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TCEQ Investigation Sec 6 pg 439-538 = . " 1 . . X I I )t..) R 1 ,a l o tutor ics, 1,1.A: OXIDOR Laboratory Review Checklist Cover Page Project Name: 940.002.004 Coppell Auto Coppell, TX OXIDOR Job Number: 1006486 W&M Environmental Group, Inc. This data package consists of: © This signature page, the laboratory review checklist, and the following reportable data: X R1 Field chain -of- custody documentation; X R2 Sample identification cross - reference; X R3 Test reports (analytical data sheets) for each environmental sample that includes: a) Items consistent with NELAC 5.13 or ISO /IEC 17025 Section 5.10 b) dilution factors, c) preparation methods, d) cleanup methods, and e) if required for the project, tentatively identified compounds (TICs); © R4 Surrogate recovery data including: a) Calculated recovery ( %R), and _ b) The laboratory's surrogate QC limits; X R5 Test reports /summary forms for blank samples; X R6 Test reports /summary forms for laboratory control samples (LCSs) including: a) LCS spiking amounts, b) Calculated %R for each analyte, and c) The laboratory's LCS QC limits; © R7 Test reports for project matrix spike /matrix spike duplicates (MS /MSDs) including: a) Samples associated with the MS /MSD clearly identified, b) MS /MSD spiking amounts, c) Concentration of each MS /MSD analyte measured in the parent and spiked samples, d) Calculated %Rs and relative percent differences (RPDs), and e) The laboratory's MS /MSD QC limits; ©R8 Laboratory analytical duplicate (if applicable) recovery and precision: a) the amount of analyte measured in the duplicate, b) the calculated RPD, and _ c) the laboratory's QC limits for analytical duplicates; X R9 List of method quantitation limits (MQLs) for each analyte for each method and matrix; X R10 Other problems or anomalies. El Exception Report for every "No" or "Not Reviewed (NR)" item in laboratory review checklist. Release Statement: I am responsible for the release of this laboratory data package. This data package has been reviewed by the laboratory and is complete and technically compliant with the requirements of the methods used, except where noted by the laboratory in the attached exception reports. By my signature below, I affirm to the best of my knowledge, all problems /anomalies, observed by the laboratory as having the potential to affect the quality of the data, have been identified by the laboratory in the Laboratory Review Checklist, and no information or data have been knowingly withheld that would affect the quality of the data. Charles Brungardt a J — President July 2, 2010 Name Signature C n Official Title Date LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 1 of 4 ; . ` ( xI1)C R Lal ?c r'ator`ies J Laboratory Review Checldist: Reportable Data 1 Laboratory Name: OXIDOR Laboratories, LLC LRC Date: July 2, 2010 Project Name: 940.002.004 Coppell Auto Laboratory Job Number: 1006486 W &M Environmental Group, Inc. Reviewer Name: James A. Narens, III QC Batch Number(s): See Cross - reference List #' A Description Yes No NA NR ER # .R1 0I Ch t i ,10 , ` Did samples meet the laboratory's standard conditions of sample acceptability upon receipt? X Were all departures from standard conditions described in an exception report? X R2 61 :j ** Y comro { identif"catitxf - - Are all field sample ID numbers cross - referenced to the laboratory ID numbers? X Are all laboratory ID numbers cross - referenced to the corresponding QC data? X R3 01 ' Tr: Were all samples prepared and analyzed within holding times? X Other than those results < MDL, were all other raw values bracketed by calibration standards? X Were calculations checked by a peer or supervisor? X Were all analyte identifications checked by a peer or supervisor? X Were sample quantitation limits reported for all analytes not detected? X Were all results for soil and sediment samples reported on a dry weight basis? X Were % moisture (or solids) reported for all soil and sediment samples? X If required for the project, TICs reported? X R4 O t eiirtat Were surrogates added prior to extraction? X Were surrogate recoveries in all samples within the laboratory QC limits? X R5 01 Test Tigitylip!tilisiiiiii4itifoliii for aamp1ss , Were appropriate type(s) of blanks analyzed? X Were blanks analyzed at the required frequency? X Were method blanks taken through the entire analytical process, including preparation and, if X applicable, cleanup procedures? Were blank concentrations < MQL? X m 01 * tltpie s (LCS); Were all COCs included in the LCS? X Was each LCS taken through the entire analytical procedure, including prep and cleanup steps? X Were LCSs analyzed at the required frequency? X Does the detectability data document the laboratory's capability to detect the COCs at the MDL used X to calculate the SQLs? Were LCS (and LCSD, if applicable) %Rs within the laboratory QC limits? X ER #1 Was the LCSD RPD within QC limits? X R7 01 Ma** apittal and ; iatrix split: duplicate (MSO) data Were the project/method specified analytes included in the MS and MSD? X Were MS /MSD analyzed at the appropriate frequency? X Were MS (and MSD, if applicable) %Rs within the laboratory QC limits? X Were MS /MSD RPDs within laboratory QC limits? X RS 01 ' Anitliitelid . "data' Were appropriate analytical duplicates analyzed for each matrix? X Were analytical duplicates analyzed at the appropriate frequency? X Were RPDs or relative standard deviations within the laboratory QC limits? X R9' 01 "- .1 Are the MQLs for each method analyte included in the laboratory data package? X Do the MQLs correspond to the concentration of the lowest non -zero calibration standard? X Are unadjusted MQLs included in the laboratory data package? X RIO 01 kprb tt an Are all known problems /anomalies /special conditions noted in this LRC and ER? X Were all necessary corrective actions performed for the reported data? X Was applicable and available technology used to lower the SQL minimize the matrix interference X affects on the sample results? 1. Items identified by the letter "R" must be included in the laboratory data package submitted in the TRRP- required report(s). Items identified by the letter "S" should be retained and made available upon request for the appropriate retention period. 2. 0 = organic analyses; 1= inorganic analyses (and general chemistry, when applicable); 3 NA = Not applicable; 4. NR = Not reviewed; 5. ER# = Exception Report identification number (an Exception Report should be completed for an item if "No" or "NR" is checked). LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 2 of 4 ,, (,.)X I I) ,")R E.4 i :bcorat 'Iries, 1 L Laboratory Review :Checklist» Suppor ng Data ;boratory Name: OXIDOR Laboratories, LLC LRC Date: July 2, 2010 Project Name: 940.002.004 Coppell Auto Laboratory Job Number: 1006486 W &M Environmental Group, Inc. Reviewer Name: James A. Narens, III QC Batch Number(s): See Cross - reference List #' A Description Yes No NA NR' ER # SI OI calibratiOtt*AL) - . , Were response factors and /or relative response factors for each analyte within QC limits? X Were percent RSDs or correlation coefficient criteria met? X Was the number of standards recommended in the method used for all analytes? X Were all points generated between the lowest and highest standard used to calculate the curve? X Are ICAL data available for all instruments used? X Has the initial calibration curve been verified using an appropriate second source standard? X S2 OI Initial and wing calibration verification (PCGVanti COM and condoning calibration ibraltion Was the CCV analyzed at the method required frequency? X Were percent differences for each analyte within the method - required QC limits? X ER #2 Was the ICAL curve verified for each analyte? X Was the absolute value of the analyte concentration in the inorganic CCB < MDL? X S3 0 Mass seed ai tuning Was the appropriate compound for the method used for tuning? X Were ion abundance data within the method - required QC limits? X Si O•.,, nt .. . Were IS area counts and retention times within the method - required QC limits? X S5 f '"1.5,,.. ; 1i'1 1,: , . �" : t '` '. ? " 7 t Q1''i tet"+.17405 4 111 , . Were the raw data (for example, chromatograms, spectral data) reviewed by an analyst? X Were data associated with manual integrations flagged on the raw data? X S6 O1` 't o tl s # . Did dual column confirmation results meet the method - required QC? X S7 01 ' ili i itid np n "I't $ If TICs were requested, were the mass spectra and TIC data subject to appropriate checks? X S8 1 04nce'Cl k tafillOo 000i Insults'- .. . Were percent recoveries within the method QC limits? X 89 1 " . < , ►'s oil Olkalfs i dadi#ii s :1 ✓ Were percent differences, recoveries, and the linearity within the QC limits specified in the method? X S1O 01 oc .:, � it moll � ;,, Was a MDL study performed for each reported analyte? X Is the MDL either adjusted or supported by the analysis of DCSs? X S11 0Ib`i00 Was the laboratory's performance acceptable on the applicable proficiency tests or evaluation studies? X 512 OT ` " f t pc fff* Are all standards used in the analysis NIST - traceable or obtained from other appropriate sources? X Are the procedures for compound /analyte identification documented? X S14 CII '.: II0'ier,ar tsIc. lte ' (. - = .. , Was DOC conducted consistent with NELAC Chapter 5C or ISO /IEC 4? X Is documentation of the analyst's competency up -to -date and on file? X 815 QT r ` t > P+ , *ta ument '! ml . S o r C 116 2$ s on A Are all methods used to generate the data documented, verified, and validated, where applicable? X S16 ; 01 , ;a6br at ari pilot ed>l. leas ( . Are laboratory SOPs current and on file for each method performed? X _ 1. Items identified by the letter "R" must be included in the laboratory data package submitted in the TRRP- required report(s). Items identified by the letter "S' should be retained and made available upon request for the appropriate retention period. 2. 0 = organic analyses; 1 = inorganic analyses (and general chemistry, when applicable); 3. NA = Not applicable; 4. NR = Not reviewed; 5. ER# = Exception Report identification number (an Exception Report should be completed for an item if "No" or "NR" is checked). LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 3 of 4 X � , -, 3 l ' l 'allot - ` t Laboratory Review Checklist: Exception Reports' I Laboratory Name: OXIDOR Laboratories, LLC LRC Date: July 2, 2010 Project Name: 940.002.004 Coppell Auto Laboratory Job Number: 1006486 W &M Environmental Group, Inc. Reviewer Name: James A. Narens, Ill QC Batch Number(s): See Cross - reference List ER #' DESC RIPTION ER #1 VOC LCS percent recovery of Dichlorodifluoromethane for QC Batch ID VOC 20110_L was slightly above Oxidor QC limits. ER #2 VOC CCV percent deviation of 2,2- Dichloropropane for QC Batch ID VOC_20110_L was slightly outside Oxidor QC limits. 1. ER# = Exception Report identification number (an Exception Report should be completed for an item if "No" or "NR" is checked on the LRC) LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 4 of 4 ,` acco y ,, Order ID: 1006486 O Laboratories LLC _ �� Date: 7/2/2010 w z , : 4,, c '' 1 �0 Page 1 of 39 ■ T104704227 -09 -TX Friday, July 02, 2010 W &M Environmental Group, Inc. Frank Clark 906 E. 18th, Suite 100 Plano, TX 75074 Tel: (214) 369 -2500 Fax: (972) 516 -4145 Re: Project Name: Coppell Auto Project Number: 940.002.004 Project Location: Coppell, TX Oxidor received 6 liquid sample(s). The analysis performed were as follows: Sample Sample ID Matrix Collected Analysis 1006486 -001 MW -04 Liquid 6/25/2010 08:56 Total Petroleum Hydrocarbons, Volatile Organic Compounds 1006486 -002 MW -05 Liquid 6/25/2010 09:40 Total Petroleum Hydrocarbons, Volatile Organic Compounds 1006486 -003 MW -02 Liquid 6/25/2010 10:24 Total Petroleum Hydrocarbons, Volatile Organic Compounds 1006486 -004 MW -03 Liquid 6/25/2010 11:20 Total Petroleum Hydrocarbons, Volatile Organic Compounds 1006486 -005 MW -01 Liquid 6/25/2010 12:20 Total Petroleum Hydrocarbons, Volatile Organic Compounds 1006486 -006 Dup 1 Liquid 6/25/2010 Total Petroleum Hydrocarbons, Volatile Organic Compounds Respectfully submitted, ) 1 / /2 z___.. " _ Charles Brungardt President C, n www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 A( G C. .��'"� Order ID: 1006486 E EZ OxIDOR Laboratories, LLC "' Date: 7/2 /2010 -,,_ Page2of39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -04 Oxidor Sample ID: 1006486 -001 Matrix: Liquid Sample Received: 6/25/2010 Sample Collected: 6/25/2010 08:56 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,1,1 - Trichloroethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,1,2,2 - Tetrachloroethane 4 4.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,1,2 - Trichloroethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,1- Dichloroethane 5 5.0 ND pg /L 06/28/10 15:07 82608 V.D.L. 1,1- Dichloroethene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,1- Dichloropropene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,2,3 - Trichlorobenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,2,3 - Trichloropropane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,2,4 - Trichlorobenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,2,4 - Trimethylbenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,2- Dibromo -3- 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. chloropropane 1,2- Dibromoethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,2- Dichlorobenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,2- Dichloroethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,2- Dichloropropane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,3,5 - Trimethylbenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,3- Dichlorobenzene 5 5.0 ND pg /L 06/28/10 15:07 82608 V.D.L. 1,3- Dichloropropane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 1,4- Dichlorobenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 2,2- Dichloropropane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 2- Butanone 10 10.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 2- Chlorotoluene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 2- Hexanone 10 10.0 ND pg /L 06/28/10 15:07 82608 V.D.L. 4- Chlorotoluene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. 4- Methyl- 2- pentanone 10 10.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Acetonitrile 50 50.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Acrylonitrile 10 10.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Benzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Bromobenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Bromochloromethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Bromodichloromethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Bromoform 5 5.0 ND pg /L 06/28/10 15:07 82608 V.D.L. Bromomethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Carbon Tetrachloride 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Chlorobenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Chloroethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Chloroform 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Chloromethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Cis -1,2- dichloroethene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 `�`" ACCO39 Order ID: 1006486 4 OXIDOR Laboratories LLC "" „� Date: 7 /2/2010 - ,.,,.;. `a'" m + Page 3 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -04 Oxidor Sample ID: 1006486 -001 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Dibromochloromethane 5 5.0 ND pg /L 06/28/10 15:07 82608 V.D.L. Dibromomethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Dichlorodifluoromethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Ethylbenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Hexachlorobutadiene 4 4.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Isopropylbenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. m,p- Xylene 10 10.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Methylene Chloride 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. MTBE 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. N- butylbenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. N- propylbenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Naphthalene 10 10.0 ND pg /L 06/28/10 15:07 8260B V.D.L. o- Xylene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. p- Isopropyltoluene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Sec - butylbenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Styrene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Tert- butylbenzene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Tetrachloroethene 5 5.0 ND .g /L 06/28/10 15:07 8260B V.D.L. Toluene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Trans -1,2- dichloroethene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Trans -1,3- dichloropropene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Trichloroethene 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Trichlorofluoromethane 5 5.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Vinyl Chloride 2 2.0 ND pg /L 06/28/10 15:07 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Dibromofuoromethane 51.9 pg /L 50 pg /L 104% 86 -118% 1,2 Dichloroethane -d4 52.9 pg /L 50 pg /L 106% 80 -120% Toluene -d8 52.0 pg /L 50 pg /L 104% 88 -117% 4- Bromofluorobenzene 52.5 pg /L 50 pg /L 105% 86 -115% Total Petroleum Hydrocarbons Prepared by method TX 1005 on 06/28/10 at 10 30 TPH (C 6 to C12) 5 5.00 ND mg /L 06/29/10 01:46 TX 1005 T.N. TPH (C12 to C28) 5 5.00 ND mg /L 06/29/10 01:46 TX 1005 T.N. TPH (C28 to C35) 5 5.00 ND mg /L 06/29/10 01:46 TX 1005 T.N. TPH (C6 to C35) 5 5.00 ND mg /L 06/29/10 01:46 TX 1005 T.N. trrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 46.7 mg /L 50 mg /L 93% 70 -130% o- Terphenyl 44.6 mg /L 50 mg /L 89% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 - 6422 • Fax: (972) 424 - 6508 AC(U. &" � ,�, ° ��. Order ID: 1006486 3i QXIDOR Laboratories LLC ; . Date: 7/2/2010 Page 4 of 39 , A" ° ' T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -05 Oxidor Sample ID: 1006486 -002 Matrix: Liquid Sample Received: 6/25/2010 Sample Collected: 6/25/2010 09:40 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,1,1 - Trichloroethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,1,2,2 - Tetrachloroethane 4 4.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,1,2 - Trichloroethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,1- Dichloroethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,1- Dichloroethene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,1- Dichloropropene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,2,3 - Trichlorobenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,2,3 - Trichloropropane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,2,4 - Trichlorobenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,2,4 - Trimethylbenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,2- Dibromo -3- 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. chloropropane 1,2- Dibromoethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,2- Dichlorobenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,2- Dichloroethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,2- Dichloropropane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,3,5 - Trimethylbenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,3- Dichlorobenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,3- Dichloropropane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 1,4- Dichlorobenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 2,2- Dichloropropane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 2- Butanone 10 10.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 2- Chlorotoluene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 2- Hexanone 10 10.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 4- Chlorotoluene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. 4- Methyl- 2- pentanone 10 10.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Acetonitrile 50 50.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Acrylonitrile 10 10.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Benzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Bromobenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Bromochloromethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Bromodichloromethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Bromoform 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Bromomethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Carbon Tetrachloride 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Chlorobenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Chloroethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Chloroform 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Chloromethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Cis -1,2- dichloroethene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 y k A C C O ,,,, :r, i'# ., y n . . ... :< , � Order ID: 1006486 OXIDoR Laboratories LLC ,° - -, Date: 7/2/2010 ° �� ' , - Page 5 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -05 Oxidor Sample ID: 1006486 -002 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Dibromochloromethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Dibromomethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Dichlorodifluoromethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Ethylbenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Hexachlorobutadiene 4 4.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Isopropylbenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. m,p- Xylene 10 10.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Methylene Chloride 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. MTBE 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. N- butylbenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. N- propylbenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Naphthalene 10 10.0 ND pg /L 06/28/10 15:35 8260B V.D.L. o- Xylene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. p- Isopropyltoluene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Sec - butylbenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Styrene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Tert- butylbenzene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Tetrachloroethene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Toluene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Trans -1,2- dichloroethene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Trans -1,3- dichloropropene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Trichloroethene 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Trichlorofluoromethane 5 5.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Vinyl Chloride 2 2.0 ND pg /L 06/28/10 15:35 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Dibromofluoromethane 52.4 Ng /L 50 pg /L 105% 86 -118% 1,2 Dichloroethane -d4 53.8 pg /L 50 pg /L 108% 80 -120% Toluene -d8 52.6 pg /L 50 pg /L 105% 88 -117% 4- Bromofluorobenzene 51.6 pg /L 50 pg /L 103% 86 -115% Total Petroleum Hydrocarbons Prepared by method TX 1005 on 06/28/10 at 10:30 TPH (C 6 to C12) 5 5.00 ND mg /L 06/29/10 02:29 TX 1005 T.N. TPH (C12 to C28) 5 5.00 ND mg /L 06/29/10 02:29 TX 1005 T.N. TPH (C28 to C35) 5 5.00 ND mg /L 06/29/10 02:29 TX 1005 T.N. TPH (C6 to C35) 5 5.00 ND mg /L 06/29/10 02:29 TX 1005 T.N. irrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 44.4 mg /L 50 mg /L 89% 70 -130% o- Terphenyl 42.4 mg /L 50 mg /L 85% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ��, Ac C09�, r ' � � Order ID: 1006486 Pao Date: 7/2/2010 OYIDOR Laboratories LLC A .� . "' v 10� a s Page 6of39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -02 Oxidor Sample ID: 1006486 -003 Matrix: Liquid Sample Received: 6/25/2010 Sample Collected: 6/25/2010 10:24 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,1,1 - Trichloroethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,1,2,2 - Tetrachloroethane 4 4.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,1,2 - Trichloroethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,1- Dichloroethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,1- Dichloroethene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,1- Dichloropropene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,2,3 - Trichlorobenzene 5 5.0 ND pg /L 06/28/10 16:03 82608 V.D.L. 1,2,3 - Trichloropropane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,2,4 - Trichlorobenzene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,2,4 - Trimethylbenzene 5 5.0 138 pg /L 06/28/10 16:03 8260B V.D.L. 1,2- Dibromo -3- 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. chloropropane 1,2- Dibromoethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,2- Dichlorobenzene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,2- Dichloroethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,2- Dichloropropane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,3,5- Trimethylbenzene 5 5.0 33.2 pg /L 06/28/10 16:03 8260B V.D.L. 1,3- Dichlorobenzene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,3- Dichloropropane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 1,4- Dichlorobenzene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 2,2- Dichloropropane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 2- Butanone 10 10.0 ND pg /L 06/28/10 16:03 82608 V.D.L. 2- Chlorotoluene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 2- Hexanone 10 10.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 4- Chlorotoluene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. 4- Methyl -2- pentanone 10 10.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Acetonitrile 50 50.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Acrylonitrile 10 10.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Benzene 5 5.0 41.4 pg /L 06/28/10 16:03 8260B V.D.L. Bromobenzene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Bromochloromethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Bromodichloromethane 5 5.0 ND pg /L 06/28/10 16:03 82608 V.D.L. Bromoform 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Bromomethane 5 5.0 ND pg /L 06/28/10 16:03 82608 V.D.L. Carbon Tetrachloride 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Chlorobenzene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Chloroethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Chloroform 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Chloromethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Cis -1,2- dichloroethene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 x ACC �, 9` .,..i,..;‘.40-4,„,,, , Asa 44 Order ID: 1006486 ° " Date: 7/2/2010 OXIDOR Laboratories, LU: .� gam,. g 0 1 : Page 7 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -02 Oxidor Sample ID: 1006486 -003 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Dibromochloromethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Dibromomethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Dichlorodifluoromethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Ethylbenzene 5 50.0 391 pg /L 06/29/10 18:38 8260B V.D.L. D -1 Hexachlorobutadiene 4 4.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Isopropylbenzene 5 5.0 36.7 pg /L 06/28/10 16:03 8260B V.D.L. m,p- Xylene 10 10.0 169 pg /L 06/28/10 16:03 8260B V.D.L. Methylene Chloride 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. MTBE 5 5.0 12.3 pg /L 06/28/10 16:03 8260B V.D.L. N- butylbenzene 5 5.0 38.9 pg /L 06/28/10 16:03 8260B V.D.L. N- propylbenzene 5 5.0 150 pg /L 06/28/10 16:03 8260B V.D.L. Naphthalene 10 100 347 pg /L 06/29/10 18:38 8260B V.D.L. D -1 o- Xylene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. p- Isopropyltoluene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Sec - butylbenzene 5 5.0 21.7 pg /L 06/28/10 16:03 8260B V.D.L. Styrene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Tert- butylbenzene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Tetrachloroethene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Toluene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Trans -1,2- dichloroethene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Trans -1,3- dichloropropene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Trichloroethene 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Trichlorofluoromethane 5 5.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Vinyl Chloride 2 2.0 ND pg /L 06/28/10 16:03 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Date Analyzed: 06/28/10 16:03 Analyst: V.D.L. Dibromofluoromethane 50.6 pg /L 50 pg /L 101% 86 -118% 1,2 Dichloroethane -d4 52.9 pg /L 50 pg /L 106% 80 -120% Toluene -d8 51.5 pg /L 50 pg /L 103% 88 -117% 4- Bromofluorobenzene 51.4 pg /L 50 pg /L 103% 86 -115% Date Analyzed: 06/29/10 18:38 Analyst: V.D.L. Dibromofluoromethane 50.8 pg /L 50 pg /L 102% 86 -118% 1,2 Dichloroethane -d4 51.7 pg /L 50 pg /L 103% 80 -120% Toluene -d8 52.9 pg /L 50 pg /L 106% 88 -117% 4- Bromofluorobenzene 52.0 pg /L 50 pg /L 104% 86 -115% )tal Petroleum Hydrocarbons Prepared by method TX 1005 on 06/28/10 at 10 30 TPH (C 6 to C12) 5 5.00 ND mg /L 06/29/10 03:12 TX 1005 T.N. TPH (C12 to C28) 5 5.00 ND mg /L 06/29/10 03:12 TX 1005 T.N. TPH (C28 to C35) 5 5.00 ND mg /L 06/29/10 03:12 TX 1005 T.N. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 aG0u4. r'= `44 Order ID: 1006486 --•. OxIDoR Laboratories, LLC. - �'° Date: 7/2/2010 k 7 7 AO i ilt, 4 '°"q s Page 8 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -02 Oxidor Sample ID: 1006486 -003 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Total Petroleum Hydrocarbons TPH (C6 to C35) 5 5.00 ND mg /L 06/29/10 03:12 TX 1005 T.N. Surrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 45.7 mg /L 50mg /L 91% 70- 130% o- Terphenyl 43.6 mg /L 50 mg /L 87% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 y 4cco, ''', � /4 Order ID: 1006486 OXIhoR Laboratories LLC �� _ Date: 7 /2/2010 Page 9 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -03 Oxidor Sample ID: 1006486 -004 Matrix: Liquid Sample Received: 6/25/2010 Sample Collected: 6/25/2010 11:20 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,1,1 - Trichloroethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,1,2,2 - Tetrachloroethane 4 40.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,1,2 - Trichloroethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,1- Dichloroethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,1- Dichloroethene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,1- Dichloropropene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,2,3 - Trichlorobenzene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,2,3 - Trichloropropane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,2,4 - Trichlorobenzene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,2,4 - Trimethylbenzene 5 50.0 1680 pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,2- Dibromo -3- 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 chloropropane 1,2- Dibromoethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,2- Dichlorobenzene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,2- Dichloroethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,2- Dichloropropane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,3,5 - Trimethylbenzene 5 50.0 500 pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,3- Dichlorobenzene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,3- Dichloropropane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 1,4- Dichlorobenzene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 2,2- Dichloropropane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 2- Butanone 10 100 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 2- Chlorotoluene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 2- Hexanone 10 100 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 4- Chlorotoluene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 4- Methyl -2- pentanone 10 100 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Acetonitrile 50 500 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Acrylonitrile 10 100 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Benzene 5 50.0 1660 pg /L 06/28/10 13:44 8260B V.D.L. D -1 Bromobenzene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Bromochloromethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Bromodichloromethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Bromoform 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Bromomethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Carbon Tetrachloride 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 �hlorobenzene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Chloroethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Chloroform 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Chloromethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Cis -1,2- dichloroethene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Tb*::osi,v ✓. ,h ACCU q Order ID: 1006486 t . OxIDoR Laboratories LLC ..� ` ` ` Date: 7/2/2010 Page 10 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -03 Oxidor Sample ID: 1006486 -004 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Dibromochloromethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Dibromomethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Dichlorodifluoromethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Ethylbenzene 5 50.0 1710 pg /L 06/28/10 13:44 8260B V.D.L. D -1 Hexachlorobutadiene 4 40.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Isopropylbenzene 5 50.0 122 pg /L 06/28/10 13:44 8260B V.D.L. D -1 m,p- Xylene 10 100 2850 pg /L 06/28/10 13:44 8260B V.D.L. D-1 Methylene Chloride 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 MTBE 5 50.0 505 pg /L 06/28/10 13:44 8260B V.D.L. D -1 N- butylbenzene 5 50.0 103 pg /L 06/28/10 13:44 8260B V.D.L. D -1 N- propylbenzene 5 50.0 462 pg /L 06/28/10 13:44 8260B V.D.L. D -1 Naphthalene 10 100 930 pg /L 06/28/10 13:44 8260B V.D.L. D -1 o- Xylene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 p- Isopropyltoluene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Sec - butylbenzene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Styrene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Tert- butylbenzene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Tetrachloroethene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Toluene 5 50.0 59.4 pg /L 06/28/10 13:44 8260B V.D.L. D -1 Trans -1,2- dichloroethene 5 50.0 ND pg /L 06/28/10 13:44 82608 V.D.L. D -1 Trans -1,3- dichloropropene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Trichloroethene 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Trichlorofluoromethane 5 50.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Vinyl Chloride 2 20.0 ND pg /L 06/28/10 13:44 8260B V.D.L. D -1 Surrogate Result Units Spike Conc Recovery Rec Limits Dibromofluoromethane 51.9 pg /L 50 pg /L 104% 86 -118% 1,2 Dichloroethane -d4 54.2 pg /L 50 pg /L 108% 80 -120% Toluene -d8 52.2 pg /L 50 pg /L 104% 88 -1 17% 4- Bromofluorobenzene 51.0 pg /L 50 pg /L 102% 86 -115% Total Petroleum Hydrocarbons Prepared by method TX 1005 on 06/28/10 at 10:30 TPH (C 6 to C12) 5 5.00 15.8 mg /L 06/29/10 03:55 TX 1005 T.N. TPH (C12 to C28) 5 5.00 ND mg /L 06/29/10 03:55 TX 1005 T.N. TPH (C28 to C35) 5 5.00 ND mg /L 06/29/10 03:55 TX 1005 T.N. TPH (C6 to C35) 5 5.00 15.8 mg /L 06/29/10 03:55 TX 1005 T.N. Surrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 45.4 mg /L 50 mg /L 91% 70 -130% o- Terphenyl 40.4 mg /L 50 mg /L 81% 70 - 130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 AccO (��s T °s Order ID: 1006486 OXIDoR Labo atories LLC, ,. ' , Date: 7/2/2010 • • o, ` Page 11 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -01 Oxidor Sample ID: 1006486 -005 Matrix: Liquid Sample Received: 6/25/2010 Sample Collected: 6/25/2010 12:20 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,1,1 - Trichloroethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,1,2,2 - Tetrachloroethane 4 4.0 ND pg /L 06/28/10 17:00 82606 V.D.L. 1,1,2 - Trichloroethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,1- Dichloroethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,1- Dichloroethene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,1- Dichloropropene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,2,3 - Trichlorobenzene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,2,3 - Trichloropropane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,2,4 - Trichlorobenzene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,2,4 - Trimethylbenzene 5 50.0 1810 pg /L 06/29/10 19:06 8260B V.D.L. D -1 1,2- Dibromo -3- 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. chloropropane 1,2- Dibromoethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,2- Dichlorobenzene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,2- Dichloroethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,2- Dichloropropane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,3,5 - Trimethylbenzene 5 50.0 573 pg /L 06/29/10 19:06 8260B V.D.L. D -1 1,3- Dichlorobenzene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,3- Dichloropropane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 1,4- Dichlorobenzene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 2,2- Dichloropropane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 2- Butanone 10 10.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 2- Chlorotoluene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 2- Hexanone 10 10.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 4- Chlorotoluene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. 4- Methyl -2- pentanone 10 10.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Acetonitrile 50 50.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Acrylonitrile 10 10.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Benzene 5 5.0 5.5 pg /L 06/28/10 17:00 8260B V.D.L. Bromobenzene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Bromochloromethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Bromodichloromethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Bromoform 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Bromomethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Carbon Tetrachloride 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. .:;hlorobenzene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Chloroethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Chloroform 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Chloromethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Cis- 1,2- dichloroethene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 acc _ w'r TT ``' . �'''', Order ID: 1006486 �. J 1 11 R Laboratories ies, LLC � � . „ � Date. 7 /2/2010 i Page 12 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -01 Oxidor Sample ID: 1006486 -005 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Dibromochloromethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Dibromomethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Dichlorodifluoromethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Ethylbenzene 5 50.0 1010 pg /L 06/29/10 19:06 8260B V.D.L. D -1 Hexachlorobutadiene 4 4.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Isopropylbenzene 5 5.0 70.0 pg /L 06/28/10 17:00 8260B V.D.L. m,p- Xylene 10 100 1730 pg /L 06/29/10 19:06 8260B V.D.L. D -1 Methylene Chloride 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. MTBE 5 5.0 23.4 pg /L 06/28/10 17:00 8260B V.D.L. N- butylbenzene 5 5.0 77.2 pg /L 06/28/10 17:00 8260B V.D.L. N- propylbenzene 5 5.0 189 NgIL 06/28/10 17:00 8260B V.D.L. Naphthalene 10 100 677 pg /L 06/29/10 19:06 8260B V.D.L. D -1 o- Xylene 5 5.0 35.6 pg /L 06/28/10 17:00 8260B V.D.L. p- Isopropyltoluene 5 5.0 7.6 NgIL 06/28/10 17:00 8260B V.D.L. Sec - butylbenzene 5 5.0 15.2 pg /L 06/28/10 17:00 8260B V.D.L. Styrene 5 5.0 ND .g /L 06/28/10 17:00 8260B V.D.L. Tert- butylbenzene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Tetrachloroethene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Toluene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Trans -1,2- dichloroethene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Trans -1,3- dichloropropene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Trichloroethene 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Trichlorofluoromethane 5 5.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Vinyl Chloride 2 2.0 ND pg /L 06/28/10 17:00 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Date Analyzed: 06/28/10 17:00 Analyst: V.D.L. Dibromofluoromethane 51.4 pg /L 50 pg /L 103% 86 -118% 1,2 Dichloroethane -d4 51.5 pg /L 50 pg /L 103% 80 -120% Toluene -d8 52.3 pg /L 50 pg /L 105% 88 -117% 4- Bromofluorobenzene 51.8 pg /L 50 pg /L 104% 86 -115% Date Analyzed: 06/29/10 19:06 Analyst: V.D.L. Dibromofluoromethane 51.1 pg /L 50 pg /L 102% 86 -118% 1,2 Dichloroethane -d4 53.2 pg /L 50 pg /L 106% 80 -120% Toluene -d8 53.1 pg /L 50 pg /L 106% 88 -117% 4- Bromofluorobenzene 51.5 pg /L 50 pg /L 103% 86 -115% Total Petroleum Hydrocarbons Prepared by method TX 1005 on 06/28/10 at 10 30 TPH (C 6 to C12) 5 5.00 12.4 mg /L 06/29/10 04:38 TX 1005 T.N. TPH (C12 to C28) 5 5.00 ND mg /L 06/29/10 04:38 TX 1005 T.N. TPH (C28 to C35) 5 5.00 ND mg /L 06/29/10 04:38 TX 1005 T.N. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 .. Ace w , , �.� Order ID: 1006486 OXI DoR Laboratories, LLC , � ,� T Date: 7 /2/2010 q' �` Page 13 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -01 Oxidor Sample ID: 1006486 -005 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Total Petroleum Hydrocarbons TPH (C6 to C35) 5 5.00 13.8 mg /L 06/29/10 04:38 TX 1005 T.N. Surrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 47.4 mg /L 50 mg /L 95% 70 -130% o- Terphenyl 41.9 mg /L 50 mg /L 84% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ` t* A cco i,, � �� Order ID: 1006486 4 QXIDOR Laboratories LLC ° c . Date: 7/2/2010 4p Page 14 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: Dup 1 Oxidor Sample ID: 1006486 -006 Matrix: Liquid Sample Received: 6/25/2010 Sample Collected: 6/25/2010 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,1,1 - Trichloroethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,1,2,2 - Tetrachloroethane 4 40.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,1,2 - Trichloroethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,1- Dichloroethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,1- Dichloroethene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,1- Dichloropropene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,2,3 - Trichlorobenzene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,2,3 - Trichloropropane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,2,4 - Trichlorobenzene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,2,4 - Trimethylbenzene 5 50.0 1700 NgIL 06/28/10 14:12 8260B V.D.L. D -1 1,2- Dibromo -3- 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 chloropropane 1,2- Dibromoethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,2- Dichlorobenzene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,2- Dichloroethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,2- Dichloropropane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,3,5 - Trimethylbenzene 5 50.0 508 pg/L 06/28/10 14:12 8260B V.D.L. D -1 1,3- Dichlorobenzene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,3- Dichloropropane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 1,4- Dichlorobenzene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 2,2- Dichloropropane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 2- Butanone 10 100 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 2- Chlorotoluene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 2- Hexanone 10 100 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 4- Chlorotoluene 5 50.0 ND pg /L 06/28/10 14:12 82608 V.D.L. D -1 4- Methyl -2- pentanone 10 100 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Acetonitrile 50 500 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Acrylonitrile 10 100 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Benzene 5 50.0 1730 pg /L 06/28/10 14:12 8260B V.D.L. D -1 Bromobenzene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Bromochloromethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Bromodichloromethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Bromofomi 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Bromomethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Carbon Tetrachloride 5 50.0 ND pg /L 06/28/10 14:12 82608 V.D.L. D -1 Chlorobenzene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Chloroethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Chloroform 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Chloromethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Cis -1,2- dichloroethene 5 50.0 ND pg /L 06/28/10 14:12 82608 V.D.L. D -1 www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 .� xr" � ,!. 4CCp, w ; 14 Order ID: 1006486 . ..� OXIDOR Laboratories, LLC , - .4 e` / 7 Mk Date: 7 /2/2010 Page 15 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: Dup 1 Oxidor Sample ID: 1006486 -006 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Dibromochloromethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Dibromomethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Dichlorodifluoromethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Ethylbenzene 5 50.0 1740 pg /L 06/28/10 14:12 8260B V.D.L. D -1 Hexachlorobutadiene 4 40.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Isopropylbenzene 5 50.0 123 pg /L 06/28/10 14:12 8260B V.D.L. D -1 m,p- Xylene 10 100 2930 pg /L 06/28/10 14:12 8260B V.D.L. D -1 Methylene Chloride 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 MTBE 5 50.0 540 pg /L 06/28/10 14:12 8260B V.D.L. D -1 N- butylbenzene 5 50.0 107 pg /L 06/28/10 14:12 8260B V.D.L. D -1 N- propylbenzene 5 50.0 472 pg /L 06/28/10 14:12 8260B V.D.L. D -1 Naphthalene 10 100 1040 pg /L 06/28/10 14:12 8260B V.D.L. D -1 o- Xylene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 p- Isopropyltoluene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Sec - butylbenzene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Styrene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Tert - butylbenzene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Tetrachloroethene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Toluene 5 50.0 60.9 pg /L 06/28/10 14:12 8260B V.D.L. D -1 Trans -1,2- dichloroethene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Trans -1,3- dichloropropene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Trichloroethene 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Trichlorofluoromethane 5 50.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Vinyl Chloride 2 20.0 ND pg /L 06/28/10 14:12 8260B V.D.L. D -1 Surrogate Result Units Spike Conc Recovery Rec Limits Dibromofluoromethane 51.7 pg /L 50 pg /L 103% 86 -118% 1,2 Dichloroethane -d4 53.4 pg /L 50 pg /L 107% 80 -120% Toluene -d8 52.6 pg /L 50 pg /L 105% 88 -117% 4- Bromofluorobenzene 51.3 pg /L 50 pg /L 103% 86 -115% Total Petroleum Hydrocarbons Prepared by method 7X 1005 on 06/28/10 at 10 30 TPH (C 6 to C12) 5 5.00 16.0 mg /L 06/29/10 05:21 TX 1005 T.N. TPH (C12 to C28) 5 5.00 ND mg /L 06/29/10 05:21 TX 1005 T.N. TPH (C28 to C35) 5 5.00 ND mg /L 06/29/10 05:21 TX 1005 T.N. TPH (C6 to C35) 5 5.00 16.0 mg /L 06/29/10 05:21 TX 1005 T.N. irrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 44.4 mg /L 50 mg /L 89% 70- 130% o- Terphenyl 39.8 mg /L 50 mg /L 80% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 �} 1 y, Acc.0, Order ID: 1006486 OXIDoR Laboratories LLC. ; ' s � Date: 7/2/2010 *,,,. q '� Page 16 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Sample Cross Reference Project Name: Coppell Auto Customer ID: Lab ID: Test Method QCBatchID: MW-04 1006486 -001 Total Petroleum Hydrocarbons TX 1005 1005_01323AL Volatile Organic Compounds 8260B VOC_20110_L MW -05 1006486 -002 Total Petroleum Hydrocarbons TX 1005 1005_01323AL Volatile Organic Compounds 8260B VOC_20110_L MW -02 1006486 -003 Total Petroleum Hydrocarbons TX 1005 1005_01323AL Volatile Organic Compounds 8260B VOC_20110_L Volatile Organic Compounds 8260B VOC 20310 L MW -03 1006486 -004 Total Petroleum Hydrocarbons TX 1005 1005_01323AL Volatile Organic Compounds 8260B VOC 20110 L MW -01 1006486 -005 Total Petroleum Hydrocarbons TX 1005 1005_01323AL Volatile Organic Compounds 8260B VOC_20110_L Volatile Organic Compounds 8260B VOC_20310_L Dup 1 1006486 -006 Total Petroleum Hydrocarbons TX 1005 1005 01323AL Volatile Organic Compounds 8260B VOC 20110 L www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ,, ACCOF,,s l T ,'', "- , , '4 Order ID: 1006486 � IPO�' Ldborato ies LL ' . Date: 7/2/2010 t , Page 17 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD 1005_01323AL Blank TPH (C 6 to C12) ND mg /L TPH (C12 to C28) ND mg /L TPH (C28 to C35) ND mg /L TPH (C6 to C35) ND mg /L Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 39.0 mg /L 50 mg /L 78% 70 -130% o- Terphenyl 37.5 mg /L 50 mg /L 75% 70 -130% LCS TPH (C6 to C35) 7.35 mg /L 9.35 mg /L 79% 75- 125% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 43.3 mg /L 50 mg /L 87% 70 -130% o- Terphenyl 41.0 mg /L 50 mg /L 82% 70 -130% LCSD TPH (C6 to C35) 7.53 mg /L 9.61 mg /L 78% 75 -125% 0.3% 0 -20% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 42.1 mg /L 50 mg /L 84% 70 -130% o- Terphenyl 39.9 mg /L 50 mg /L 80% 70 -130% MS TPH (C6 to C35) 8.00 mg /L ND 9.33 mg /L 86% 75 -125% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 44.5 mg /L 50 mg /L 89% 70 -130% o- Terphenyl 41.6 mg /L 50 mg /L 83% 70 -130% MSD TPH (C6 to C35) 8.31 mg /L ND 9.36 mg /L 89% 75 -125% 3.5% 0 -20% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 46.4 mg /L 50 mg /L 93% 70 -130% o- Terphenyl 43.6 mg /L 50 mg /L 87% 70 -130% QCBatchlD VOC Blank Dichlorodifluoromethane ND pg /L Chloromethane ND pg /L Vinyl Chloride ND pg /L Bromomethane ND pg /L Chloroethane ND pg /L Trichlorofluoromethane ND pg /L 1,1- Dichloroethene ND pg /L Acetonitrile ND pg /L Methylene Chloride ND pg /L Acrylonitrile ND pg /L MTBE ND pg /L Trans -1,2- dichloroethene ND pg /L 1,1- Dichloroethane ND pg /L 2- Butanone ND pg /L 2,2- Dichloropropane ND pg /L Cis -1,2- dichloroethene ND pg /L Bromochloromethane ND pg /L Chloroform ND pg /L www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 •C=,‘0, :44; Order ID: 1006486 OXIDOR Laboratories LLC N Date: 7/2/2010 _ 4 Page 18 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 20110_L 1,1,1 - Trichloroethane ND pg /L 1,1- Dichloropropene ND pg /L Carbon Tetrachloride ND pg /L Benzene ND pg /L 1,2- Dichloroethane ND pg /L Trichloroethene ND pg /L 1,2- Dichloropropane ND pg /L Dibromomethane ND pg /L Bromodichloromethane ND pg /L Cis -1,3- dichloropropene ND pg /L 4- Methyl -2- pentanone ND pg /L Toluene ND pg /L Trans- 1,3- dichloropropene ND pg /L 1,1,2 - Trichloroethane ND pg /L 2- Hexanone ND pg /L 1,3- Dichloropropane ND pg /L Tetrachloroethene ND pg /L Dibromochloromethane ND pg /L 1,2- Dibromoethane ND pg /L Chlorobenzene ND pg /L Ethylbenzene ND pg /L 1,1,1,2 - Tetrachloroethane ND pg /L m,p- Xylene ND pg /L o- Xylene ND pg /L Styrene ND pg /L Bromoform ND pg /L Isopropylbenzene ND pg /L 1,1,2,2 - Tetrachloroethane ND pg /L 1,2,3 - Trichloropropane ND pg /L Bromobenzene ND pg /L N- propylbenzene ND pg /L 2- Chlorotoluene ND pg /L 4- Chlorotoluene ND pg /L 1,3,5 - Trimethylbenzene ND pg /L Tert- butylbenzene ND pg /L 1,2,4 - Trimethylbenzene ND pg /L Sec - butylbenzene ND pg /L p- Isopropyltoluene ND pg /L 1,3- Dichlorobenzene ND pg /L 1,4- Dichlorobenzene ND pg /L N- butylbenzene ND pg /L 1,2- Dichlorobenzene ND pg /L 1,2- Dibromo -3- ND pg /L chloropropane www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 '. AC4U dia 4, OXIDOR ' y nn Laboratories T T k s g °s� Order ID: 1006486 O XIDOR LLC. ` " 0 Date: 7/2/2010 •4 Page 19 of 39 T10474227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 20110_L 1,2,4 - Trichlorobenzene ND pg /L Hexachlorobutadiene ND pg /L Naphthalene ND pg /L 1,2,3- Trichlorobenzene ND pg /L Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 51.4 pg /L 50 pg /L 103% 86 -118% 1,2 Dichloroethane -d4 51.9 pg /L 50 pg /L 104% 80- 120% Toluene -d8 51.4 pg /L 50 pg /L 103% 88 -117% 4- Bromofluorobenzene 51.5 pg /L 50 pg /L 103% 86 -115% LCS Dichlorodifluoromethane 65.3 pg /L 50 pg /L 131% 70 -130% Q -7 Chloromethane 55.8 pg /L 50 pg /L 112% 70 -130% Vinyl Chloride 55.2 pg /L 50 pg /L 110% 70 -130% Bromomethane 53.1 pg /L 50 pg /L 106% 60 -140% Chloroethane 53.8 pg /L 50 pg /L 108% 70 -130% Trichlorofluoromethane 53.0 pg /L 50 pg /L 106% 70 -130% 1,1- Dichloroethene 57.7 pg /L 50 pg /L 115% 70 -130% Acetonitrile 47.7 pg /L 50 pg /L 95% 60 -140% Methylene Chloride 58.2 pg /L 50 pg /L 116% 70 -130% Acrylonitrile 50.2 pg /L 50 pg /L 100% 60- 140% Trans -1,2- dichloroethene 53.0 pg /L 50 pg /L 106% 70 -130% MTBE 49.8 pg /L 50 pg /L 100% 70 -130% 1,1- Dichloroethane 55.2 pg /L 50 pg /L 110% 70 -130% 2,2- Dichloropropane 64.1 pg /L 50 pg /L 128% 70 -130% Cis -1,2- dichloroethene 56.8 pg /L 50 pg /L 114% 70 -130% 2- Butanone 53.2 pg /L 50 pg /L 106% 60 -140% Bromochloromethane 59.7 pg /L 50 pg /L 119% 70 -130% Chloroform 52.0 pg /L 50 pg /L 104% 70 -130% 1,1,1 - Trichloroethane 58.0 pg /L 50 ug /L 116% 70 -130% 1,1- Dichloropropene 52.7 pg /L 50 pg /L 105% 40 -160% Carbon Tetrachloride 56.9 pg /L 50 pg /L 114% 70 -130% Benzene 53.3 pg /L 50 pg /L 107% 70 -130% 1,2- Dichloroethane 53.8 pg /L 50 pg /L 108% 70 -130% Trichloroethene 53.8 pg /L 50 pg /L 108% 70 -130% 1,2- Dichloropropane 55.1 pg /L 50 pg /L 110% 70 -130% Dibromomethane 58.9 pg /L 50 pg /L 118% 70 -130% Bromodichloromethane 56.8 pg /L 50 pg /L 114% 70 -130% Cis -1,3- dichloropropene 57.8 pg /L 50 pg /L 116% 70 -130% 4- Methyl -2- pentanone 52.3 pg /L 50 pg /L 105% 60 -140% Toluene 53.4 pg /L 50 . g/L 107% 70 -130% Trans- 1,3- dichloropropene 62.6 pg /L 50 pg /L 125% 70 -130% 1,1,2 - Trichloroethane 56.1 pg /L 50 pg /L 112% 70 -130% 1,3- Dichloropropane 54.0 pg /L 50 pg /L 108% 70- 130% Tetrachloroethene 57.5 pg /L 50 pg /L 115% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 `, kC GJ . 4:1' , �`' °, Order ID: 1006486 �� 4 ' � Date: 7/2/2010 OX IDOR Laborat LLC. .. �Ty ? - Page 20 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 20110_L 2- Hexanone 53.2 pg /L 50 pg /L 106% 60 -140% Dibromochloromethane 56.6 pg /L 50 pg /L 113% 70 -130% 1,2- Dibromoethane 56.5 pg /L 50 pg /L 113% 70 -130% Chlorobenzene 52.7 pg /L 50 pg /L 105% 70 -130% 1,1,1,2 - Tetrachloroethane 54.8 pg /L 50 pg /L 110% 70 -130% Ethylbenzene 51.6 pg /L 50 pg /L 103% 70 -130% m,p- Xylene 104 pg /L 100 pg /L 104% 70 -130% o- Xylene 52.3 pg /L 50 pg /L 105% 70- 130% Styrene 53.8 pg /L 50 pg /L 108% 70 -130% Bromoform 50.6 pg /L 50 pg /L 101% 70 -130% Isopropylbenzene 52.7 pg /L 50 pg /L 105% 70 -130% 1,1,2,2 - Tetrachloroethane 51.0 pg /L 50 pg /L 102% 70- 130% Bromobenzene 52.7 pg /L 50 pg /L 105% 70 -130% 1 ,2,3-Trichloropropane 52.5 pg /L 50 pg /L 105% 70 -130% N- propylbenzene 58.6 pg /L 50 pg /L 117% 70 -130% 2- Chlorotoluene 51.1 pg /L 50 pg /L 102% 70 -130% 1,3,5 - Trimethylbenzene 53.5 pg /L 50 pg /L 107% 70 -130% 4- Chlorotoluene 53.2 pg /L 50 pg /L 106% 70 -130% Tert- butylbenzene 54.3 pg /L 50 pg /L 109% 70- 130% 1,2,4 - Trimethylbenzene 52.6 pg /L 50 pg /L 105% 70 -130% Sec - butylbenzene 53.6 pg /L 50 pg /L 107% 70- 130% 1,3- Dichlorobenzene 52.6 pg /L 50 pg /L 105% 70 -130% p- Isopropyltoluene 53.5 pg /L 50 pg /L 107% 70 -130% 1,4- Dichlorobenzene 52.1 pg /L 50 pg /L 104% 70 -130% N- butylbenzene 55.6 pg /L 50 pg /L 111% 70 -130% 1,2- Dichlorobenzene 52.4 pg /L 50 pg /L 105% 70- 130% 1,2- Dibromo -3- 50.6 pg /L 50 pg /L 101% 70 -130% chloropropane 1,2,4 - Trichlorobenzene 49.9 pg /L 50 pg /L 100% 70 -130% Hexachlorobutadiene 48.0 pg /L 50 pg /L 96% 70 -130% Naphthalene 46.7 pg /L 50 pg /L 93% 70 -130% 1,2,3 - Trichlorobenzene 48.8 pg /L 50 pg /L 98% 70 -130% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 52.6 pg /L 50 pg /L 105% 86 -118% 1,2 Dichloroethane -d4 52.5 pg /L 50 pg /L 105% 80 -120% Toluene -d8 53.0 pg /L 50 pg /L 106% 88- 117% 4- Bromofluorobenzene 51.8 pg /L 50 pg /L 104% 86 -115% LCSD Dichlorodifluoromethane 65.1 pg /L 50 pg /L 130% 70 -130% 0.3% 0 -25% Chloromethane 55.6 pg /L 50 pg /L 111% 70 -130% 0.4% 0 -25% Vinyl Chloride 55.1 pg /L 50 pg /L 110% 70 -130% 0.2% 0 -25% Bromomethane 54.3 pg /L 50 pg /L 109% 60 -140% 2.2% 0 -25% Chloroethane 52.8 pg /L 50 pg /L 106% 70 -130% 1.9% 0 -25% Trichlorofluoromethane 51.6 pg /L 50 pg /L 103% 70 -130% 2.7% 0 -25% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 0 , Acc ? Order ID: 1006486 :� : ,r OXIDOR Labor�tarie LLC ,, Date: 7/2/2010 . _ >. 6 : �l Page 21 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 20110_L 1,1- Dichloroethene 55.6 pg /L 50 pg /L 111% 70 -130% 3.7% 0 -25% Acetonitrile 45.8 pg /L 50 pg /L 92% 60 -140% 4.1% 0 -25% Methylene Chloride 57.0 pg /L 50 pg /L 114% 70 -130% 2.1 % 0 -25% Acrylonitrile 47.9 pg /L 50 pg /L 96% 60 -140% 4.7% 0 -25% Trans -1,2- dichloroethene 51.4 pg /L 50 pg /L 103% 70 -130% 3.1% 0 -25% MTBE 47.7 pg /L 50 pg /L 95% 70- 130% 4.3% 0 -25% 1,1- Dichloroethane 53.5 pg /L 50 pg /L 107% 70 -130% 3.1% 0 -25% 2,2- Dichloropropane 62.0 pg /L 50 pg /L 124% 70 -130% 3.3% 0 -25% Cis -1,2- dichloroethene 54.8 pg /L 50 pg /L 110% 70 -130% 3.6% 0 -25% 2- Butanone 49.8 pg /L 50 pg /L 100% 60 -140% 6.6% 0 -25% Bromochloromethane 57.6 pg /L 50 pg /L 115% 70- 130% 3.6% 0 -25% Chloroform 50.5 pg /L 50 pg /L 101% 70 -130% 2.9% 0 -25% 1,1,1 - Trichloroethane 57.1 pg /L 50 pg /L 114% 70 -130% 1.6% 0 -25% 1 ,1-Dichloropropene 51.4 pg /L 50 pg /L 103% 40 -160% 2.5% 0 -25% Carbon Tetrachloride 57.2 pg /L 50 pg /L 114% 70- 130% 0.5% 0 -25% Benzene 51.8 pg /L 50 pg /L 104% 70 -130% 2.9% 0 -25% 1,2- Dichloroethane 52.6 pg /L 50 pg /L 105% 70 -130% 2.3% 0 -25% Trichloroethene 52.8 pg /L 50 pg /L 106% 70 -130% 1.9% 0 -25% 1,2- Dichloropropane 53.4 pg /L 50 pg /L 107% 70 -130% 3.1% 0 -25% Dibromomethane 57.9 pg /L 50 pg /L 116% 70 -130% 1.7% 0 -25% Bromodichloromethane 56.0 pg /L 50 pg /L 112% 70- 130% 1.4% 0 -25% Cis -1,3- dichloropropene 57.2 pg /L 50 pg /L 114% 70- 130% 1.0% 0 -25% 4- Methyl -2- pentanone 50.2 pg /L 50 pg /L 100% 60 -140% 4.1% 0 -25% Toluene 52.2 pg /L 50 pg /L 104% 70- 130% 2.3% 0 -25% Trans -1,3- dichloropropene 60.9 pg /L 50 pg /L 122% 70- 130% 2.8% 0 -25% 1,1,2 - Trichloroethane 54.4 pg /L 50 pg /L 109% 70 -130% 3.1% 0 -25% 1,3- Dichloropropane 52.7 pg /L 50 pg /L 105% 70 -130% 2.4% 0 -25% Tetrachloroethene 56.6 pg /L 50 pg /L 113% 70- 130% 1.6% 0 -25% 2- Hexanone 53.3 pg /L 50 pg /L 107% 60 -140% 0.2% 0 -25% Dibromochloromethane 55.4 pg /L 50 pg /L 111% 70 -130% 2.1% 0 -25% 1 ,2-Dibromoethane 55.1 pg /L 50 pg /L 110% 70- 130% 2.5% 0 -25% Chlorobenzene 52.1 pg /L 50 pg /L 104% 70 -130% 1.1% 0 -25% 1,1,1,2 - Tetrachloroethane 55.1 pg /L 50 pg /L 110% 70 -130% 0.5% 0 -25% Ethylbenzene 50.8 pg /L 50 pg /L 102% 70 -130% 1.6% 0 -25% m,p- Xylene 104 pg /L 100 pg /L 104% 70 -130% 0.0% 0 -25% o- Xylene 51.8 pg /L 50 pg /L 104% 70 -130% 1.0% 0 -25% Styrene 53.6 pg /L 50 pg /L 107% 70 -130% 0.4% 0 -25% Bromoform 50.4 pg /L 50 pg /L 101% 70 -130% 0.4% 0 -25% Isopropylbenzene 52.5 pg /L 50 pg /L 105% 70 -130% 0.4% 0 -25% 1,1 ,2,2-Tetrachloroethane 49.8 pg /L 50 pg /L 100% 70 -130% 2.4% 0 -25% Bromobenzene 52.4 pg /L 50 pg /L 105% 70- 130% 0.6% 0 -25% 1,2,3- Trichloropropane 51.5 pg /L 50 pg /L 103% 70 -130% 1.9% 0 -25% N- propylbenzene 58.8 pg /L 50 pg /L 118% 70 -130% 0.3% 0 -25% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 1 ., AGC;j Order ID: 1006486 �• XID R Laboratories LLC a • ; ,r. � . , Date: 7/2/2010 E h . ; N ,. Page 22 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchID VOC 20110_L 2- Chlorotoluene 51.2 pg /L 50 pg /L 102% 70 -130% 0.2% 0 -25% 1,3,5 - Trimethylbenzene 53.1 pg /L 50 pg /L 106% 70 -130% 0.8% 0 -25% 4- Chlorotoluene 53.0 pg /L 50 pg /L 106% 70 -130% 0.4% 0 -25% Tert- butylbenzene 54.8 pg /L 50 pg /L 110% 70- 130% 0.9% 0 -25% 1,2,4 - Trimethylbenzene 53.1 pg /L 50 pg /L 106% 70- 130% 0.9% 0 -25% Sec - butylbenzene 53.8 pg /L 50 pg /L 108% 70- 130% 0.4% 0 -25% 1,3- Dichlorobenzene 52.3 pg /L 50 pg /L 105% 70 -130% 0.6% 0 -25% p- Isopropyltoluene 53.4 pg /L 50 pg /L 107% 70 -130% 0.2% 0 -25% 1,4- Dichlorobenzene 51.8 pg /L 50 pg /L 104% 70- 130% 0.6% 0 -25% N- butylbenzene 56.4 pg /L 50 pg /L 113% 70 -130% 1.4% 0 -25% 1,2- Dichlorobenzene 52.4 pg /L 50 pg /L 105% 70 -130% 0.0% 0 -25% 1,2- Dibromo -3- 50.5 pg /L 50 pg /L 101% 70 -130% 0.2% 0 -25% chloropropane 1,2,4 - Trichlorobenzene 50.5 pg /L 50 pg /L 101% 70 -130% 1.2% 0 -25% Hexachlorobutadiene 49.3 pg /L 50 pg /L 99% 70 -130% 2.7% 0 -25% Naphthalene 49.8 pg /L 50 pg /L 100% 70 -130% 6.4% 0 -25% 1,2,3 - Trichlorobenzene 50.7 pg /L 50 pg /L 101% 70 -130% 3.8% 0 -25% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 50.4 pg /L 50 pg /L 101% 86 -118% 1,2 Dichloroethane -d4 50.5 pg /L 50 pg /L 101% 80 -120% Toluene -d8 51.1 pg /L 50 pg /L 102% 88- 117% 4- Bromofluorobenzene 50.3 pg /L 50 pg /L 101% 86- 115% MS Dichlorodifluoromethane 46.8 pg /L ND 50 pg /L 94% 70 -130% Chloromethane 46.5 pg /L ND 50 pg /L 93% 70 -130% Vinyl Chloride 47.6 . g/L ND 50 pg /L 95% 70 -130% Bromomethane 46.9 pg /L ND 50 pg /L 94% 60 -140% Chloroethane 49.7 pg /L ND 50 pg /L 99% 70 -130% Trichlorofluoromethane 46.7 pg /L ND 50 pg /L 93% 70 -130% 1,1- Dichloroethene 49.7 pg /L ND 50 pg /L 99% 70- 130% Acetonitrile 46.0 pg /L ND 50 pg /L 92% 60 -140% Methylene Chloride 50.0 pg /L ND 50 pg /L 100% 70 -130% Acrylonitrile 48.5 pg /L ND 50 pg /L 97% 60 -140% Trans -1,2- dichloroethene 49.7 pg /L ND 50 pg /L 99% 70 -130% MTBE 49.6 pg /L ND 50 pg /L 99% 70- 130% 1,1- Dichloroethane 48.7 pg /L ND 50 pg /L 97% 70 -130% 2,2- Dichloropropane 51.2 pg /L ND 50 pg /L 102% 70 -130% Cis -1,2- dichloroethene 50.2 pg /L ND 50 pg /L 100% 70 -130% 2- Butanone 53.4 pg /L ND 50 pg /L 107% 60 -140% Bromochloromethane 51.8 pg /L ND 50 pg /L 104% 70 -130% Chloroform 44.6 pg /L ND 50 pg /L 89% 70 -130% 1,1,1 - Trichloroethane 48.7 pg /L ND 50 pg /L 97% 70 -130% 1,1- Dichloropropene 50.8 pg /L ND 50 pg /L 102% 40 -160% Carbon Tetrachloride 47.5 pg /L ND 50 pg /L 95% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 h ACCp • i ` ''` '' � y w ,�� Order ID: 1006486 0. :` OXIDoR Laboratories LLC N °\ Date: 7/2/2010 '� 1 Page 23 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 20110_L Benzene 49.8 pg /L ND 50 pg /L 100% 70 -130% 1,2- Dichloroethane 49.2 pg /L ND 50 pg /L 98% 70- 130% Trichloroethene 49.3 pg /L ND 50 pg /L 99% 70 -130% 1,2- Dichloropropane 51.1 pg /L ND 50 pg /L 102% 70 -130% Dibromomethane 51.7 pg /L ND 50 pg /L 103% 70- 130% Bromodichloromethane 49.3 pg /L ND 50 pg /L 99% 70 -130% Cis -1,3- dichloropropene 51.7 pg /L ND 50 pg /L 103% 70 -130% 4- Methyl -2- pentanone 54.7 pg /L ND 50 pg /L 109% 60 -140% Toluene 49.7 pg /L ND 50 pg /L 99% 70 -130% Trans -1,3- dichloropropene 52.4 pg /L ND 50 pg /L 105% 70 -130% 1,1,2 - Trichloroethane 50.7 pg /L ND 50 pg /L 101% 70 -130% 1,3- Dichloropropane 50.9 pg /L ND 50 pg /L 102% 70 -130% Tetrachloroethene 50.1 pg /L ND 50 pg /L 100% 70 -130% 2- Hexanone 55.3 pg /L ND 50 pg /L 111% 60 -140% Dibromochloromethane 48.6 pg /L ND 50 pg /L 97% 70 -130% 1,2- Dibromoethane 53.1 pg /L ND 50 pg /L 106% 70 -130% Chlorobenzene 49.9 pg /L ND 50 pg /L 100% 70 -130% 1,1,1,2 - Tetrachloroethane 51.8 pg /L ND 50 pg /L 104% 70 -130% Ethylbenzene 49.9 pg /L ND 50 pg /L 100% 70 -130% m,p- Xylene 102 pg /L ND 100 pg /L 102% 70 -130% o- Xylene 50.7 pg /L ND 50 pg /L 101% 70 -130% Styrene 51.7 pg /L ND 50 pg /L 103% 70 -130% Bromoform 42.9 pg /L ND 50 pg /L 86% 70 -130% Isopropylbenzene 50.8 pg /L ND 50 pg /L 102% 70- 130% 1,1,2,2 - Tetrachloroethane 50.8 pg /L ND 50 pg /L 102% 70 -130% Bromobenzene 50.1 pg /L ND 50 pg /L 100% 70 -130% 1,2,3 - Trichloropropane 49.8 pg /L ND 50 pg /L 100% 70 -130% N- propylbenzene 51.9 pg /L ND 50 pg /L 104% 70 -130% 2- Chlorotoluene 49.4 pg /L ND 50 pg /L 99% 70 -130% 1,3,5 - Trimethylbenzene 50.4 pg /L ND 50 pg /L 101% 70 -130% 4- Chlorotoluene 49.6 pg /L ND 50 pg /L 99% 70 -130% Tert- butylbenzene 49.9 pg /L ND 50 pg /L 100% 70 -130% 1,2,4 - Trimethylbenzene 51.1 pg /L ND 50 pg /L 102% 70 -130% Sec - butylbenzene 50.2 pg /L ND 50 pg /L 100% 70 -130% 1,3- Dichlorobenzene 50.4 pg /L ND 50 pg /L 101% 70 -130% p- Isopropyltoluene 49.7 pg /L ND 50 pg /L 99% 70 -130% 1,4- Dichlorobenzene 49.8 pg /L ND 50 pg /L 100% 70- 130% N- butylbenzene 50.0 pg /L ND 50 pg /L 100% 70 -130% 1,2- Dichlorobenzene 50.2 pg /L ND 50 pg /L 100% 70 -130% 1,2- Dibromo -3- 43.4 pg /L ND 50 pg /L 87% 70- 130% chloropropane 1,2,4 - Trichlorobenzene 47.4 pg /L ND 50 pg /L 95% 70 -130% Hexachlorobutadiene 46.9 pg /L ND 50 pg /L 94% 70 -130% Naphthalene 51.9 pg /L ND 50 pg /L 104% 70 -130% www.OXIDOR.cam • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 T., Order ID: 1006486 :s OIXIDoR Laboratories LLC w` ' ` Date: 7/2/2010 Page 24 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 1,2,3 - Trichlorobenzene 46.2 pg /L ND 50 pg /L 92% 70 -130% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 50.8 pg /L 50 pg /L 102% 86 -118% 1,2 Dichloroethane -d4 50.4 pg /L 50 pg /L 101% 80 -120% Toluene -d8 52.8 pg /L 50 pg /L 106% 88 -117% 4- Bromofluorobenzene 51.7 pg /L 50 pg /L 103% 86 -115% MSD Dichlorodifluoromethane 46.4 pg /L ND 50 pg /L 93% 70 -130% 0.9% 0 -25% Chloromethane 47.7 pg /L ND 50 pg /L 95% 70 -130% 2.5% 0 -25% Vinyl Chloride 48.7 pg /L ND 50 pg /L 97% 70 -130% 2.3% 0 -25% Bromomethane 49.5 pg /L ND 50 pg /L 99% 60 -140% 5.4% 0 -25% Chloroethane 49.7 pg /L ND 50 pg /L 99% 70 -130% 0.0% 0 -25% Trichlorofluoromethane 47.9 pg /L ND 50 pg /L 96% 70 -130% 2.5% 0 -25% 1,1- Dichloroethene 49.9 pg /L ND 50 pg /L 100% 70 -130% 0.4% 0 -25% Acetonitrile 46.1 pg /L ND 50 pg /L 92% 60 -140% 0.2% 0 -25% Methylene Chloride 50.1 pg /L ND 50 pg /L 100% 70 -130% 0.2% 0 -25% Acrylonitrile 48.1 pg /L ND 50 pg /L 96% 60 -140% 0.8% 0 -25% Trans -1,2- dichloroethene 50.0 pg /L ND 50 pg /L 100% 70 -130% 0.6% 0 -25% MTBE 48.9 pg /L ND 50 pg /L 98% 70 -130% 1.4% 0 -25% 1,1- Dichloroethane 50.3 pg /L ND 50 pg /L 101% 70- 130% 3.2% 0 -25% 2,2- Dichloropropane 52.6 pg /L ND 50 pg /L 105% 70 -130% 2.7% 0 -25% Cis -1,2- dichloroethene 50.0 pg /L ND 50 pg /L 100% 70 -130% 0.4% 0 -25% 2- Butanone 52.2 pg /L ND 50 pg /L 104% 60 -140% 2.3% 0 -25% Bromochloromethane 51.3 pg /L ND 50 pg /L 103% 70 -130% 1.0% 0 -25% Chloroform 44.5 pg /L ND 50 pg /L 89% 70 -130% 0.2% 0 -25% 1,1,1 - Trichloroethane 49.3 pg /L ND 50 pg /L 99% 70 -130% 1.2% 0 -25% 1,1- Dichloropropene 50.1 pg /L ND 50 pg /L 100% 40- 160% 1.4% 0 -25% Carbon Tetrachloride 49.0 pg /L ND 50 pg /L 98% 70 -130% 3.1% 0 -25% Benzene 49.8 pg /L ND 50 pg /L 100% 70 -130% 0.0% 0 -25% 1,2- Dichloroethane 48.8 pg /L ND 50 pg /L 98% 70 -130% 0.8% 0 -25% Trichloroethene 49.7 pg /L ND 50 pg /L 99% 70 -130% 0.8% 0 -25% 1,2- Dichloropropane 51.2 pg /L ND 50 pg /L 102% 70 -130% 0.2% 0 -25% Dibromomethane 50.7 pg /L ND 50 pg /L 101% 70 -130% 2.0% 0 -25% Bromodichloromethane 49.9 pg /L ND 50 pg /L 100% 70 -130% 1.2% 0 -25% Cis -1,3- dichloropropene 52.0 pg /L ND 50 pg /L 104% 70 -130% 0.6% 0 -25% 4- Methyl -2- pentanone 53.0 pg /L ND 50 pg /L 106% 60 -140% 3.2% 0 -25% Toluene 50.0 pg /L ND 50 pg /L 100% 70 -130% 0.6% 0 -25% Trans -1,3- dichloropropene 52.3 pg /L ND 50 pg /L 105% 70 -130% 0.2% 0 -25% 1,1,2 - Trichloroethane 50.2 pg /L ND 50 pg /L 100% 70 -130% 1.0% 0 -25% 1,3- Dichloropropane 50.5 pg /L ND 50 pg /L 101% 70 -130% 0.8% 0 -25% Tetrachloroethene 49.9 pg /L ND 50 pg /L 100% 70 -130% 0.4% 0 -25% 2- Hexanone 52.4 pg /L ND 50 pg /L 105% 60 -140% 5.4% 0 -25% Dibromochloromethane 50.1 pg /L ND 50 pg /L 100% 70 -130% 3.0% 0 -25% 1,2- Dibromoethane 52.0 pg /L ND 50 pg /L 104% 70 -130% 2.1% 0 -25% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424-6508 n;P-,' '1,1,,, Order ID: 1006486 OXIDOR Laboratories LL( ti , ' ' Date: 7/2/2010 ,1;; r Page 25 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 20110_L Chlorobenzene 50.3 pg /L ND 50 pg /L 101% 70 -130% 0.8% 0 -25% 1,1,1,2 - Tetrachloroethane 53.3 pg /L ND 50 pg /L 107% 70 -130% 2.9% 0 -25% Ethylbenzene 50.2 pg /L ND 50 pg /L 100% 70 -130% 0.6% 0 -25% m,p- Xylene 101 pg /L ND 100 pg /L 101% 70 -130% 1.0% 0 -25% o- Xylene 50.7 pg /L ND 50 pg /L 101% 70- 130% 0.0% 0 -25% Styrene 52.0 pg /L ND 50 pg /L 104% 70 -130% 0.6% 0 -25% Bromoform 44.5 pg /L ND 50 pg /L 89% 70 -130% 3.7% 0 -25% Isopropylbenzene 50.9 pg /L ND 50 pg /L 102% 70 -130% 0.2% 0 -25% 1,1,2,2 - Tetrachloroethane 50.3 pg /L ND 50 pg /L 101% 70 -130% 1.0% 0 -25% Bromobenzene 50.1 pg /L ND 50 pg /L 100% 70 -130% 0.0% 0 -25% 1,2,3 - Trichloropropane 48.7 pg /L ND 50 pg /L 97% 70 -130% 2.2% 0 -25% N- propylbenzene 51.5 pg /L ND 50 pg /L 103% 70 -130% 0.8% 0 -25% 2- Chlorotoluene 49.3 pg /L ND 50 pg /L 99% 70 -130% 0.2% 0 -25% 1,3,5 - Trimethylbenzene 50.4 pg /L ND 50 pg /L 101% 70 -130% 0.0% 0 -25% 4- Chlorotoluene 49.7 pg /L ND 50 pg /L 99% 70- 130% 0.2% 0 -25% Tert- butylbenzene 50.3 pg /L ND 50 pg /L 101% 70 -130% 0.8% 0 -25% 1,2,4 - Trimethylbenzene 51.0 pg /L ND 50 pg /L 102% 70- 130% 0.2% 0 -25% Sec - butylbenzene 50.6 pg /L ND 50 pg /L 101% 70 -130% 0.8% 0 -25% 1,3- Dichlorobenzene 50.2 pg /L ND 50 pg /L 100% 70 -130% 0.4% 0 -25% p- Isopropyltoluene 49.6 pg /L ND 50 pg /L 99% 70 -130% 0.2% 0 -25% 1 ,4-Dich lorobenzene 49.7 pg /L ND 50 pg /L 99% 70 -130% 0.2% 0 -25% N- butylbenzene 50.0 pg /L ND 50 pg /L 100% 70 -130% 0.0% 0 -25% 1 ,2-Dichlorobenzene 50.4 pg /L ND 50 pg /L 101 % 70 -130% 0.4% 0 -25% 1,2- Dibromo -3- 43.9 pg /L ND 50 pg /L 88% 70 -130% 1.1% 0 -25% chloropropane 1,2,4- Trichlorobenzene 49.5 pg /L ND 50 pg /L 99% 70 -130% 4.3% 0 -25% Hexachlorobutadiene 49.0 pg /L ND 50 pg /L 98% 70 -130% 4.4% 0 -25% Naphthalene 53.1 pg /L ND 50 pg /L 106% 70 -130% 2.3% 0 -25% 1,2,3 - Trichlorobenzene 49.3 pg /L ND 50 pg /L 99% 70 -130% 6.5% 0 -25% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 50.6 pg /L 50 pg /L 101% 86 -118% 1,2 Dichloroethane -d4 48.7 pg /L 50 pg /L 97% 80 -120% Toluene -d8 51.6 pg /L 50 pg /L 103% 88 -117% 4- Bromofluorobenzene 50.9 pg /L 50 pg /L 102% 86 -115% QCBatchlD VOC 20310_L Blank Dichlorodifluoromethane ND pg /L Chloromethane ND pg /L Vinyl Chloride ND pg /L Bromomethane ND pg /L Chloroethane ND pg /L Trichlorofluoromethane ND pg /L 1,1- Dichloroethene ND pg /L Acetonitrile ND pg /L www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 AGGO ((�""''����rr ���77 Laboratories LLC � , y w _, :' � Order ID: 1006486 OxIDoR Laboratories, LLC. k „ • Date: 7 /2/2010 :'1 W' ` Page 26 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 20310_L Methylene Chloride ND pg /L Acrylonitrile ND pg /L MTBE ND pg /L Trans -1,2- dichloroethene ND pg /L 1,1- Dichloroethane ND pg /L 2- Butanone ND pg /L 2,2- Dichloropropane ND pg /L Cis -1,2- dichloroethene ND pg /L Bromochloromethane ND pg /L Chloroform ND pg /L 1,1,1 - Trichloroethane ND pg /L 1,1- Dichloropropene ND pg /L Carbon Tetrachloride ND pg /L Benzene ND pg /L 1,2- Dichloroethane ND pg /L Trichloroethene ND pg /L 1,2- Dichloropropane ND pg /L Dibromomethane ND pg /L Bromodichloromethane ND pg /L Cis -1,3- dichloropropene ND pg /L 4- Methyl -2- pentanone ND pg /L Toluene ND pg /L Trans -1,3- dichloropropene ND pg /L 1,1,2 - Trichloroethane ND pg /L 2- Hexanone ND pg /L 1,3- Dichloropropane ND pg /L Tetrachloroethene ND pg /L Dibromochloromethane ND pg /L 1,2- Dibromoethane ND pg /L Chlorobenzene ND pg /L Ethylbenzene ND pg /L 1, 1, 1,2-Tetrachloroethane ND pg /L m,p- Xylene ND pg /L o- Xylene ND pg /L Styrene ND pg /L Bromoform ND pg /L Isopropylbenzene ND pg /L 1,1,2,2- Tetrachloroethane ND pg /L 1,2,3 - Trichloropropane ND pg /L Bromobenzene ND pg /L N- propylbenzene ND pg /L 2- Chlorotoluene ND pg /L 4- Chlorotoluene ND pg /L www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 04 ACLp " 4' 4 ' ' 14 Order ID: 1006486 OXIDoR Laboratories, LLC - , , , ' Date: 7 /2/2010 c, ; ,, ;` a 0 s Pa 27 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 20310_L 1 ,3,5-Trimethylbenzene ND pg /L Tert- butylbenzene ND pg /L 1 ,2,4-Trimethylbenzene ND pg /L Sec - butylbenzene ND pg /L p- Isopropyltoluene ND pg /L 1 ,3-Dichlorobenzene ND pg /L 1,4- Dichlorobenzene ND pg /L N- butylbenzene ND pg /L 1,2- Dichlorobenzene ND pg /L 1,2- Dibromo -3- ND pg /L chloropropane 1,2,4 - Trichlorobenzene ND pg /L Hexachlorobutadiene ND pg /L Naphthalene ND pg /L 1,2,3- Trichlorobenzene ND pg /L Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 51.4 pg /L 50 pg /L 103% 86 -118% 1,2 Dichloroethane -d4 52.1 pg /L 50 pg /L 104% 80 -120% Toluene -d8 53.0 pg /L 50 pg /L 106% 88 -117% 4- Bromofluorobenzene 52.3 pg /L 50 pg /L 105% 86 -115% LCS Dichlorodifluoromethane 48.9 pg /L 50 pg /L 98% 70 -130% Chloromethane 47.5 pg /L 50 pg /L 95% 70 -130% Vinyl Chloride 48.5 pg /L 50 pg /L 97% 70- 130% Bromomethane 47.0 pg /L 50 pg /L 94% 60 -140% Chloroethane 49.6 pg /L 50 pg /L 99% 70 -130% Trichlorofluoromethane 48.4 pg /L 50 pg /L 97% 70 -130% 1,1- Dichloroethene 49.6 pg /L 50 pg /L 99% 70 -130% Acetonitrile 43.3 pg /L 50 pg /L 87% 60 -140% Methylene Chloride 51.5 pg /L 50 pg /L 103% 70 -130% Acrylonitrile 46.5 pg /L 50 pg /L 93% 60 -140% Trans -1,2- dichloroethene 50.1 pg /L 50 pg /L 100% 70 -130% MTBE 45.9 pg /L 50 pg /L 92% 70- 130% 1,1- Dichloroethane 49.1 pg /L 50 pg /L 98% 70 -130% 2,2- Dichloropropane 55.6 pg /L 50 pg /L 111% 70- 130% Cis -1,2- dichloroethene 49.6 pg /L 50 pg /L 99% 70 -130% 2- Butanone 49.5 pg /L 50 pg /L 99% 60 -140% Bromochloromethane 51.2 pg /L 50 pg /L 102% 70 -130% Chloroform 45.1 pg /L 50 pg /L 90% 70 -130% 1,1,1 - Trichloroethane 51.2 pg /L 50 pg /L 102% 70 -130% 1 ,1-Dichloropropene 50.7 pg /L 50 pg /L 101% 40 -160% Carbon Tetrachloride 52.5 pg /L 50 pg /L 105% 70 -130% Benzene 50.0 pg /L 50 pg /L 100% 70 -130% 1,2- Dichloroethane 49.5 pg /L 50 pg /L 99% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 h AC 0 ''= " "� n � ?s� Order ID: 1006486 OxIDoR Labor atories, LLC < " Date: 7/2/2010 '� �* Page 28 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC_20310_L Trichloroethene 51.2 pg /L 50 pg /L 102% 70 -130% 1,2- Dichloropropane 50.6 pg /L 50 pg /L 101 % 70 -130% Dibromomethane 49.9 pg /L 50 pg /L 100% 70- 130% Bromodichloromethane 51.9 pg /L 50 pg /L 104% 70 -130% Cis -1,3- dichloropropene 53.9 pg /L 50 pg /L 108% 70 -130% 4- Methyl -2- pentanone 48.7 pg /L 50 pg /L 97% 60 -140% Toluene 50.2 pg /L 50 pg /L 100% 70 -130% Trans -1,3- dichloropropene 53.8 pg /L 50 pg /L 108% 70 -130% 1,1,2 - Trichloroethane 49.7 pg /L 50 pg /L 99% 70 -130% 1,3- Dichloropropane 50.0 pg /L 50 pg /L 100% 70 -130% Tetrachloroethene 51.7 pg /L 50 pg /L 103% 70 -130% 2- Hexanone 54.0 pg /L 50 pg /L 108% 60- 140% Dibromochloromethane 51.6 pg /L 50 pg /L 103% 70 -130% 1 ,2-Dibromoetha ne 51.5 pg /L 50 pg /L 103% 70 -130% Chlorobenzene 51.1 pg /L 50 pg /L 102% 70 -130% 1,1,1,2 - Tetrachloroethane 54.9 pg /L 50 pg /L 110% 70 -130% Ethylbenzene 51.1 pg /L 50 pg /L 102% 70 -130% m,p- Xylene 103 pg /L 100 pg /L 103% 70 -130% o- Xylene 51.4 pg /L 50 pg /L 103% 70 -130% Styrene 52.1 pg /L 50 pg /L 104% 70 -130% Bromoform 45.4 pg /L 50 pg /L 91% 70 -130% Isopropylbenzene 52.0 pg /L 50 pg /L 104% 70- 130% 1,1,2,2- Tetrachloroethane 48.0 pg /L 50 pg /L 96% 70 -130% Bromobenzene 51.7 pg /L 50 pg /L 103% 70 -130% 1,2,3 - Trichloropropane 46.1 pg /L 50 pg /L 92% 70- 130% N- propylbenzene 51.0 pg /L 50 pg /L 102% 70 -130% 2- Chlorotoluene 51.9 pg /L 50 pg /L 104% 70- 130% 1,3,5 - Trimethylbenzene 50.8 pg /L 50 pg /L 102% 70 -130% 4- Chlorotoluene 50.3 pg /L 50 pg /L 101% 70 -130% Tert- butylbenzene 51.9 pg /L 50 pg /L 104% 70 -130% 1,2,4 - Trimethylbenzene 50.7 pg /L 50 pg /L 101% 70 -130% Sec - butylbenzene 50.8 pg /L 50 pg /L 102% 70 -130% 1 ,3-Dichlorobenzene 51.2 pg /L 50 pg /L 102% 70 -130% p- Isopropyltoluene 50.2 pg /L 50 pg /L 100% 70 -130% 1,4- Dichlorobenzene 49.6 pg /L 50 pg /L 99% 70 -130% N- butylbenzene 49.2 pg /L 50 pg /L 98% 70 -130% 1,2- Dichlorobenzene 49.7 pg /L 50 pg /L 99% 70 -130% 1,2- Dibromo -3- 41.9 pg /L 50 pg /L 84% 70 -130% chloropropane 1 ,2,4-Trichlorobenzene 48.6 pg /L 50 pg /L 97% 70 -130% Hexachlorobutadiene 50.5 pg /L 50 pg /L 101% 70 -130% Naphthalene 43.5 pg /L 50 pg /L 87% 70 -130% 1,2,3 - Trichlorobenzene 45.7 pg /L 50 pg /L 91% 70- 130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ,w ACCO, 2 , -/,,,,, Order ID: 1006486 OxIDOR Laboratories LLC ,. - - `' Date: 7/2/2010 $,., w,,. -„ i Page 29of39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 20310_L Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 51.2 pg /L 50 pg /L 102% 86- 118% 1,2 Dichloroethane -d4 50.5 pg /L 50 pg /L 101% 80- 120% Toluene -d8 53.2 pg /L 50 pg /L 106% 88- 117% 4- Bromofluorobenzene 52.2 pg /L 50 pg /L 104% 86 -115% LCSD Dichlorodifluoromethane 48.1 pg /L 50 pg /L 96% 70 -130% 1.6% 0 -25% Chloromethane 46.8 pg /L 50 pg /L 94% 70- 130% 1.5% 0 -25% Vinyl Chloride 48.6 pg /L 50 pg /L 97% 70- 130% 0.2% 0 -25% Bromomethane 49.7 pg /L 50 pg /L 99% 60 -140% 5.6% 0 -25% Chloroethane 50.0 pg /L 50 pg /L 100% 70 -130% 0.8% 0 -25% Trichlorofluoromethane 47.5 pg /L 50 pg /L 95% 70 -130% 1.9% 0 -25% 1,1- Dichloroethene 48.3 pg /L 50 pg /L 97% 70 -130% 2.7% 0 -25% Acetonitrile 39.6 pg /L 50 pg /L 79% 60 -140% 8.9% 0 -25% Methylene Chloride 51.1 pg /L 50 pg /L 102% 70- 130% 0.8% 0 -25% Acrylonitrile 46.3 pg /L 50 pg /L 93% 60 -140% 0.4% 0 -25% Trans-1 ,2-dichloroethene 49.4 pg /L 50 pg /L 99% 70 -130% 1.4% 0 -25% MTBE 46.2 pg /L 50 pg /L 92% 70 -130% 0.7% 0 -25% 1,1- Dichloroethane 49.0 pg /L 50 pg /L 98% 70 -130% 0.2% 0 -25% 2,2- Dichloropropane 55.8 pg /L 50 pg /L 112% 70 -130% 0.4% 0 -25% Cis -1,2- dichloroethene 49.8 pg /L 50 pg /L 100% 70- 130% 0.4% 0 -25% 2- Butanone 40.8 pg /L 50 pg /L 82% 60- 140% 19.3% 0 -25% Bromochloromethane 51.0 pg /L 50 pg /L 102% 70 -130% 0.4% 0 -25% Chloroform 44.9 pg /L 50 pg /L 90% 70- 130% 0.4% 0 -25% 1,1,1 - Trichloroethane 51.2 pg /L 50 pg /L 102% 70- 130% 0.0% 0 -25% 1,1- Dichloropropene 50.6 pg /L 50 pg /L 101% 40- 160% 0.2% 0 -25% Carbon Tetrachloride 52.9 pg /L 50 pg /L 106% 70- 130% 0.8% 0 -25% Benzene 49.5 pg /L 50 pg /L 99% 70 -130% 1.0% 0 -25% 1,2- Dichloroethane 48.2 pg /L 50 pg /L 96% 70 -130% 2.7% 0 -25% Trichloroethene 50.4 pg /L 50 pg /L 101 % 70- 130% 1.6% 0 -25% 1,2- Dichloropropane 50.8 pg /L 50 pg /L 102% 70 -130% 0.4% 0 -25% Dibromomethane 51.4 pg /L 50 pg /L 103% 70 -130% 3.0% 0 -25% Bromodichloromethane 51.6 pg /L 50 pg /L 103% 70 -130% 0.6% 0 -25% Cis -1,3- dichloropropene 54.1 pg /L 50 pg /L 108% 70 -130% 0.4% 0 -25% 4- Methyl -2- pentanone 47.8 pg /L 50 pg /L 96% 60 -140% 1.9% 0 -25% Toluene 50.0 pg /L 50 pg /L 100% 70 -130% 0.4% 0 -25% Trans -1,3- dichloropropene 53.5 pg /L 50 pg /L 107% 70 -130% 0.6% 0 -25% 1,1,2 - Trichloroethane 49.2 pg /L 50 pg /L 98% 70 -130% 1.0% 0 -25% 1,3- Dichloropropane 49.8 pg /L 50 pg /L 100% 70- 130% 0.4% 0 -25% Tetrachloroethene 52.0 pg /L 50 pg /L 104% 70 -130% 0.6% 0 -25% 2- Hexanone 43.6 pg /L 50 pg /L 87% 60 -140% 21.3% 0 -25% Dibromochloromethane 51.8 pg /L 50 pg /L 104% 70- 130% 0.4% 0 -25% 1,2- Dibromoethane 51.5 pg /L 50 pg /L 103% 70- 130% 0.0% 0 -25% Chlorobenzene 50.0 pg /L 50 pg /L 100% 70- 130% 2.2% 0 -25% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 �v , ALCp /( y- .,, s Order ID: 1006486 . .� OXIDOR Laboratories , LLt , a _ t Date: 7/2/2010 _ .c ° Page 30 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchID VOC 2031 O_L 1,1,1,2 - Tetrachloroethane 54.6 pg /L 50 pg /L 109% 70 -130% 0.5% 0 -25% Ethylbenzene 50.0 pg /L 50 pg /L 100% 70- 130% 2.2% 0 -25% m,p- Xylene 102 pg /L 100 pg /L 102% 70 -130% 1.0% 0 -25% o- Xylene 51.1 pg /L 50 pg /L 102% 70 -130% 0.6% 0 -25% Styrene 51.8 pg /L 50 pg /L 104% 70- 130% 0.6% 0 -25% Bromoform 45.8 pg /L 50 pg /L 92% 70 -130% 0.9% 0 -25% Isopropylbenzene 51.0 pg /L 50 pg /L 102% 70 -130% 1.9% 0 -25% 1,1,2,2 - Tetrachloroethane 47.7 pg /L 50 pg /L 95% 70 -130% 0.6% 0 -25% Bromobenzene 50.4 pg /L 50 pg /L 101% 70 -130% 2.5% 0 -25% 1,2,3 - Trichloropropane 46.2 pg /L 50 pg /L 92% 70 -130% 0.2% 0 -25% N- propylbenzene 51.1 pg /L 50 pg /L 102% 70 -130% 0.2% 0 -25% 2- Chlorotoluene 49.8 pg /L 50 pg /L 100% 70 -130% 4.1% 0 -25% 1,3,5 - Trimethylbenzene 50.6 pg /L 50 pg /L 101% 70 -130% 0.4% 0 -25% 4- Chlorotoluene 49.9 pg /L 50 pg /L 100% 70 -130% 0.8% 0 -25% Tert- butylbenzene 50.8 pg /L 50 pg /L 102% 70 -130% 2.1% 0 -25% 1,2,4 - Trimethylbenzene 51.0 pg /L 50 pg /L 102% 70 -130% 0.6% 0 -25% Sec - butylbenzene 51.3 pg /L 50 pg /L 103% 70 -130% 1.0% 0 -25% 1,3- Dichlorobenzene 50.8 pg /L 50 pg /L 102% 70 -130% 0.8% 0 -25% p- Isopropyltoluene 51.2 pg /L 50 pg /L 102% 70 -130% 2.0% 0 -25% 1,4- Dichlorobenzene 49.7 pg /L 50 pg /L 99% 70 -130% 0.2% 0 -25% N- butylbenzene 51.8 pg /L 50 pg /L 104% 70 -130% 5.1% 0 -25% 1,2- Dichlorobenzene 49.5 pg /L 50 pg /L 99% 70 -130% 0.4% 0 -25% 1,2- Dibromo -3- 41.5 pg /L 50 pg /L 83% 70 -130% 1.0% 0 -25% chloropropane 1,2,4 - Trichlorobenzene 49.6 pg /L 50 pg /L 99% 70 -130% 2.0% 0 -25% Hexachlorobutadiene 53.3 pg /L 50 pg /L 107% 70 -130% 5.4% 0 -25% Naphthalene 47.2 pg /L 50 pg /L 94% 70 -130% 8.2% 0 -25% 1,2,3 - Trichlorobenzene 48.5 pg /L 50 pg /L 97% 70 -130% 5.9% 0 -25% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 51.0 pg /L 50 pg /L 102% 86 -118% 1,2 Dichloroethane -d4 49.3 pg /L 50 pg /L 99% 80 -120% Toluene -d8 52.8 pg /L 50 pg /L 106% 88 -117% 4- Bromofluorobenzene 51.4 pg /L 50 pg /L 103% 86- 115% MS Dichlorodifluoromethane 46.8 pg /L ND 50 pg /L 94% 70 -130% Chloromethane 46.2 pg /L ND 50 pg /L 92% 70- 130% Vinyl Chloride 48.0 pg /L ND 50 pg /L 96% 70 -130% Bromomethane 49.0 pg /L ND 50 pg /L 98% 60 -140% Chloroethane 48.6 pg /L ND 50 pg /L 97% 70 -130% Trichlorofluoromethane 47.6 pg /L ND 50 pg /L 95% 70 -130% 1,1- Dichloroethene 48.5 pg /L ND 50 pg /L 97% 70 -130% Acetonitrile 39.2 pg /L ND 50 pg /L 78% 60 -140% Methylene Chloride 50.3 pg /L ND 50 pg /L 101% 70 -130% Acrylonitrile 45.5 pg /L ND 50 pg /L 91% 60 -140% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 } \ `4 A CCp,�, , �� Order ID: 1006486 OXIDOR Laboratories LLC N� Date: 7 /2/2010 ,�, . . ' 0. i Page 31 of 39 Imp 7104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchID VOC L Trans-1,2- dichloroethene 48.8 pg /L ND 50 pg /L 98% 70 -130% MTBE 45.5 pg /L ND 50 pg /L 91% 70 -130% 1,1- Dichloroethane 48.4 pg /L ND 50 pg /L 97% 70 -130% 2,2- Dichloropropane 54.8 pg /L ND 50 pg /L 110% 70 -130% Cis -1,2- dichloroethene 48.8 pg /L ND 50 pg /L 98% 70 -130% 2- Butanone 46.5 pg /L ND 50 pg /L 93% 60 -140% Bromochloromethane 50.4 pg /L ND 50 pg /L 101% 70 -130% Chloroform 44.6 pg /L ND 50 pg /L 89% 70 -130% 1,1,1 - Trichloroethane 51.2 pg /L ND 50 pg /L 102% 70 -130% 1,1- Dichloropropene 50.7 pg /L ND 50 pg /L 101% 40 -160% Carbon Tetrachloride 53.6 pg /L ND 50 pg /L 107% 70 -130% Benzene 49.4 pg /L ND 50 pg /L 99% 70- 130% 1,2- Dichloroethane 48.4 pg /L ND 50 pg /L 97% 70 -130% Trichloroethene 50.6 pg /L ND 50 pg /L 101% 70 -130% 1,2- Dichloropropane 50.3 pg /L ND 50 pg /L 101% 70 -130% Dibromomethane 50.4 pg /L ND 50 pg /L 101% 70 -130% Bromodichloromethane 51.3 pg /L ND 50 pg /L 103% 70 -130% Cis -1,3- dichloropropene 53.1 pg /L ND 50 pg /L 106% 70- 130% 4- Methyl -2- pentanone 48.2 pg /L ND 50 pg /L 96% 60 -140% Toluene 49.9 pg /L ND 50 pg /L 100% 70 -130% Trans -1,3- dichloropropene 52.9 pg /L ND 50 pg /L 106% 70 -130% 1,1,2 - Trichloroethane 49.1 pg /L ND 50 pg /L 98% 70- 130% 1,3- Dichloropropane 49.3 pg /L ND 50 pg /L 99% 70 -130% Tetrachloroethene 50.9 pg /L ND 50 pg /L 102% 70 -130% 2- Hexanone 44.0 pg /L ND 50 pg /L 88% 60 -140% Dibromochloromethane 51.3 pg /L ND 50 pg /L 103% 70 -130% 1,2- Dibromoethane 50.7 pg /L ND 50 pg /L 101% 70 -130% Chlorobenzene 50.5 pg /L ND 50 pg /L 101% 70 -130% 1,1,1,2 - Tetrachloroethane 54.9 pg /L ND 50 pg /L 110% 70 -130% Ethylbenzene 51.0 pg /L ND 50 pg /L 102% 70 -130% m,p- Xylene 103 pg /L ND 100 pg /L 103% 70 -130% o- Xylene 51.7 pg /L ND 50 pg /L 103% 70 -130% Styrene 52.9 pg /L ND 50 pg /L 106% 70 -130% Bromoform 45.8 pg /L ND 50 pg /L 92% 70 -130% Isopropylbenzene 52.3 pg /L ND 50 pg /L 105% 70 -130% 1,1,2,2 - Tetrachloroethane 48.1 pg /L ND 50 pg /L 96% 70 -130% Bromobenzene 51.1 pg /L ND 50 pg /L 102% 70 -130% 1,2,3 - Trichloropropane 46.3 pg /L ND 50 pg /L 93% 70 -130% N- propylbenzene 52.3 pg /L ND 50 pg /L 105% 70 -130% 2- Chlorotoluene 50.5 pg /L ND 50 pg /L 101% 70 -130% 1,3,5 - Trimethylbenzene 51.4 pg /L ND 50 pg /L 103% 70 -130% 4- Chlorotoluene 50.3 pg /L ND 50 pg /L 101% 70 -130% Tert - butylbenzene 51.3 pg /L ND 50 pg /L 103% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 , ncco .':` , s " Order ID: 1006486 �„7 OXIDOR Laboratories LLC o. _ ° ` ° Date: 7/2/2010 e F Page 32 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 20310_L 1,2,4 - Trimethylbenzene 51.2 pg /L ND 50 pg /L 102% 70 -130% Sec - butylbenzene 51.9 pg /L ND 50 pg /L 104% 70 -130% 1,3- Dichlorobenzene 51.5 pg /L ND 50 pg /L 103% 70 -130% p- Isopropyltoluene 51.8 pg /L ND 50 pg /L 104% 70 -130% 1,4- Dichlorobenzene 50.4 pg /L ND 50 pg /L 101% 70 -130% N- butylbenzene 52.4 pg /L ND 50 pg /L 105% 70 -130% 1,2- Dichlorobenzene 50.6 pg /L ND 50 pg /L 101% 70 -130% 1,2- Dibromo -3- 42.6 pg /L ND 50 pg /L 85% 70 -130% chloropropane 1,2,4- Trichlorobenzene 50.7 pg /L ND 50 pg /L 101% 70 -130% Hexachlorobutadiene 55.5 pg /L ND 50 pg /L 111% 70 -130% Naphthalene 49.2 pg /L ND 50 pg /L 98% 70 -130% 1 ,2,3-Trichlorobenzene 49.9 pg /L ND 50 pg /L 100% 70 -130% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 50.2 pg /L 50 pg /L 100% 86 -118% 1,2 Dichloroethane -d4 49.0 pg /L 50 pg /L 98% 80 -120% Toluene -d8 51.8 pg /L 50 pg /L 104% 88 -117% 4- Bromofluorobenzene 50.9 pg /L 50 pg /L 102% 86 -115% MSD Dichlorodifluoromethane 47.8 pg /L ND 50 pg /L 96% 70 -130% 2.1% 0 -25% Chloromethane 46.9 pg /L ND 50 pg /L 94% 70 -130% 1.5% 0 -25% Vinyl Chloride 49.3 pg /L ND 50 pg /L 99% 70 -130% 2.7% 0 -25% Bromomethane 54.4 pg /L ND 50 pg /L 109% 60 -140% 10.4% 0 -25% Chloroethane 50.3 pg /L ND 50 pg /L 101% 70 -130% 3.4% 0 -25% Trichlorofluoromethane 50.8 pg /L ND 50 pg /L 102% 70 -130% 6.5% 0 -25% 1,1- Dichloroethene 51.7 pg /L ND 50 pg /L 103% 70 -130% 6.4% 0 -25% Acetonitrile 42.2 pg /L ND 50 pg /L 84% 60 -140% 7.4% 0 -25% Methylene Chloride 52.0 pg /L ND 50 pg /L 104% 70 -130% 3.3% 0 -25% Acrylonitrile 47.9 pg /L ND 50 pg /L 96% 60 -140% 5.1% 0 -25% Trans -1,2- dichloroethene 51.7 pg /L ND 50 pg /L 103% 70 -130% 5.8% 0 -25% MTBE 48.8 pg /L ND 50 pg /L 98% 70 -130% 7.0% 0 -25% 1,1- Dichloroethane 50.6 pg /L ND 50 pg /L 101% 70 -130% 4.4% 0 -25% 2,2- Dichloropropane 56.5 pg /L ND 50 pg /L 113% 70 -130% 3.1% 0 -25% Cis -1,2- dichloroethene 51.1 pg /L ND 50 pg /L 102% 70 -130% 4.6% 0 -25% 2- Butanone 49.0 pg /L ND 50 pg /L 98% 60 -140% 5.2% 0 -25% Bromochloromethane 52.6 pg /L ND 50 pg /L 105% 70 -130% 4.3% 0 -25% Chloroform 46.1 pg /L ND 50 pg /L 92% 70 -130% 3.3% 0 -25% 1,1,1 - Trichloroethane 52.2 pg /L ND 50 pg /L 104% 70 -130% 1.9% 0 -25% 1,1- Dichloropropene 51.2 pg /L ND 50 pg /L 102% 40 -160% 1.0% 0 -25% Carbon Tetrachloride 54.9 pg /L ND 50 pg /L 110% 70- 130% 2.4% 0 -25% Benzene 50.4 pg /L ND 50 pg /L 101% 70 -130% 2.0% 0 -25% 1,2- Dichloroethane 50.1 pg /L ND 50 pg /L 100% 70 -130% 3.5% 0 -25% Trichloroethene 51.4 i g/L ND 50 pg /L 103% 70 -130% 1.6% 0 -25% 1,2- Dichloropropane 51.2 pg /L ND 50 pg /L 102% 70 -130% 1.8% 0 -25% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ,. ACCC ��, Order ID: 1006486 OxIDoR Lab I.L . 4 ` ° E rg • Date: 7/2/2010 !,� .s e 3 Page 33 of 39 T1047 04227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchID VOC 20310 L Dibromomethane 53.0 pg /L ND 50 pg /L 106% 70 -130% 5.0% 0 -25% Bromodichloromethane 52.7 pg /L ND 50 pg /L 105% 70 -130% 2.7% 0 -25% Cis -1,3- dichloropropene 55.1 pg /L ND 50 pg /L 110% 70 -130% 3.7% 0 -25% 4- Methyl -2- pentanone 50.5 pg /L ND 50 pg /L 101% 60 -140% 4.7% 0 -25% Toluene 51.6 pg /L ND 50 pg /L 103% 70 -130% 3.3% 0 -25% Trans -1,3- dichloropropene 56.1 pg /L ND 50 pg /L 112% 70 -130% 5.9% 0 -25% 1,1,2 - Trichloroethane 50.9 pg /L ND 50 pg /L 102% 70 -130% 3.6% 0 -25% 1,3- Dichloropropane 50.9 pg /L ND 50 pg /L 102% 70 -130% 3.2% 0 -25% Tetrachloroethene 52.8 pg /L ND 50 pg /L 106% 70 -130% 3.7% 0 -25% 2- Hexanone 46.3 pg /L ND 50 pg /L 93% 60 -140% 5.1 % 0 -25% Dibromochloromethane 53.7 pg /L ND 50 pg /L 107% 70 -130% 4.6% 0 -25% 1,2- Dibromoethane 52.3 pg /L ND 50 pg /L 105% 70 -130% 3.1% 0 -25% Chlorobenzene 51.2 pg /L ND 50 pg /L 102% 70 -130% 1.4% 0 -25% 1,1,1,2 - Tetrachloroethane 55.5 pg /L ND 50 pg /L 111% 70 -130% 1.1% 0 -25% Ethylbenzene 51.1 pg /L ND 50 pg /L 102% 70 -130% 0.2% 0 -25% m,p- Xylene 103 pg /L ND 100 pg /L 103% 70 -130% 0.0% 0 -25% o- Xylene 51.7 pg /L ND 50 pg /L 103% 70 -130% 0.0% 0 -25% Styrene 53.0 pg /L ND 50 pg /L 106% 70 -130% 0.2% 0 -25% Bromoform 47.2 pg /L ND 50 pg /L 94% 70- 130% 3.0% 0 -25% Isopropylbenzene 52.3 pg /L ND 50 pg /L 105% 70 -130% 0.0% 0 -25% 1,1,2,2 - Tetrachloroethane 49.5 pg /L ND 50 pg /L 99% 70 -130% 2.9% 0 -25% Bromobenzene 51.4 pg /L ND 50 pg /L 103% 70- 130% 0.6% 0 -25% 1,2,3 - Trichloropropane 47.4 pg /L ND 50 pg /L 95% 70 -130% 2.3% 0 -25% N- propylbenzene 53.4 pg /L ND 50 pg /L 107% 70 -130% 2.1% 0 -25% 2- Chlorotoluene 50.3 pg /L ND 50 pg /L 101% 70- 130% 0.4% 0 -25% 1,3,5 - Trimethylbenzene 52.1 pg /L ND 50 pg /L 104% 70 -130% 1.4% 0 -25% 4- Chlorotoluene 51.2 pg /L ND 50 pg /L 102% 70 -130% 1.8% 0 -25% Tert- butylbenzene 52.5 pg /L ND 50 pg /L 105% 70 -130% 2.3% 0 -25% 1,2,4 - Trimethylbenzene 51.9 pg /L ND 50 pg /L 104% 70 -130% 1.4% 0 -25% Sec - butylbenzene 52.2 pg /L ND 50 pg /L 104% 70 -130% 0.6% 0 -25% 1,3- Dichlorobenzene 52.0 pg /L ND 50 pg /L 104% 70 -130% 1.0% 0 -25% p- Isopropyltoluene 52.7 pg /L ND 50 pg /L 105% 70- 130% 1.7% 0 -25% 1,4- Dichlorobenzene 51.3 pg /L ND 50 pg /L 103% 70 -130% 1.8% 0 -25% N- butylbenzene 53.4 pg /L ND 50 pg /L 107% 70 -130% 1.9% 0 -25% 1,2- Dichlorobenzene 51.3 pg /L ND 50 pg /L 103% 70- 130% 1.4% 0 -25% 1,2- Dibromo -3- 44.8 pg /L ND 50 pg /L 90% 70 -130% 5.0% 0 -25% chloropropane 1,2,4 - Trichlorobenzene 52.3 pg /L ND 50 pg /L 105% 70 -130% 3.1% 0 -25% Hexachlorobutadiene 56.3 pg /L ND 50 pg /L 113% 70 -130% 1.4% 0 -25% Naphthalene 51.5 pg /L ND 50 pg /L 103% 70 -130% 4.6% 0 -25% 1,2,3 - Trichlorobenzene 51.4 pg /L ND 50 pg /L 103% 70 -130% 3.0% 0 -25% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 e ,, _, . ,•� Order ID: 1006486 c °" . , Date: 7/2/2010 a XIDOR Laboratories LLC s 0 w� �- Page 34 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 20310 L Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 52.4 pg /L 50 pg /L 105% 86 -118% 1,2 Dichloroethane -d4 50.2 pg /L 50 pg /L 100% 80 -120% Toluene -d8 53.5 pg /L 50 pg /L 107% 88 -117% 4- Bromofluorobenzene 51.9 pg /L 50 Ng /L 104% 86 -115% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 °Z. < : ' " Ac co i Order ID: 1006486 OXIDoR Laboratories LLC. N4 Date: 7/2/2010 traw wvo x Page 35 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Case Narrative Project Name: Coppell Auto D -1 Elevated reporting limit(s) due to dilution. Dilution resulted from sample matrix interference, high target analyte(s), high non - target analyte(s) or a combination thereof. Q -7 Recovery and /or RPD outside desirable limits. ppm Parts per million = mg /Kg or mg /L ppb Parts per billion = ug /Kg or ug /L MQL Method quantitation limit SDL Sample detection limit (reflects any laboratory adjustments made to the sample during analysis such as dry weight or dilutions) SQL Sample quantitation limit (reflects any laboratory adjustments made to the sample during analysis such as dry weight or dilution ND Analyte not detected at or above SQL LCS /LCSD Laboratory control spike / Laboratory control spike duplicate MS /MSD Matrix spike / Matrix spike duplicate RPD Relative percent difference Sub Analysis performed by subcontract laboratory Solid sample results reported on a dry weight basis for all applicable analysis, unless otherwise noted. Dry weight calculations based upon % solids obtained as outlined in EPA method 5035 section 7.5 VOC CCV percent deviation of 2,2- Dichloropropane for QC Batch ID VOC 20110_L was slightly outside Oxidor QC limits. This report is intended only for the use of W &M Environmental Group, Inc. and may contain information that is privileged and confidential. It may not be reproduced in full (or in part) without the expressed written permission of W &M Environmental Group, Inc and Oxidor Laboratories, LLC. Oxidor Laboratories, LLC certifies to the best of its knowledge that all results contained in this report are consistent with the National Environmental Laboratory Accreditation Program, except where otherwise noted. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Order ID: 1006486 ! OxID��l Laboratories, LLC -. „ Date: 7/2/2010 t z, ay Page 36of39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Sample Preservation Verification Project Name: Coppell Auto Receipt temp: 5.4 °C on Ice All applicable VOA's received free of headspace: Yes Receipt method: Client Custody seal intact: Not Present All samples / labels received intact: Yes Customer Sample ID: MW -04 Collected By: Brent Vollmar Oxidor Sample ID: 1006486 -001 Collector Affiliation: W &M Environmental Group, Inc. Collected: 06/25/10 08:56 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation aH VOA Vial 6 Grab Temp - Customer Sample ID: MW -05 Collected By: Brent Vollmar Oxidor Sample ID: 1006486 -002 Collector Affiliation: W &M Environmental Group, Inc. Collected: 06/25/10 09:40 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation pH VOA Vial 6 Grab Temp - Customer Sample ID: MW -02 Collected By: Brent Vollmar Oxidor Sample ID: 1006486 -003 Collector Affiliation: W &M Environmental Group, Inc. Collected: 06/25/10 10:24 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation pH VOA Vial 6 Grab Temp - Customer Sample ID: MW -03 Collected By: Brent Vollmar Oxidor Sample ID: 1006486 -004 Collector Affiliation: W &M Environmental Group, Inc. Collected: 06/25/10 11:20 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation �H VOA Vial 6 Grab Temp - Customer Sample ID: MW -01 Collected By: Brent Vollmar Oxidor Sample ID: 1006486 -005 Collector Affiliation: W &M Environmental Group, Inc. Collected: 06/25/10 12:20 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation al VOA Vial 6 Grab Temp - www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax (972) 424 -6508 5 '. AGCU t ` �, Order ID: 1006486 " iY, OXIDoR Labora LLC ,t ti. Date: 7/2/2010 Page 37 of 39 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Sample Preservation Verification Project Name: Coppell Auto Customer Sample ID: Dup 1 Collected By: Brent Vollmer Oxidor Sample ID: 1006486 -006 Collector Affiliation: W&M Environmental Group, Inc. Collected: 06/25/10 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation gH VOA Vial 6 Grab Temp - Sample conditions at time of receipt at laboratory verified in part or in whole by: L.J. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ., ACOO i. a -r,; E�> r � Order ID: 1006486 OXIDoR Laboratories LLC k° ., . Date: 7/2/2010 • n' w * t x Page 38 of 39 T104704227 -09 -TX Chain of Custody PROJECT DESCRIPTION: Coppell Auto OXIDOR Laboraiories, LLC Chain of Custody Record al 1825 East Plano Parkway 4150 MI ,a. ACCo, Plano. TX 75074 -8570 Page of P 972. F 972 424 6506 customerservice @ oxidormm s Send Report To Piled f Raul MomWot Company Name Requested�" Arouse Time (Less ttb Days must be r od with lat W &M Environmental Group 7 -10 Days OLJ Ruses {J 34Oye st LJ�S8P a Address _ - - - Protect Name 906 E. 18th Street Coppell Auto Center — -- City Stale 1 Zip Proptt Location Plan TX I 75074 CoppelL Texas _ Comas Nerve Project 4 PC e Frank Clark 940.002 004 Contact Email Sampler Name Sampler Company fclarka@wh -m.com Brent Vollmar W &M Environmental 11710116 ran Sampler Signature 972 -509 -9611 972 -516 -4145 Send Wa ive To (01186 NOlNnwltfrom @bevy) Melds Codes Special Instructions ' Comprly Neme L • Liquid S - Solid W -Wipes A - Ak Address Presevalion Codes 1. None 4 • KCI City . -. Slate Zip . _ 2 • HNO_ 5 - NaOH please confirm conditional 'vomits poor to additlwlal analysis 3 • r450 6 - Ice Requesied Analysis Contact Name 7 - Other Container Codes Phone Fax P . Plastic G - Glass s jj O - Other i 8 u 6 $ 8 ° e a � OXIDOR ID Sample Info [ i 8 g Customer Sample ID f z EE - _ 1 Dale T,me TS is P u a x � H . z $ O IL a Il�dlly��0 � w u a 3 `u 00 , 1 MW -04 6125110 A L 6 G 6 G ✓ ✓ — 002 z MW -05 q - �d ✓ ✓. 1 ,, ` ' — oc3 3 MW -02 10 :7q ✓ ✓ - ADN ' MW -03 1 1! :V) ✓ ✓ — OO5 6 MW -01 -- — l2 :20 ✓ ✓ — a a 7 ,z t3 14 15 eanco AMialian Dab Time ec .410 Alr8l,Non Data Time x �� fir l/ 6/25/10 /: Qi 0 Re.. rhe4 Dr Aeihston Date Time Reraiv 00y Mash., Dale T.ne x • 141).40 4444 Dr MICawn Date Time rte rM� +000 Dr DNe _ T"vre x "�. y . x-21 •r / 7 r5 'a Submltlel or wgs@ osignifies ,cureence d 001500'0 Stan5on1 Condtwn. 071 -4Y 5222tld1 - Rev. 4.0 OXIDOR cannot accept verbal changes to ma docomere Please lax or ema i wrtten modtic0gn0 Temp at Reliept } .. r °C www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 1 „ Acco = �� Order ID: 1006486 QXID��R Labarataries LLC q44 Date: 7/2 /2010 9 � ` Page 39 of 39 T104704227 -09 -TX Chain of Custody PROJECT DESCRIPTION: Coppell Auto Page 1 of 1 Homer Youngblood From: Horner Youngblood Sent: Tuesday, June 29, 2010 11:38 AM To: CustomerService - Subject: W &M 1006486, 1006487 I spoke with Frank about these orders. He confirmed that they do need an LRC with the results. Homer Youngblood Customer Service Manager OXIDOR Laboratories, LLC 972 -424 -6422 972 -424 -6508 Fax hyounRblood(oxidor.com www.oxidor.com 6/29/2010 www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 OXIDOR Laboratories, LLC Chain of Custody Record al i.... 1825 East Plano Parkway, #160 0\��0 7� A000, y � Plano, TX 75074 -8570 Page of P: 972.424.6422 F. 972.424.6508 '' g;fi: `r customerservice @oxidor.com . Sef3d72$pisit'xsqr:V1"a('r , . _ ''' 4. j'' - .cam <.x, - - , ; t' �7rMIEet41 °1MV3 �`"11117,`# � ;°';��� °'`•'ezriA,_3. Company Name C Requested Around Time (Less th Days must be fied with lab W &M Environmental Group U 7 -10 Days h5 - 7 Days 3= a1Daysf'"'ta';: Address Project Name 906 E. 18th Street Coppell Auto Center City State Zip Project Location Plano TX 75074 Coppell, Texas Contact Name Project # PO # Frank Clark 940.002.004 Contact Email Sampler Name Sampler Company fclarkt wh -m.com Brent Volimar W &M Environmental Phone Fax Sampler Signature 972 - 509 -9611 972- 516 -4145 $e ?6177 ' fizte itIffi abOVef t`? * 7 .w. ' "1 r" " Matrix Codes Special Instructions ` Company Name L - Liquid S - Solid W - Wipes A - Air Address Presevation Codes 1 - None 4 - HCI City State Zip 2 - HNO 5 - NaOH "Please confirm con re•uests •nor to additional anal sis 3 - H 6 - Ice`^ Contact Name 7 - Other r f , x - 'f `" ` " t7 „` � /�x`� , • x ro _ Container Codes Phone Fax P - Plastic G - Glass y ` O - Other • a L a L U � OXIDOR y a- CD m m In o v E a Order ID Sample Info F- . c ? . ° s. Customer Sample ID o c o a s i x U A v E A U = w E E IDO / OTG L / 2 ' � Date Time m `o ` ° o a c7 0 F • U V( 2 n 0_ �? a H x > — C.)49 I 1 MW -04 6/25/10 6 =,5C, L 6 G 6 G 1 1 F7 ? .F7 t ” 7: .. AT,S ? ;rs 7 1-7:31* • _ - - - - -'; i_--7 -:T T,F �� - .FT - = s 1 t a - t . try'_._ x 5. ? -'<., ..$:�,. t ,s $.�';x i< ../ ' "i _ _ +� -! s a r� z r� e .�� 1 003 MW 02 Z� �� 14 7; .7 . t g • 'n tri#• z ' 3 �i�. j s Fr'pxc� C J _ ' __.__ i * " I . • , t , . _. y j I t x' t , ''. • '.",ts 644,., ". 4 .. .,_ , : ' -"�' L. A' `ti,d r ' t. .' 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Temp at Reciept ! - 7 °C OXIDOR Laboratory Review Checklist Cover Page Project Name: 940.002.004 Coppell Auto Coppell, TX OXIDOR Job Number: 1006487 W&M Environmental Group, Inc. This data package consists of: © This signature page, the laboratory review checklist, and the following reportable data: X RI Field chain -of- custody documentation; X R2 Sample identification cross - reference; X R3 Test reports (analytical data sheets) for each environmental sample that includes: a) Items consistent with NELAC 5.13 or ISO /IEC 17025 Section 5.10 b) dilution factors, c) preparation methods, d) cleanup methods, and e) if required for the project, tentatively identified compounds (TICs); © R4 Surrogate recovery data including: a) Calculated recovery ( %R), and _ b) The laboratory's surrogate QC limits; X R5 Test reports /summary forms for blank samples; X R6 Test reports /summary forms for laboratory control samples (LCSs) including: a) LCS spiking amounts, b) Calculated %R for each analyte, and c) The laboratory's LCS QC limits; © R7 Test reports for project matrix spike /matrix spike duplicates (MS /MSDs) including: a) Samples associated with the MS /MSD clearly identified, b) MS /MSD spiking amounts, c) Concentration of each MS /MSD analyte measured in the parent and spiked samples, d) Calculated %Rs and relative percent differences (RPDs), and e) The laboratory's MS /MSD QC limits; R8 Laboratory analytical duplicate (if applicable) recovery and precision: a) the amount of analyte measured in the duplicate, b) the calculated RPD, and _ c) the laboratory's QC limits for analytical duplicates; X R9 List of method quantitation limits (MQLs) for each analyte for each method and matrix; X R10 Other problems or anomalies. © The Exception Report for every "No" or "Not Reviewed (NR)" item in laboratory review checklist. Release Statement: I am responsible for the release of this laboratory data package. This data package has been reviewed by the laboratory and is complete and technically compliant with the requirements of the methods used, except where noted by the laboratory in the attached exception reports. By my signature below, I affirm to the best of my knowledge, all problems /anomalies, observed by the laboratory as having the potential to affect the quality of the data, have been identified by the laboratory in the Laboratory Review Checklist, and no information or data have been knowingly withheld that would affect the quality of the data. wy n Charles Brungardt President July 2, 2010 Name Signature C O Official Title Date LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 1 of 4 1 \, f N. =9 a. 1 Laboratory Review Checklist: Reportable Data Laboratory Name: OXIDOR Laboratories, LLC LRC Date: July 2, 2010 Project Name: 940.002.004 Coppell Auto Laboratory Job Number: 1006487 W &M Environmental Group, Inc. Reviewer Name: James A. Narens, III QC Batch Number(s): See Cross - reference List #' A Description Yes No NA NR ER # RI 01 Chain - of - Custody (C - O - C) Did samples meet the laboratory's standard conditions of sample acceptability upon receipt? X Were al departures from standard conditions described in an exception report? X R2 01 Sample and quality control (QC) identification Are all field sample ID numbers cross - referenced to the laboratory ID numbers? X Are all laboratory ID numbers cross - referenced to the corresponding QC data? X R3 01 Test reports Were all samples prepared and analyzed within holding times? X Other than those results < MDL, were all other raw values bracketed by calibration standards? X Were calculations checked by a peer or supervisor? X Were all analyte identifications checked by a peer or supervisor? X Were sample quantitation limits reported for all analytes not detected? X Were all results for soil and sediment samples reported on a dry weight basis? X Were % moisture (or solids) reported for all soil and sediment samples? X If required for the project, TICs reported? X R4 0 Surrogate recovery data Were surrogates added prior to extraction? X Were surrogate recoveries in all samples within the laboratory QC limits? X RS 01 Test reportsisusmnary forms for Wank samples Were appropriate type(s) of blanks analyzed? X Were blanks analyzed at the required frequency? X Were method blanks taken through the entire analytical process, including preparation and, if X applicable, cleanup procedures? Were blank concentrations < MQL? X R6 UI Laboratory control samples (LCS): Were all COCS included in the LCS? X Was each LCS taken through the entire analytical procedure, including prep and cleanup steps? X Were LCSs analyzed at the required frequency? X Does the detectability data document the laboratory's capability to detect the COCs at the MDL used X to calculate the SQLs? Were LCS (and LCSD, if applicable) %Rs within the laboratory QC limits? X Was the LCSD RPD within QC limits? X R7 01 Matrix spike (MS) and matrix spike duplicate (MSD) data Were the project/method specified analytes included in the MS and MSD? X Were MS /MSD analyzed at the appropriate frequency? X Were MS (and MSD, if applicable) %Rs within the laboratory QC limits? X Were MS /MSD RPDs within laboratory QC limits? X R$ 01 Analytical duplicate data Were appropriate analytical duplicates analyzed for each matrix? X Were analytical duplicates analyzed at the appropriate frequency? X Were RPDs or relative standard deviations within the laboratory QC limits? X R9 01 Method quantitation limits( Mal , Are the MQLs for each method analyte included in the laboratory data package? X Do the MQLs correspond to the concentration of the lowest non -zero calibration standard? X Are unadjusted MQLs included in the laboratory data package? X RIO 01 Other pmbleinsianonsailes Are all known problems /anomalies /special conditions noted in this LRC and ER? X Were all necessary corrective actions performed for the reported data? X Was applicable and available technology used to lower the SQL minimize the matrix interference X affects on the sample results? 1. Items identified by the letter "R" must be included in the laboratory data package submitted in the TRRP - required report(s). Items identified by the letter "S" should be retained and made available upon request for the appropriate retention period. 2. 0 = organic analyses; 1 = inorganic analyses (and general chemistry, when applicable); 3. NA = Not applicable; 4 NR = Not reviewed; 5. ER# = Exception Report identification number (an Exception Report should be completed for an item if "No" or "NR" is checked). LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 2 of 4 Laboratory Review Checklist: Supporting Data Laboratory Name: OXIDOR Laboratories, LLC LRC Date: July 2, 2010 Project Name: 940.002.004 Coppell Auto Laboratory Job Number: 1006487 W &M Environmental Group, Inc. Reviewer Name: James A. Narens, III _QC Batch Number(s): See Cross - reference List #' A Description Yes No NA NR ER # Sl 01 Initial cakbrat n (#CAL) Were response factors and /or relative response factors for each analyte within QC limits? X Were percent RSDs or correlation coefficient criteria met? X Was the number of standards recommended in the method used for all analytes? X Were all points generated between the lowest and highest standard used to calculate the curve? X Are ICAL data available for all instruments used? X Has the initial calibration curve been verified using an appropriate second source standard? X S2 01 Initial and continuing calibration verification (ICCV and CCV) and continuing calibration Was the CCV analyzed at the method required frequency? X Were percent differences for each analyte within the method - required QC limits? X Was the ICAL curve verified for each analyte? X Was the absolute value of the analyte concentration in the inorganic CCB < MDL? X 83 0 Mass spectral tuning: Was the appropriate compound for the method used for tuning? X Were ion abundance data within the method - required QC limits? X S4 0 internal Standards (IS): Were IS area counts and retention times within the method - required QC limits? X 85 01 Raw data ( NELAC section 1 appendix A glossary, and section 5,12 or ISO/IEC 17205 section Were the raw data (for example, chromatograms, spectral data) reviewed by an analyst? X Were data associated with manual integrations flagged on the raw data? X S6 01 Marl column confirmation Did dual column confirmation results meet the method - required QC? X 87 01 'Tentatively identified compounds (Tits): If TICs were requested, were the mass spectra and TIC data subject to appropriate checks? X S8 1 Interference Check Sample (ICS) results - Metals: Were percent recoveries within the method QC limits? X S9 1 Serial dilutions, post digestion spikes, and method of standard addltlons - Metals Were percent differences, recoveries, and the linearity within the QC limits specified in the method? X s1fl cm Method detection limit (MD) studies Was a MDL study performed for each reported analyte? X Is the MDL either adjusted or supported by the analysis of DCSs? X S l 1 01 Proficiency test reports: Was the laboratory's performance acceptable on the applicable proficiency tests or evaluation studies? X S12 01 Standards documentation Are all standards used in the analysis NIST - traceable or obtained from other appropriate sources? X S13 01 Comndlanalyte identification procedures Are the procedures for compound /analyte identification documented? X 814 01 ' Demonstration of analyst competency (DOC) Was DOC conducted consistent with NELAC Chapter 5C or ISO /IEC 4? X Is documentation of the analyst's competency up -to -date and on file? X 815 01 Verification/validation documentation for methods (NELAC Chap 5 or IS01EC 17025 Section 5) Are all methods used to generate the data documented, verified, and validated, where applicable? X S16 01 Laboratory standard operating procedures (SOPS): Are laboratory SOPS current and on file for each method performed? X 1. Items identified by the letter "R" must be included in the laboratory data package submitted in the TRRP- required report(s). Items identified by the letter "S" should be retained and made available upon request for the appropriate retention period 2. 0 = organic analyses; 1 = inorganic analyses (and general chemistry, when applicable); 3. NA = Not applicable; 4. NR = Not reviewed; 5. ER# = Exception Report identification number (an Exception Report should be completed for an item if "No" or "NR" is checked). LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 3 of 4 .err 4:: '�' i ' � � ',; #..t " w ". = ar,rt 9 L Laboratory Review Checklist: Exception Reports Laboratory Name: OXIDOR Laboratories, LLC LRC Date: July 2, 2010 Project Name: 940.002.004 Coppell Auto Laboratory Job Number: 1006487 W&M Environmental Group, Inc. Reviewer Name: James A. Narens, III QC Batch Number(s): See Cross - reference List ER#' DESCRIPTION • 1 ER# = Exception Report identification number (an Exception Report should be completed for an item if "No" or "NR" is checked on the LRC) LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 4 of 4 CO AC ", s, Order ID: 1006487 ' F . Q1�,InoR Laboratories, Date: 7/2/2010 1.b,,. w `` Y om; 4 n M f .[ Page 1 of 13 T104704227 -09 -TX Friday, July 02, 2010 W &M Environmental Group, Inc. Frank Clark 906 E. 18th, Suite 100 Plano, TX 75074 Tel: (214) 369 -2500 Fax: (972) 516 -4145 Re: Project Name: Coppell Auto Project Number: 940.002.004 Project Location: Coppell, TX Oxidor received 6 liquid sample(s). The analysis performed were as follows: Sample Sample ID Matrix Collected Analysis 1006487 -001 MW -04 Liquid 6/25/2010 08:56 Arsenic, Lead 1006487 -002 MW -05 Liquid 6/25/2010 09:40 Arsenic, Lead 1006487 -003 MW -02 Liquid 6/25/2010 10:24 Arsenic, Lead 1006487 -004 MW -03 Liquid 6/25/2010 11:20 Arsenic, Lead 1006487 -005 MW -01 Liquid 6/25/2010 12:20 Arsenic, Lead 1006487 -006 Dup 1 Liquid 6/25/2010 Arsenic, Lead Respectfully submitted, CR_ / Charles Brungardt President www. OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 N ACCo , s, Order ID: 1006487 �..JXIf Laboratories, ��1�� u Date. 7 /2/2010 Page 2of13 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -04 Oxidor Sample ID: 1006487 -001 Matrix: Liquid Sample Received: 6/25/2010 Sample Collected: 6/25/2010 08:56 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Metals Digested by method 3005A on 06/28/10 at 10:20 Arsenic 0.005 0.005 ND mg /L 06/29/10 22:07 6020 K.O. Lead 0.005 0.005 ND mg /L 06/29/10 22:07 6020 K.O. www OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax. (972) 424 -6508 &cC � � 0.4 �O Order ID: 1006487 OXIDOR Laboratories, it ;3. ✓ F Date: 7/2/2010 +� i Page 3 of 13 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -05 Oxidor Sample ID: 1006487 -002 Matrix: Liquid Sample Received: 6/25/2010 Sample Collected: 6/25/2010 09:40 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Metals Digested by method 3005A on 06/28/10 at 10:20 Arsenic 0.005 0.005 ND mg /L 06/29/10 22:30 6020 K.O. Lead 0.005 0.005 ND mg /L 06/29/10 22:30 6020 K.O. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 acc (� TT T i T r �t " ° Order ID: 1006487 ..� O xIDoR LaLoraforics, 1�1�il Date: 7/2/2010 '-* x ® it ! ` Page 4 of 13 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -02 Oxidor Sample ID: 1006487 -003 Matrix: Liquid Sample Received: 6/25/2010 Sample Collected: 6/25/2010 10:24 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Metals Digested by method 3005A on 06/28/10 at 10:20 Arsenic 0.005 0.005 ND mg /L 06/29/10 22:36 6020 K.O. Lead 0.005 0.005 ND mg /L 06/29/10 22:36 6020 K.O. wv✓w.OXIDOR.com • 1825 E. Plano Parkway 4160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Order ID: 1006487 Date: 7 /2/2010 . 'r 1(_'° ' 1 Page 5 of 13 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW - Oxidor Sample ID: 1006487 -004 Matrix: Liquid Sample Received: 6/25/2010 Sample Collected: 6/25/2010 11:20 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Metals Digested by method 3005A on 06 /28/10 at 10.20 Arsenic 0.005 0.005 0.006 mg /L 06/29/10 22:42 6020 K.O. Lead 0.005 0.005 0.006 mg /L 06/29/10 22:42 6020 K.O. www. OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel (972) 424 -6422 • Fax (972) 424 -6508 c c uq4' Order ID: 1006487 ,... , . :' p , > , ` i !tithe Date: 7 /2/2010 Page 6 of 13 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: MW -01 Oxidor Sample ID: 1006487 -005 Matrix: Liquid Sample Received: 6/25/2010 Sample Collected: 6/25/2010 12:20 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Metals Digested by method 3005A on 06/28/10 at 10:20 Arsenic 0.005 0.005 0.006 mg /L 06/29/10 22:59 6020 K.O. Lead 0.005 0.005 0.010 mg /L 06/29/10 22:59 6020 K.O. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Amine; �° ° s y Order ID: 1006487 Date: 7/2/2010 OXIDOR Laboratories, LLC 4 U � �. � t r" 4 ` °" i Page 7 of 13 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Customer Sample ID: Dup 1 Oxidor Sample ID: 1006487 -006 Matrix: Liquid Sample Received: 6/25/2010 Sample Collected: 6/25/2010 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Metals Digested by method 3005A on 06/28/10 at 10:20 Arsenic 0.005 0.005 ND mg /L 06/29/10 23:05 6020 K.O. Lead 0.005 0.005 0.006 mg /L 06/29/10 23:05 6020 K.O. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 N ACCp ('� T p T i T 1�1..r ,¢ kO /y Order ID: 1006487 #""'►■ ClxI Laboratories, �� ?Q Date. 7/2/2010 _.. U i , Page 8of13 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Sample Cross Reference Project Name: Coppell Auto Customer ID: Lab ID: Test Method QCBatchID: MW -04 1006487 -001 Lead 6020 META_06730_L Arsenic 6020 META 06730 L MW -05 1006487 -002 Lead 6020 META06730_L Arsenic 6020 META 06730 L MW -02 1006487 -003 Lead 6020 META_06730_L Arsenic 6020 META 06730 L MW -03 1006487 -004 Lead 6020 META06730_L Arsenic 6020 META 06730 L MW -01 1006487 -005 Lead 6020 META_06730_L Arsenic 6020 META 06730 L Dup 1 1006487 -006 Lead 6020 META_06730_L Arsenic 6020 META 06730 L www OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ,H ACC �J ,� U s, Order ID: 1006487 XIDOR La bora torics, LLC ,: , Date: 7/2/2010 t S f ri Page 9 of 13 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD META_06730_L Blank Arsenic ND mg /L Lead ND mg /L LCS Arsenic 0.102 mg /L 0.1 mg /L 103% 85 -115% Lead 0.100 mg /L 0.1 mg /L 100% 85 -115% LCSD Arsenic 0.104 mg /L 0.1 mg /L 104% 85 -115% 1.6% 0 -20% Lead 0.100 mg /L 0.1 mg /L 100% 85 -115% 0.2% 0 -20% MS Arsenic 0.510 mg /L ND 0.5 mg /L 102% 80 -120% Lead 0.502 mg /L ND 0.5 mg /L 100% 80 -120% MSD Arsenic 0.511 mg /L ND 0.5 mg /L 102% 80 -120% 0.3% 0 -20% Lead 0.501 mg /L ND 0.5 mg /L 100% 80- 120% 0.2% 0 -20% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Acc s Order ID: 1006487 ll TT TT Laboratories, TT ! �` Date: 7/2/2010 Q` JDOR Laboratories, LL e - s .,'� Page 10 of 13 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Case Narrative Project Name: Coppell Auto ppm Parts per million = mg /Kg or mg /L ppb Parts per billion = ug /Kg or ug /L MQL Method quantitation limit SDL Sample detection limit (reflects any laboratory adjustments made to the sample during analysis such as dry weight or dilutions) SQL Sample quantitation limit (reflects any laboratory adjustments made to the sample during analysis such as dry weight or dilution ND Analyte not detected at or above SQL LCS /LCSD Laboratory control spike / Laboratory control spike duplicate MS /MSD Matrix spike / Matrix spike duplicate RPD Relative percent difference Sub Analysis performed by subcontract laboratory Solid sample results reported on a dry weight basis for all applicable analysis, unless otherwise noted. Dry weight calculations based upon % solids obtained as outlined in EPA method 5035 section 7.5 This report is intended only for the use of W &M Environmental Group, Inc. and may contain information that is privileged and confidential. It may not be reproduced in full (or in part) without the expressed written permission of W &M Environmental Group, Inc. and Oxidor Laboratories, LLC. Oxidor Laboratories, LLC certifies to the best of its knowledge that all results contained in this report are consistent with the National Environmental Laboratory Accreditation Program, except where otherwise noted. www OXIDOR.com • 1825 E. Plano Parkway //160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 x Accp °�� Order ID: 1006487 Date: 7/2/2010 AIME 0 I DOR Laboratories, U • 1. i Page 11of13 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Sample Preservation Verification Project Name: Coppell Auto Receipt temp: 5.4 °C on Ice All applicable VOA's received free of headspace: N/A Receipt method: Client Custody seal intact: Not Present All samples / labels received intact: Yes Customer Sample ID: MW -04 Collected By: Brent Vollmar Oxidor Sample ID: 1006487 -001 Collector Affiliation: W &M Environmental Group, Inc. Collected: 06/25/10 08:56 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation pH 500 mL Plastic 1 Grab HNO3 <2 Customer Sample ID: MW -05 Collected By: Brent Vollmar Oxidor Sample ID: 1006487 -002 Collector Affiliation: W &M Environmental Group, Inc. Collected: 06/25/10 09:40 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation �H 500 mL Plastic 1 Grab HNO3 <2 Customer Sample ID: MW -02 Collected By: Brent Vollmar Oxidor Sample ID: 1006487 -003 Collector Affiliation: W &M Environmental Group, Inc. Collected: 06/25/10 10:24 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation al 500 mL Plastic 1 Grab HNO3 <2 Customer Sample ID: MW -03 Collected By: Brent Vollmar Oxidor Sample ID: 1006487 -004 Collector Affiliation: W &M Environmental Group, Inc. Collected: 06/25/10 11:20 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation al 500 mL Plastic 1 Grab HNO3 <2 Customer Sample ID: MW -01 Collected By: Brent Vollmar Oxidor Sample ID: 1006487 -005 Collector Affiliation: W &M Environmental Group, Inc. Collected: 06/25/10 12:20 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation al 500 mL Plastic 1 Grab HNO3 <2 www.OXIDOR.com • 1825 E. Piano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 \x ACCD � ,* kO S y Order ID: 1006487 IXJ DOR Laboratories, "IC Date:7 /2/2010 e Page 12 of 13 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Sample Preservation Verification Project Name: Coppell Auto Customer Sample ID: Dup 1 Collected By: Brent Vollmer Oxidor Sample ID: 1006487 -006 Collector Affiliation: W &M Environmental Group, Inc. Collected: 06/25/10 Matrix: Liquid Indicated Bottle Tvpe Count Collection Method Parts / Interval Preservation al 500 mL Plastic 1 Grab HNO3 <2 Sample conditions at time of receipt at laboratory verified in part or in whole by: L.J. www.OXIDOR.com • 1825 F Plano Parkway 4160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax. (972) 424 -6508 K ATCo � ^� i T T Laboratories, T T � y " i r Order ID: 1006487 ). \11��.�1� 1�1� ~ c p r ,_ ., Date: 7/2/2010 . ", 4 s i r do 1 ,r , s Page 13 of 13 T104704227 -09 -TX Chain of Custody PROJECT DESCRIPTION: Coppell Auto C)XfnoR LR11otai01 I.I -C Chain of Custody Record 1825 East Plane Parkway, 7160 `e 1 cep 41::: Pane. TX 75074 -8570 ` Page of P 972 424 6422 F 972 424 6508 < , c,lstom {c�im e�servlce. dor.com Swat RpartTo Project l Rpat IAormdlon Company Name Cf[ Requas ddj g11 Around T lme (Less Ihap� Days must he,,�tJeLl(,,I5ed wwall lati W &M Environmental Group -_ 00 57Daya Rustt ❑ 3-4 Ix osy� IJAW Address PI0iSCt Name 906 E 18th Street Coppell Auto Center City State Y p proiea Locatat Plano TX - 75074_ Coppell, T exas Con'ac1 Name Project 4 F04 Frank Clark 940.002. _- ..._._ Contact Email _._ Sampler Name sampler company fclark(a@wh -m,com Brent Vollmar W &M Environmental _ Plane Fax Sampler Signature 972- 509 -9611 972 - 516 -4145 pad Invoice To Mr*Y *Mewl (Ian Wow) AWtnx Codes Special Instructions' Company Name L • knead S - Seed W - Woes A.Air Address Presevaho Codes 1 -None 4 -561 City 'Stale Zip 2 - HNC, 5 - Na OH 'Please confirm conditional reouests prior to additional 4140 VSre 3 - H,SO. 6 - Ice Analysis Comas Name -.. . - --- 7. Other RdQlrlei� , Container Coles Phode Fax P - Plastic G • Glass 5 O. Other t 4 Ff r OXIDOR I 0 1 Sample Info e e7 - ° Order D v Customer Sample ID 3 - o E ` y f A h(p4g7 Dale tim E . u a v o o. .2 _, c 1 MW -04 6/25/10 t =5‘, L 6 c 6 3 ✓ ■ 2 MW 9.4'O V — 003 3 MW -02 / Zy ✓ —Dm 4 MW-03 (1: 7o ✓ —ooh MW -01 , 2 ?a ✓ 'l ---- - - - - -- 7 e 10 12 — 13 1• 15 '''X rtrau�snxe A/w(o+ Da'! T' '',7 vetl tlt Atalawn Data 'rime i v •-- 6/25/10 me ! 92P, % Rala,goieeed OY ottaaaon Dare 'here A •atop O. Time X Re. rpboned tly Maw. Oat. Tirw =O %IpOA' y Dale Tem Submittal of samples stan•es acceplance of OXIDOfl s Std are Teme and CnnalOrs 0 A' -4� (( [� 5:1 - Rev 4 8 OXIDOR cannot accept verbal Changes to this document Pleas! laa or email wrltlen modifications 7enp a1 Rec'lem a) e 7 °C vsww OXIDOR com • 1825 E. Plano Parkway 4160 • Plano, TX 75074 • Tel (972) 424 -6422 • Fax (972) 424 -6508 : ON 1 )1 ., ' z l:ol l+: , 1.1,C OXIDOR Laboratory Review Checklist Cover Page Project Name: 940.002.005 Coppell Auto Center Coppell, Texas OXIDOR Job Number: 1009509 W&M Environmental Group, Inc. This data package consists of: © This signature page, the laboratory review checklist, and the following reportable data: X R1 Field chain -of- custody documentation; X R2 Sample identification cross - reference; X R3 Test reports (analytical data sheets) for each environmental sample that includes: a) Items consistent with NELAC 5.13 or ISO /IEC 17025 Section 5.10 b) dilution factors, c) preparation methods, d) cleanup methods, and e) if required for the project, tentatively identified compounds (TICs); © R4 Surrogate recovery data including: a) Calculated recovery ( %R), and _ b) The laboratory's surrogate QC limits; X R5 Test reports /summary forms for blank samples; X R6 Test reports /summary forms for laboratory control samples (LCSs) including: a) LCS spiking amounts, b) Calculated %R for each analyte, and c) The laboratory's LCS QC limits; © R7 Test reports for project matrix spike /matrix spike duplicates (MS /MSDs) including: a) Samples associated with the MS /MSD clearly identified, b) MS /MSD spiking amounts, c) Concentration of each MS /MSD analyte measured in the parent and spiked samples, d) Calculated %Rs and relative percent differences (RPDs), and e) The laboratory's MS /MSD QC limits; © R8 Laboratory analytical duplicate (if applicable) recovery and precision: a) the amount of analyte measured in the duplicate, b) the calculated RPD, and _ c) the laboratory's QC limits for analytical duplicates; X R9 List of method quantitation limits (MQLs) for each analyte for each method and matrix; X R10 Other problems or anomalies. © The Exception Report for every "No" or "Not Reviewed (NR)" item in laboratory review checklist. Release Statement: I am responsible for the release of this laboratory data package. This data package has been reviewed by the laboratory and is complete and technically compliant with the requirements of the methods used, except where noted by the laboratory in the attached exception reports. By my signature below, I affirm to the best of my knowledge, all problems /anomalies, observed by the laboratory as having the potential to affect the quality of the data, have been identified by the laboratory in the Laboratory Review Checklist, and no information or data have been knowingly withheld that would affect the quality of the data. Charles Brungardt (D- J President September 29, 2010 Name Signature k C Official Title Date LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 1 of 4 UMNIIIIIIMitimem ON 11 V .,,L{ )i torit+ , LLC Laboratory Review Checklist: Reportable Data Laboratory Name: OXIDOR Laboratories, LLC LRC Date: September 29, 2010 Project Name: 940.002.005 Coppell Auto Center Laboratory Job Number: 1009509 W &M Environmental Group, Inc. Reviewer Name: James A. Narens, III QC Batch Number(s): See Cross - reference List #' A Description Yes No NA NR ER # RI 01 Chain -of- Custody (C -O-C) Did samples meet the laboratory's standard conditions of sample acceptability upon receipt? X Were all departures from standard conditions described in an exception report? X R2 01 Sample and quality control (QC) identification Are all field sample ID numbers cross - referenced to the laboratory ID numbers? X Are all laboratory ID numbers cross - referenced to the corresponding QC data? X R3 01 Test reports Were all samples prepared and analyzed within holding times? X Other than those results < MDL, were all other raw values bracketed by calibration standards? X Were calculations checked by a peer or supervisor? X Were all analyte identifications checked by a peer or supervisor? X Were sample quantitation limits reported for all analytes not detected? X Were all results for soil and sediment samples reported on a dry weight basis? X Were % moisture (or solids) reported for all soil and sediment samples? X If required for the project, TICs reported? X R4 0 Surrogate recovery data Were surrogates added prior to extraction? X Were surrogate recoveries in all samples within the laboratory QC limits? X ER #1 R5 01 Test reports/summary forms for blank samples Were appropriate type(s) of blanks analyzed? X Were blanks analyzed at the required frequency? X Were method blanks taken through the entire analytical process, including preparation and, if X applicable, cleanup procedures? Were blank concentrations < MQL? X R6 01 Laboratory control samples (LCS): Were all COCs included in the LCS? X Was each LCS taken through the entire analytical procedure, including prep and cleanup steps? X Were LCSs analyzed at the required frequency? X Does the detectability data document the laboratory's capability to detect the COCs at the MDL used X to calculate the SQLs? Were LCS (and LCSD, if applicable) %Rs within the laboratory QC limits? X Was the LCSD RPD within QC limits? X R7 01 Matrix spike (MS) and matrix spike duplicate (MSD) data Were the project/method specified analytes included in the MS and MSD? X Were MS /MSD analyzed at the appropriate frequency? X Were MS (and MSD, if applicable) %Rs within the laboratory QC limits? X Were MS /MSD RPDs within laboratory QC limits? X R8 01 Analytical duplicate data Were appropriate analytical duplicates analyzed for each matrix? X Were analytical duplicates analyzed at the appropriate frequency? X Were RPDs or relative standard deviations within the laboratory QC limits? X , R9 01 Method quantSation limits( MQLs); Are the MQLs for each method analyte included in the laboratory data package? X Do the MQLs correspond to the concentration of the lowest non -zero calibration standard? X Are unadjusted MQLs included in the laboratory data package? X RIO 01 Other problems/anomalies Are all known problems /anomalies /special conditions noted in this LRC and ER? X Were all necessary corrective actions performed for the reported data? X Was applicable and available technology used to lower the SQL minimize the matrix interference X affects on the sample results? 1 Items identified by the letter "R" must be included in the laboratory data package submitted in the TRRP- required report(s). Items identified by the letter "S" should be retained and made available upon request for the appropriate retention period. 2. 0 = organic analyses; 1 = inorganic analyses (and general chemistry, when applicable); 3. NA = Not applicable; 4. NR = Not reviewed; 5 ER# = Exception Report identification number (an Exception Report should be completed for an item if "No" or "NR" is checked). LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 2 of 4 X1 1,:1El+, rito1`It'S.. L1 ' Laboratory Review Checklist: Exception Reports ' aboratory Name: OXIDOR Laboratories, LLC LRC Date: September 29, 2010 roject Name: 940.002.005 Coppell Auto Center Laboratory Job Number: 1009509 W &M Environmental Group, Inc. Reviewer Name: James A. Narens, III QC Batch Number(s): See Cross - reference List ER#' DESCRIPTION ER #1 TPH surrogate percent recovery of 1- Chlorooctane for Oxidor Sample ID 1009509 -004 was slightly above Oxidor QC limits. 1. ER# = Exception Report identification number (an Exception Report should be completed for an item if "No" or "NR" is checked on the LRC) LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 4 of 4 ��rr�` j LLC Order ID: 1009509 OxJD�^ �r .L Cdr itoY'i(�5., LL . Date: 9/29/2010 Page 1 of 34 T104704227 -10 -4 Wednesday, September 29, 2010 W &M Environmental Group, Inc. Frank Clark 906 E. 18th, Suite 100 Plano, TX 75074 Tel: (214) 369 -2500 Fax: (972) 516 -4145 Re: Project Name: Coppell Auto Center Project Number: 940.002.005 Project Location: Coppell, Texas Oxidor received 7 liquid sample(s). The analysis performed were as follows: Sample Sample ID Matrix Collected Analysis 1009509 -001 MW -04 Liquid 9/22/2010 09:44 Total Petroleum Hydrocarbons, Volatile Organic Compounds 1009509 -002 MW -05 Liquid 9/22/2010 10:30 Total Petroleum Hydrocarbons, Volatile Organic Compounds 1009509 -003 MW -02 Liquid 9/22/2010 11:13 Total Petroleum Hydrocarbons, Volatile Organic Compounds 1009509 -004 MW -03 Liquid 9/22/2010 12:23 Total Petroleum Hydrocarbons, Volatile Organic Compounds 1009509 -005 MW -01 Liquid 9/22/2010 12:59 Total Petroleum Hydrocarbons, Volatile Organic Compounds 1009509 -006 Dup -1 Liquid 9/22/2010 Total Petroleum Hydrocarbons, Volatile Organic Compounds 1009509 -007 Trip Blank Liquid 9/22/2010 Volatile Organic Compounds Respectfully submitted, ei 2 /2 Charles Brungardt President ( f J www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Vt ; ,' C Order ID: 1009509 a.. OXIDOR' Laboratorie LLC J 1_ Date: 9/29/2010 °" Page 3 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: MW -04 Oxidor Sample ID: 1009509 -001 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Dibromochloromethane 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Dibromomethane 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Dichlorodifluoromethane 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Ethylbenzene 5 5.0 ND pg /L 09/23/1020:33 8260B V.D.L. Hexachlorobutadiene 4 4.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Isopropylbenzene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. m,p- Xylene 10 10.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Methylene Chloride 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. MTBE 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. N- butylbenzene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. N- propylbenzene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Naphthalene 10 10.0 ND pg /L 09/23/10 20:33 8260B V.D.L. o- Xylene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. p- Isopropyltoluene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Sec - butylbenzene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Styrene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Tert- butylbenzene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Tetrachloroethene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Toluene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Trans -1,2- dichloroethene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Trans -1,3- dichloropropene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Trichloroethene 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Trichlorofluoromethane 5 5.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Vinyl Chloride 2 2.0 ND pg /L 09/23/10 20:33 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Dibromofluoromethane 54.4 pg /L 50 pg /L 109% 86 -118% 1,2 Dichloroethane -d4 55.7 pg /L 50 pg /L 111% 80 -120% Toluene -d8 52.0 pg /L 50 pg /L 104% 88 -117% 4- Bromofluorobenzene 52.5 pg /L 50 pg /L 105% 86 -115% Total Petroleum Hydrocarbons Prepared by method TX 1005 on 09/23/10 at 10.00 TPH (C 6 to C12) 5 5.00 ND mg /L 09/23/10 16:05 TX 1005 T.N. TPH (C12 to C28) 5 5.00 ND mg /L 09/23/10 16:05 TX 1005 T.N. TPH (C28 to C35) 5 5.00 ND mg /L 09/23/10 16:05 TX 1005 T.N. TPH (C6 to C35) 5 5.00 ND mg /L 09/23/10 16:05 TX 1005 T.N. 'urrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 56.3 mg /L 50 mg /L 113% 70 -130% o- Terphenyl 54.3 mg /L 50 mg /L 109% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 4f t G4. Order ID: 1009509 `•` XJDOR Labor atories LLC _ Date: 9/29/2010 IIIIIIIINftworafss L ' 0 t Page 4 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: MW -05 Oxidor Sample ID: 1009509 -002 Matrix: Liquid Sample Received: 9/22/2010 Sample Collected: 9/22/2010 10:30 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. 1,1,1 - Trichloroethane 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. 1,1,2,2 - Tetrachloroethane 4 4.0 ND pg /L 09/23/1021:01 8260B V.D.L. 1,1,2 - Trichloroethane 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. 1,1- Dichloroethane 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. 1,1- Dichloroethene 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. 1,1- Dichloropropene 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. 1,2,3 - Trichlorobenzene 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. 1,2,3 - Trichloropropane 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. 1,2,4 - Trichlorobenzene 5 5.0 ND pg /L 09/23/10 21:01 82608 V.D.L. 1,2,4 - Trimethylbenzene 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. 1,2- Dibromo -3- 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. chloropropane 1,2- Dibromoethane 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. 1,2- Dichlorobenzene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. 1,2- Dichloroethane 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. 1,2- Dichloropropane 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. 1,3,5 - Trimethylbenzene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. 1,3- Dichlorobenzene 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. 1,3- Dichloropropane 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. 1,4- Dichlorobenzene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. 2,2- Dichloropropane 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. 2- Butanone 10 10.0 ND pg /L 09/23/10 21:01 82606 V.D.L. 2- Chlorotoluene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. 2- Hexanone 10 10.0 ND pg /L 09/23/10 21:01 8260B V.D.L. 4- Chlorotoluene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. 4- Methyl -2- pentanone 10 10.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Acetonitrile 50 50.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Acrylonitrile 10 10.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Benzene 5 5.0 ND pg /L 09/23/10 21:01 82606 V.D.L. Bromobenzene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Bromochloromethane 5 5.0 ND pg /L 09/23/10 21:01 82606 V.D.L. Bromodichloromethane 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Bromoform 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Bromomethane 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Carbon Tetrachloride 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Chlorobenzene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Chloroethane 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Chloroform 5 5.0 ND pg /L 09/23/10 21:01 82606 V.D.L. Chloromethane 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Cis -1,2- dichloroethene 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424-6422 • Fax: (972) 424 -6508 . Acct, Laboratories LLC „ -� Order ID: 1009509 milloomis mow low wwp ' .� .� , L�l.� �` �, ,. � _ Date. 9/29/2010 ., �" .. J y Page 5 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: MW -05 Oxidor Sample ID: 1009509 -002 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. Dibromochloromethane 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Dibromomethane 5 5.0 ND pg /L 09/23/10 21:01 82608 V.D.L. Dichlorodifluoromethane 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Ethylbenzene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Hexachlorobutadiene 4 4.0 ND pg /L 09/23/1021:01 8260B V.D.L. Isopropylbenzene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. m,p- Xylene 10 10.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Methylene Chloride 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. MTBE 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. N- butylbenzene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. N- propylbenzene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Naphthalene 10 10.0 ND pg /L 09/23/10 21:01 8260B V.D.L. o- Xylene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. p- Isopropyltoluene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Sec - butylbenzene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Styrene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Tert - butylbenzene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Tetrachloroethene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Toluene 5 5.0 ND pg /L 09/23/10 21:01 82606 V.D.L. Trans -1,2- dichloroethene 5 5.0 ND pg /L 09/23/1021:01 8260B V.D.L. Trans -1,3- dichloropropene 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Trichloroethene 5 5.0 ND pg /L 09/23/10 21:01 82608 V.D.L. Trichlorofluoromethane 5 5.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Vinyl Chloride 2 2.0 ND pg /L 09/23/10 21:01 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Dibromofluoromethane 54.6 pg /L 50 pg /L 109% 86 -118% 1,2 Dichloroethane -d4 56.0 pg /L 50 pg /L 112% 80 -120% Toluene -d8 52.0 pg /L 50 pg /L 104% 88 -117% 4- Bromofluorobenzene 53.6 pg /L 50 pg /L 107% 86 -115% Total Petroleum Hydrocarbons Prepared by method IX 1005 on 09/23/10 at 10 00 TPH (C 6 to C12) 5 5.00 ND mg /L 09/23/10 18:33 TX 1005 T.N. TPH (C12 to C28) 5 5.00 ND mg /L 09/23/10 18:33 TX 1005 T.N. TPH (C28 to C35) 5 5.00 ND mg /L 09/23/10 18:33 TX 1005 T.N. TPH (C6 to C35) 5 5.00 ND mg /L 09/23/10 18:33 TX 1005 T.N. 'urrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 54.7 mg /L 50 mg /L 109% 70 -130% o- Terphenyl 53.3 mg /L 50 mg /L 107% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 nt G G Order ID: 1009509 = "` OXIIN.DR Laboratories , LL�� Date: 9/29/2010 _, r01. . 1 Page 6 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: MW -02 Oxidor Sample ID: 1009509 -003 Matrix: Liquid Sample Received: 9/22/2010 Sample Collected: 9/22/2010 11:13 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,1,1 - Trichloroethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,1,2,2 - Tetrachloroethane 4 4.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,1,2 - Trichloroethane 5 5.0 ND pg /L 09/24/1001:11 8260B V.D.L. 1,1- Dichloroethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,1- Dichloroethene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,1- Dichloropropene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,2,3 - Trichlorobenzene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,2,3 - Trichloropropane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,2,4 - Trichlorobenzene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,2,4 - Trimethylbenzene 5 5.0 149 pg /L 09/24/10 01:11 8260B V.D.L. 1,2- Dibromo -3- 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. chloropropane 1,2- Dibromoethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,2- Dichlorobenzene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,2- Dichloroethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,2- Dichloropropane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,3,5 - Trimethylbenzene 5 5.0 35.1 pg /L 09/24/10 01:11 8260B V.D.L. 1,3- Dichlorobenzene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 1,3- Dichloropropane 5 5.0 ND pg /L 09/24/1001:11 8260B V.D.L. 1,4- Dichlorobenzene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 2,2- Dichloropropane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 2- Butanone 10 10.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 2- Chlorotoluene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 2- Hexanone 10 10.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 4- Chlorotoluene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. 4- Methyl -2- pentanone 10 10.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Acetonitrile 50 50.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Acrylonitrile 10 10.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Benzene 5 5.0 37.7 pg /L 09/24/10 01:11 8260B V.D.L. Bromobenzene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Bromochloromethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Bromodichloromethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Bromoform 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Bromomethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Carbon Tetrachloride 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Chlorobenzene 5 5.0 ND pg /L 09/24/10 01:11 82608 V.D.L. Chloroethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Chloroform 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Chloromethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Cis -1,2- dichloroethene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 _ �% Order ID: 1009509 al OXIDOR Laboratories, LLC 4 8 _ Date: 9/29/2010 � ' W .' Page7of34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: MW -02 Oxidor Sample ID: 1009509 -003 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Dibromochloromethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Dibromomethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Dichlorodifluoromethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Ethyl benzene 5 50.0 302 pg /L 09/23/10 23:20 8260B V.D.L. D -1 Hexachlorobutadiene 4 4.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Isopropylbenzene 5 5.0 42.6 pg /L 09/24/10 01:11 8260B V.D.L. m,p- Xylene 10 10.0 209 pg /L 09/24/10 01:11 8260B V.D.L. Methylene Chloride 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. MTBE 5 5.0 14.2 pg /L 09/24/10 01:11 8260B V.D.L. N- butylbenzene 5 5.0 40.3 pg /L 09/24/10 01:11 8260B V.D.L. N- propylbenzene 5 5.0 163 pg /L 09/24/10 01:11 8260B V.D.L. Naphthalene 10 100 330 pg /L 09/23/10 23:20 8260B V.D.L. D -1 o- Xylene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. p- Isopropyltoluene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Sec - butylbenzene 5 5.0 27.6 pg /L 09/24/10 01:11 8260B V.D.L. Styrene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Tert- butylbenzene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Tetrachloroethene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Toluene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Trans- 1,2- dichloroethene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Trans -1,3- dichloropropene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Trichloroethene 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Trichlorofluoromethane 5 5.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Vinyl Chloride 2 2.0 ND pg /L 09/24/10 01:11 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Date Analyzed: 09/24/10 1:11 Analyst: V.D.L. Dibromofluoromethane 52.0 pg /L 50 pg /L 104% 86 -118% 1,2 Dichloroethane -d4 53.2 pg /L 50 pg /L 106% 80 -120% Toluene -d8 50.9 pg /L 50 pg /L 102% 88 -117% 4- Bromofluorobenzene 51.4 pg /L 50 pg /L 103% 86 -115% Date Analyzed: 09/23/10 23:20 Analyst: V.D.L. Dibromofluoromethane 53.4 pg /L 50 pg /L 107% 86 -118% 1,2 Dichloroethane -d4 55.4 pg /L 50 pg /L 111% 80 -120% Toluene -d8 52.6 pg /L 50 pg /L 105% 88 -117% 4- Bromofluorobenzene 52.8 pg /L 50 pg /L 106% 86 -115% 'otal Petroleum Hydrocarbons Prepared by method TX 1005 on 09/23/10 at 10 00 TPH (C 6 to C12) 5 5.00 5.47 mg /L 09/23/10 19:23 TX 1005 T.N. TPH (C12 to C28) 5 5.00 ND mg /L 09/23/10 19:23 TX 1005 T.N. TPH (C28 to C35) 5 5.00 ND mg /L 09/23/10 19:23 TX 1005 T.N. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • TeL (972) 424 -6422 • Fax: (972) 424 -6508 Act•;;,_ Order ID: 1009509 ..... ,, i .N.4 c , , LL a 'F' Date: 9/29/2010 :_ Page 9 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: MW -03 Oxidor Sample ID: 1009509 -004 Matrix: Liquid Sample Received: 9/22/2010 Sample Collected: 9/22/2010 12:23 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 5.0 ND pg /L 09/24/1001:39 8260B V.D.L. 1,1,1 - Trichloroethane 5 5.0 ND pg /L 09/24/1001:39 8260B V.D.L. 1,1,2,2 - Tetrachloroethane 4 4.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 1,1,2 - Trichloroethane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 1,1- Dichloroethane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 1,1- Dichloroethene 5 5.0 ND pg /L 09/24/1001:39 8260B V.D.L. 1,1- Dichloropropene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 1,2,3 - Trichlorobenzene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 1,2,3 - Trichloropropane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 1,2,4 - Trichlorobenzene 5 5.0 ND pg /L 09/24/1001:39 8260B V.D.L. 1,2,4 - Trimethylbenzene 5 50.0 1450 pg /L 09/23/10 23:48 8260B V.D.L. D -1 1,2- Dibromo -3- 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. chloropropane 1,2- Dibromoethane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 1,2- Dichlorobenzene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 1,2- Dichloroethane 5 5.0 ND pg /L 09/24/1001:39 8260B V.D.L. 1,2- Dichloropropane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 1,3,5 - Trimethylbenzene 5 50.0 406 pg /L 09/23/10 23:48 8260B V.D.L. D -1 1,3- Dichlorobenzene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 1,3- Dichloropropane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 1,4- Dichlorobenzene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 2,2- Dichloropropane 5 5.0 ND pg /L 09/24/10 01:39 82606 V.D.L. 2- Butanone 10 10.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 2- Chlorotoluene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 2- Hexanone 10 10.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 4- Chlorotoluene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. 4- Methyl -2- pentanone 10 10.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Acetonitrile 50 50.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Acrylonitrile 10 10.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Benzene 5 50.0 1510 pg /L 09/23/10 23:48 8260B V.D.L. D -1 Bromobenzene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Bromochloromethane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Bromodichloromethane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Bromoform 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Bromomethane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Carbon Tetrachloride 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Chlorobenzene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Chloroethane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Chloroform 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Chloromethane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Cis -1,2- dichloroethene 5 5.0 ND pg /L 09/24/10 01:39 82608 V.D.L. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 , Ar 40.9,, _ T ,�.,, :� Order ID: 1009509 XIL OK L aboratories, LLC ,. Date: 9/29/2010 " Page 10 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: MW -03 Oxidor Sample ID: 1009509 -004 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Dibromochloromethane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Dibromomethane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Dichlorodifluoromethane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Ethylbenzene 5 50.0 1730 pg /L 09/23/10 23:48 8260B V.D.L. D -1 Hexachlorobutadiene 4 4.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Isopropylbenzene 5 5.0 118 pg /L 09/24/10 01:39 82608 V.D.L. m,p- Xylene 10 100 2010 pg /L 09/23/10 23:48 8260B V.D.L. D -1 Methylene Chloride 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. MTBE 5 50.0 918 pg /L 09/23/10 23:48 8260B V.D.L. D -1 N- butylbenzene 5 5.0 90.9 pg /L 09/24/10 01:39 8260B V.D.L. N- propylbenzene 5 50.0 403 pg /L 09/23/10 23:48 8260B V.D.L. D -1 Naphthalene 10 100 946 pg /L 09/23/10 23:48 8260B V.D.L. D -1 o- Xylene 5 5.0 27.8 pg /L 09/24/10 01:39 8260B V.D.L. p-lsopropyltoluene 5 5.0 7.2 pg /L 09/24/10 01:39 8260B V.D.L. Sec - butylbenzene 5 5.0 24.2 pg /L 09/24/10 01:39 8260B V.D.L. Styrene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Tert - butylbenzene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Tetrachloroethene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Toluene 5 5.0 55.6 pg /L 09/24/10 01:39 82608 V.D.L. Trans -1,2- dichloroethene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Trans -1,3- dichloropropene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Trichloroethene 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Trichlorofluoromethane 5 5.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Vinyl Chloride 2 2.0 ND pg /L 09/24/10 01:39 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Date Analyzed: 09/24/10 1:39 Analyst: V.D.L. Dibromofluoromethane 50.0 pg /L 50 pg /L 100% 86 -118% 1,2 Dichloroethane -d4 48.1 pg /L 50 pg /L 96% 80 -120% Toluene -d8 51.9 pg /L 50 pg /L 104% 88 -117% 4- Bromofluorobenzene 52.1 pg /L 50 pg /L 104% 86 -115% Date Analyzed: 09/23/10 23:48 Analyst: V.D.L. Dibromofluoromethane 53.5 pg /L 50 pg /L 107% 86- 118% 1,2 Dichloroethane -d4 54.6 pg /L 50 pg /L 109% 80- 120% Toluene -d8 52.6 pg /L 50 pg /L 105% 88 -117% 4- Bromofluorobenzene 52.6 pg /L 50 pg /L 105% 86 -115% 'otal Petroleum Hydrocarbons Prepared by method TX 1005 on 09/23/10 at 10 00 TPH (C 6 to C12) 5 5.00 21.2 mg /L 09/23/10 20:12 TX 1005 T.N. TPH (C12 to C28) 5 . 5.00 ND mg /L 09/23/10 20:12 TX 1005 T.N. TPH (C28 to C35) 5 5.00 ND mg /L 09/23/10 20:12 TX 1005 T.N. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • TeL (972) 424 -6422 • Fax: (972) 424 -6508 1 RCf•Uyn � '`��xx ��tt Laboratories LLC 9 Order ID: 1009509 maim. a ' 1 /11.SDOR Laboratories LLC p r Date: 9/29/2010 L' > #_ ". -. Page 11 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: MW -03 Oxidor Sample ID: 1009509 -004 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Total Petroleum Hydrocarbons TPH (C6 to C35) 5 5.00 21.2 mg /L 09/23/10 20:12 TX 1005 T.N. Surrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 67.2 mg /L 50 mg /L 134% 70 -130% Q -7 o- Terphenyl 59.6 mg /L 50 mg /L 119% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 4c "o r � T Order ID: 1009509 ,. . : C . ;I OR :aboratories LLC ,, Date: 9/29/2010 ?^: • Page 12 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: MW -01 Oxidor Sample ID: 1009509 -005 Matrix: Liquid Sample Received: 9/22/2010 Sample Collected: 9/22/2010 12:59 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 1,1,1 - Trichloroethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 1,1,2,2 - Tetrachloroethane 4 4.0 ND pg /L 09/24/1002:07 8260B V.D.L. 1,1,2 - Trichloroethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 1,1- Dichloroethane 5 5.0 ND pg /L 09/24/1002:07 8260B V.D.L. 1,1- Dichloroethene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 1,1- Dichloropropene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 1,2,3 - Trichlorobenzene 5 5,0 ND pg /L 09/24/10 02:07 8260B V.D.L. 1,2,3 - Trichloropropane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 1,2,4 - Trichlorobenzene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 1,2,4 - Trimethylbenzene 5 50.0 1650 pg /L 09/24/10 00:16 8260B V.D.L. D -1 1,2- Dibromo -3- 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. chloropropane 1,2- Dibromoethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 1,2- Dichlorobenzene 5 5.0 ND pg /L 09/24/1002:07 8260B V.D.L. 1,2- Dichloroethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 1,2- Dichloropropane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 1,3,5 - Trimethylbenzene 5 50.0 509 pg /L 09/24/10 00:16 8260B V.D.L. D -1 1,3- Dichlorobenzene 5 5.0 ND pg /L 09/24/1002:07 8260B V.D.L. 1,3- Dichloropropane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 1,4- Dichlorobenzene 5 5.0 ND pg /L 09/24/1002:07 8260B V.D.L. 2,2- Dichloropropane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 2- Butanone 10 10.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 2- Chlorotoluene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 2- Hexanone 10 10.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 4- Chlorotoluene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. 4- Methyl -2- pentanone 10 10.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Acetonitrile 50 50.0 ND pg /L 09/24/1002:07 8260B V.D.L. Acrylonitrile 10 10.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Benzene 5 5.0 8.9 pg /L 09/24/10 02:07 8260B V.D.L. Bromobenzene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Bromochloromethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Bromodichloromethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Bromoform 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Bromomethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Carbon Tetrachloride 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Chlorobenzene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Chloroethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Chloroform 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Chloromethane 5 5.0 ND pg /L 09/24/1002:07 8260B V.D.L. Cis- 1,2- dichloroethene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. www.OXIDOR.conn • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 4c, - s, Order ID: 1009509 Imosopmenit mamas . _ OXIDOR Laboratories LLC Date: 9/29/2010 "1 '' Page 13 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: MW -01 Oxidor Sample ID: 1009509 -005 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Dibromochloromethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Dibromomethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Dichlorodifluoromethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Ethylbenzene 5 50.0 843 pg /L 09/24/10 00:16 8260B V.D.L. D -1 Hexachlorobutadiene 4 4.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Isopropylbenzene 5 5.0 60.3 pg /L 09/24/10 02:07 8260B V.D.L. m,p- Xylene 10 100 1530 pg /L 09/24/10 00:16 8260B V.D.L. D -1 Methylene Chloride 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. MTBE 5 5.0 25.7 pg /L 09/24/10 02:07 8260B V.D.L. N- butylbenzene 5 5.0 59.5 pg /L 09/24/10 02:07 8260B V.D.L. N- propylbenzene 5 5.0 111 pg /L 09/24/10 02:07 8260B V.D.L. Naphthalene 10 100 714 pg /L 09/24/10 00:16 8260B V.D.L. D -1 o- Xylene 5 5.0 25.9 pg /L 09/24/10 02:07 8260B V.D.L. p- Isopropyltoluene 5 5.0 6.9 pg /L 09/24/10 02:07 8260B V.D.L. Sec - butylbenzene 5 5.0 13.0 pg /L 09/24/10 02:07 8260B V.D.L. Styrene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Tert- butylbenzene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Tetrachloroethene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Toluene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Trans -1,2- dichloroethene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Trans -1,3- dichloropropene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Trichloroethene 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Trichlorofluoromethane 5 5.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Vinyl Chloride 2 2.0 ND pg /L 09/24/10 02:07 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Date Analyzed: 09/24/10 2:07 Analyst: V.D.L. Dibromofluoromethane 49.9 pg /L 50 pg /L 100% 86 -118% 1,2 Dichloroethane -d4 48.5 pg /L 50 pg /L 97% 80 -120% Toluene -d8 52.7 pg /L 50 pg /L 105% 88 -117% 4- Bromofluorobenzene 51.7 pg /L 50 pg /L 103% 86 -115% Date Analyzed: 09/24/10 0:16 Analyst: V.D.L. Dibromofluoromethane 52.2 pg /L 50 pg /L 104% 86 -118% 1,2 Dichloroethane -d4 54.3 pg /L 50 pg /L 109% 80 -120% Toluene -d8 52.1 pg /L 50 pg /L 104% 88- 117% 4- Bromofluorobenzene 52.1 pg /L 50 pg /L 104% 86 -115% Total Petroleum Hydrocarbons Prepared by method TX 1005 on 09/23/10 at 10:00 TPH (C 6 to C12) 5 5.00 14.3 mg /L 09/23/10 21:02 TX 1005 T.N. TPH (C12 to C28) 5 5.00 ND mg /L 09/23/10 21:02 TX 1005 T.N. TPH (C28 to C35) 5 5.00 ND mg /L 09/23/10 21:02 TX 1005 T.N. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 acr�y Order ID: 1009509 °`""" k Date: 9/29/2010 OXIDOR Laboratories., LLC sa � ) Page 14 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: MW -01 Oxidor Sample ID: 1009509 -005 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Total Petroleum Hydrocarbons TPH (C6 to C35) 5 5.00 14.3 mg /L 09/23/10 21:02 TX 1005 T.N. Surrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 62.5 mg /L 50 mg /L 125% 70 -130% o- Terphenyl 55.9 mg /L 50 mg /L 112% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 T Order ID: 1009509 __ • ,ODOR Labor atories, LLC Date. 9/29/2010 a Page 15 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: Dup -1 Oxidor Sample ID: 1009509 -006 Matrix: Liquid Sample Received: 9/22/2010 Sample Collected: 9/22/2010 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 1,1,1 - Trichloroethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 1,1,2,2 - Tetrachloroethane 4 4.0 ND pg /L 09/24/1002:35 8260B V.D.L. 1,1,2 - Trichloroethane 5 5.0 ND pg /L 09/24/1002:35 8260B V.D.L. 1,1- Dichloroethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 1,1- Dichloroethene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 1,1- Dichloropropene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 1,2,3 - Trichlorobenzene 5 5.0 ND pg /L 09/24/1002:35 8260B V.D.L. 1,2,3 - Trichloropropane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 1,2,4- Trichlorobenzene 5 5.0 ND pg /L 09/24/1002:35 8260B V.D.L. 1,2,4 - Trimethylbenzene 5 5.0 152 pg /L 09/24/10 02:35 8260B V.D.L. 1,2- Dibromo -3- 5 5.0 ND pg /L 09/24/1002:35 8260B V.D.L. chloropropane 1,2- Dibromoethane 5 5.0 ND pg /L 09/24/1002:35 8260B V.D.L. 1,2- Dichlorobenzene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 1,2- Dichloroethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 1,2- Dichloropropane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 1,3,5 - Trimethylbenzene 5 5.0 36.8 pg /L 09/24/10 02:35 8260B V.D.L. 1,3- Dichlorobenzene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 1,3- Dichloropropane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 1,4- Dichlorobenzene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 2,2- Dichloropropane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 2- Butanone 10 10.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 2- Chlorotoluene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 2- Hexanone 10 10.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 4- Chlorotoluene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. 4- Methyl -2- pentanone 10 10.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Acetonitrile 50 50.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Acrylonitrile 10 10.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Benzene 5 5.0 40.4 pg /L 09/24/10 02:35 8260B V.D.L. Bromobenzene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Bromochloromethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Bromodichloromethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Bromoform 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Bromomethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Carbon Tetrachloride 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Chlorobenzene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Chloroethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Chloroform 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Chloromethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Cis -1,2- dichloroethene 5 5.0 ND pg /L 09/24/1002:35 8260B V.D.L. www.OXIDOR.com . 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 aE �� Order ID: 1009509 arrommomit lnoR Laboratories , L� „ ,. 6 Date: 9 /29/2010 "' f i1 -, Page 16 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: Dup -1 Oxidor Sample ID: 1009509 -006 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Dibromochloromethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Dibromomethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Dichlorodifluoromethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Ethylbenzene 5 50.0 299 pg /L 09/24/10 00:43 8260B V.D.L. D -1 Hexachlorobutadiene 4 4.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Isopropylbenzene 5 5.0 39.6 pg /L 09/24/10 02:35 8260B V.D.L. m,p- Xylene 10 10.0 214 pg /L 09/24/10 02:35 8260B V.D.L. Methylene Chloride 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. MTBE 5 5.0 14.9 pg /L 09/24/10 02:35 8260B V.D.L. N- butylbenzene 5 5.0 36.4 pg /L 09/24/10 02:35 8260B V.D.L. N- propylbenzene 5 5.0 147 pg /L 09/24/10 02:35 8260B V.D.L. Naphthalene 10 100 412 pg /L 09/24/10 00:43 8260B V.D.L. D -1 o- Xylene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. p- Isopropyltoluene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Sec - butylbenzene 5 5.0 25.2 pg /L 09/24/10 02:35 8260B V.D.L. Styrene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Tert- butylbenzene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Tetrachloroethene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Toluene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Trans -1,2- dichloroethene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Trans -1,3- dichloropropene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Trichloroethene 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Trichlorofluoromethane 5 5.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Vinyl Chloride 2 2.0 ND pg /L 09/24/10 02:35 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Date Analyzed: 09/24/10 2:35 Analyst: V.D.L. Dibromofluoromethane 50.1 pg /L 50 pg /L 100% 86 -118% 1,2 Dichloroethane -d4 47.8 pg /L 50 pg /L 96% 80 -120% Toluene -d8 52.9 pg /L 50 pg /L 106% 88 -117% 4- Bromofluorobenzene 51.6 pg /L 50 pg /L 103% 86 -115% Date Analyzed: 09/24/10 0:43 Analyst: V.D.L. Dibromofluoromethane 51.8 pg /L 50 pg /L 104% 86 -118% 1,2 Dichloroethane -d4 53.5 pg /L 50 pg /L 107% 80 -120% Toluene -d8 52.1 pg /L 50 pg /L 104% 88 -117% 4- Bromofluorobenzene 51.9 pg /L 50 pg /L 104% 86- 115% 7 "otal Petroleum Hydrocarbons Prepared by method TX 1005 on 09/23/10 at 10 00 TPH (C 6 to C12) 5 5.00 ND mg /L 09/23/10 21:53 TX 1005 T.N. TPH (C12 to C28) 5 5.00 ND mg /L 09/23/10 21:53 TX 1005 T.N. TPH (C28 to C35) 5 5.00 ND mg /L 09/23/10 21:53 TX 1005 T.N. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 r sarromme, j T �, 1� LLC Order ID: 1009509 " . n Ift OXIDOR La boratories, LLC D ate: 9/29/2010 1 Page 17 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: Dup - Oxidor Sample ID: 1009509 -006 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Total Petroleum Hydrocarbons TPH (C6 to C35) 5 5.00 ND mg /L 09/23/10 21:53 TX 1005 T.N. Surrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 56.1 mg /L 50 mg /L 112% 70 -130% o- Terphenyl 52.4 mg /L 50 mg /L 105% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 siairmaysii =arm 0 �TT7 Order ID: 1009509 XIDOR Laborator LLB ' ,. Date: 9/29/2010 IV ! Page 18 of 34 T104704227 -10-4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: Trip Blank Oxidor Sample ID: 1009509 -007 Matrix: Liquid Sample Received: 9/22/2010 Sample Collected: 9/22/2010 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 5.0 ND pg /L 09/23/1021:29 8260B V.D.L. 1,1,1 - Trichloroethane 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,1,2,2 - Tetrachloroethane 4 4.0 ND pg /L 09/23/10 21:29 82606 V.D.L. 1,1,2 - Trichloroethane 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,1- Dichloroethane 5 5.0 ND pg /L 09/23/10 21:29 82606 V.D.L. 1,1- Dichloroethene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,1- Dichloropropene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,2,3 - Trichlorobenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,2,3 - Trichloropropane 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,2,4- Trichlorobenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,2,4 - Trimethylbenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,2- Dibromo -3- 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. chloropropane 1,2- Dibromoethane 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,2- Dichlorobenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,2- Dichloroethane 5 5.0 ND pg /L 09/23/10 21:29 82606 V.D.L. 1,2- Dichloropropane 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,3,5 - Trimethylbenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,3- Dichlorobenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,3- Dichloropropane 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 1,4- Dichlorobenzene 5 5.0 ND pg /L 09/23/10 21:29 82606 V.D.L. 2,2- Dichloropropane 5 5.0 ND pg /L 09/23/10 21:29 82606 V.D.L. 2- Butanone 10 10.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 2- Chlorotoluene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 2- Hexanone 10 10.0 ND pg /L 09/23/10 21:29 8260B V.D.L. 4- Chlorotoluene 5 5.0 ND pg /L 09/23/10 21:29 82606 V.D.L. 4- Methyl -2- pentanone 10 10.0 ND pg /L 09/23/10 21:29 82606 V.D.L. Acetonitrile 50 50.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Acrylonitrile 10 10.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Benzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Bromobenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Bromochloromethane 5 5.0 ND pg /L 09/23/10 21:29 82606 V.D.L. Bromodichloromethane 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Bromoform 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Bromomethane 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Carbon Tetrachloride 5 5.0 ND pg /L 09/23/10 21:29 82606 V.D.L. Chlorobenzene 5 5.0 ND pg /L 09/23/10 21:29 82606 V.D.L. Chloroethane 5 5.0 ND pg /L 09/23/10 21:29 82606 V.D.L. Chloroform 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Chloromethane 5 5.0 ND pg /L 09/23/10 21:29 82606 V.D.L. Cis- 1,2- dichloroethene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. www.OXIDOR.com • 1825 E. Piano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 �- �. ' ,, Order ID: 1009509 wirommien Date: 9/29/2010 N m O XID R Laboratories LLB _ ' Z1 [ i , . Page 19 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: Trip Blank Oxidor Sample ID: 1009509 -007 Matrix: Liquid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Cis -1,3- dichloropropene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Dibromochloromethane 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Dibromomethane 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Dichlorodifluoromethane 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Ethylbenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Hexachlorobutadiene 4 4.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Isopropylbenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. m,p- Xylene 10 10.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Methylene Chloride 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. MTBE 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. N- butylbenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. N- propylbenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Naphthalene 10 10.0 ND pg /L 09/23/10 21:29 8260B V.D.L. o- Xylene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. p- Isopropyltoluene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Sec - butylbenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Styrene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Tert - butylbenzene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Tetrachloroethene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Toluene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Trans -1,2- dichloroethene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Trans -1,3- dichloropropene 5 5.0 ND pg /L 09/23/1021:29 8260B V.D.L. Trichloroethene 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Trichlorofluoromethane 5 5.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Vinyl Chloride 2 2.0 ND pg /L 09/23/10 21:29 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Dibromofluoromethane 54.4 pg /L 50 pg /L 109% 86 -118% 1,2 Dichloroethane -d4 56.1 pg /L 50 pg /L 112% 80 -120% Toluene -d8 53.0 pg /L 50 pg /L 106% 88 -117% 4- Bromofluorobenzene 53.6 pg /L 50 pg /L 107% 86 -115% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Order ID: 1009509 momisemoRmi ..st OXIDOR L LLB ''��� Date: 9/29/2010 _, Page 20 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Sample Cross Reference Project Name: Coppell Auto Center Customer ID: Lab ID: Test Method QCBatchID: MW -04 1009509 -001 Total Petroleum Hydrocarbons TX 1005 1005_03123AL Volatile Organic Compounds 8260B VOC 29410 L MW -05 1009509 -002 Total Petroleum Hydrocarbons TX 1005 1005_03123AL Volatile Organic Compounds 8260B VOC_29410_L MW -02 1009509 -003 Total Petroleum Hydrocarbons TX 1005 1005_03123AL Volatile Organic Compounds 8260B VOC_29410 L MW -03 1009509 -004 Total Petroleum Hydrocarbons TX 1005 1005_03123AL Volatile Organic Compounds 8260B VOC_29410_L MW -01 1009509 -005 Total Petroleum Hydrocarbons TX 1005 1005_03123AL Volatile Organic Compounds 8260B VOC 29410 L Dup -1 1009509 -006 Total Petroleum Hydrocarbons TX 1005 1005_03123AL Volatile Organic Compounds 8260B VOC_29410_L Trip Blank 1009509 -007 Volatile Organic Compounds 8260B VOC 29410_L www.OXIDOR.com • 1825 E. Piano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 r PC&":' y Order ID: 1009509 �_ 3 d }C�1 ato 1 's 4 L� fi Date: 9/29/2010 Q s Page 21 of 34 i T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Center Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD 1005 03123AL Blank TPH (C 6 to C12) ND mg /L TPH (C12 to C28) ND mg /L TPH (C28 to C35) ND mg /L TPH (C6 to C35) ND mg /L Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 57.0 mg /L 50 mg /L 114% 70 -130% o- Terphenyl 54.0 mg /L 50 mg /L 108% 70 -130% LCS TPH (C6 to C35) 8.17 mg /L 9.25 mg /L 88% 75 -125% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 58.8 mg /L 50 mg /L 118% 70 -130% o- Terphenyl 55.7 mg /L 50 mg /L 111% 70 -130% LCSD TPH (C6 to C35) 8.22 mg /L 9.36 mg /L 88% 75 -125% 0.6% 0 -20% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 56.4 mg /L 50 mg /L 113% 70 -130% o- Terphenyl 53.1 mg /L 50 mg /L 106% 70 -130% MS TPH (C6 to C35) 8.30 mg /L ND 9.38 mg /L 89% 75 -125% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 53.9 mg /L 50 mg /L 108% 70 -130% o- Terphenyl 51.0 mg /L 50 mg /L 102% 70 -130% MSD TPH (C6 to C35) 8.27 mg /L ND 9.36 mg /L 88% 75 -125% 0.1% 0 -20% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 55.6 mg /L 50 mg /L 111% 70 -130% o- Terphenyl 52.8 mg /L 50 mg /L 106% 70 -130% QCBatchlD VOC 29410_L Blank Dichlorodifluoromethane ND pg /L Chloromethane ND pg /L Vinyl Chloride ND pg /L Bromomethane ND pg /L Chloroethane ND pg /L Trichlorofluoromethane ND pg /L 1,1- Dichloroethene ND pg /L Acetonitrile ND pg /L Methylene Chloride ND pg /L Acrylonitrile ND pg /L MTBE ND pg /L Trans -1,2- dichloroethene ND pg /L 1,1- Dichloroethane ND pg /L 2- Butanone ND pg /L 2,2- Dichloropropane ND pg /L Cis -1,2- dichloroethene ND pg /L Bromochloromethane ND pg /L Chloroform ND pg /L www.OXIDOR.cor ° 1825 E. Plano Parkway #160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Acco,, ,. Order ID: 1009509 alliM 181 ............ , C IDOR Laboratories LL °" Date: 9/29/2010 04 Page 22 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Center Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC L 1,1,1- Trichloroethane ND pg /L 1,1- Dichloropropene ND pg /L Carbon Tetrachloride ND pg /L Benzene ND pg /L 1,2- Dichloroethane ND pg /L Trichloroethene ND pg /L 1,2- Dichloropropane ND pg /L Dibromomethane ND pg /L Bromodichloromethane ND pg /L Cis -1,3- dichloropropene ND pg /L 4- Methy1-2- pentanone ND pg /L Toluene ND pg /L Trans- 1,3- dichloropropene ND pg /L 1,1,2 - Trichloroethane ND pg /L 2- Hexanone ND pg /L 1,3- Dichloropropane ND pg /L Tetrachloroethene ND pg /L Dibromochloromethane ND pg /L 1 ,2-Dibromoetha ne ND pg /L Chlorobenzene ND pg /L Ethylbenzene ND pg /L 1,1,1,2 - Tetrachloroethane ND pg /L m,p- Xylene ND pg /L o- Xylene ND pg /L Styrene ND pg /L Bromoform ND pg /L Isopropylbenzene ND pg /L 1,1,2,2- Tetrachloroethane ND pg /L 1,2,3 - Trichloropropane ND pg /L Bromobenzene ND pg /L N- propylbenzene ND pg /L 2- Chlorotoluene ND pg /L 4- Chlorotoluene ND pg /L 1,3,5 - Trimethylbenzene ND pg /L Tert- butylbenzene ND pg /L 1,2,4- Trimethylbenzene ND pg /L Sec - butylbenzene ND pg /L p- Isopropyltoluene ND pg /L 1 ,3-Dichlorobenzene ND pg /L 1 ,4-Dichlorobenzene ND pg /L N- butylbenzene ND pg /L 1,2- Dichlorobenzene ND pg /L 1,2- Dibromo -3- ND pg /L chloropropane www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ACC O (' TTY Laboratories T L x / LC - , Order ID: 1009509 XIDOR Date: 9/29/2010 .r = Page 23 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Center Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 29410_L 1,2,4 - Trichlorobenzene ND pg /L Hexachlorobutadiene ND pg /L Naphthalene ND pg /L 1,2,3 - Trichlorobenzene ND pg /L Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 53.6 pg /L 50 pg /L 107% 86 -118% 1,2 Dichloroethane -d4 56.1 pg /L 50 pg /L 112% 80 -120% Toluene -d8 51.7 pg /L 50 pg /L 103% 88 -117% 4- Bromofluorobenzene 53.0 pg /L 50 pg /L 106% 86 -115% LCS Dichlorodifluoromethane 55.0 pg /L 50 pg /L 110% 70 -130% Chloromethane 52.0 pg /L 50 pg /L 104% 70 -130% Vinyl Chloride 52.7 pg /L 50 pg /L 105% 70- 130% Bromomethane 42.5 pg /L 50 pg /L 85% 60 -140% Chloroethane 52.4 pg /L 50 pg /L 105% 70 -130% Trichlorofluoromethane 55.2 pg /L 50 pg /L 110% 70 -130% 1,1- Dichloroethene 53.0 pg /L 50 pg /L 106% 70 -130% Acetonitrile 52.8 pg /L 50 pg /L 106% 60 -140% Methylene Chloride 51.6 pg /L 50 pg /L 103% 70 -130% Acrylonitrile 54.5 pg /L 50 pg /L 109% 60 -140% Trans -1,2- dichloroethene 53.6 pg /L 50 pg /L 107% 70 -130% MTBE 52.9 pg /L 50 pg /L 106% 70 -130% 1,1- Dichloroethane 54.6 pg /L 50 pg /L 109% 70- 130% 2,2- Dichloropropane 55.8 pg /L 50 pg /L 112% 70 -130% Cis -1,2- dichloroethene 52.0 pg /L 50 pg /L 104% 70 -130% 2- Butanone 52.7 pg /L 50 pg /L 105% 60 -140% Bromochloromethane 50.7 pg /L 50 pg /L 101% 70 -130% Chloroform 50.7 pg /L 50 pg /L 101% 70 -130% 1,1,1 - Trichloroethane 56.2 pg /L 50 pg /L 112% 70 -130% 1,1- Dichloropropene 51.0 pg /L 50 pg /L 102% 40 -160% Carbon Tetrachloride 56.6 pg /L 50 pg /L 113% 70 -130% Benzene 52.4 pg /L 50 pg /L 105% 70 -130% 1,2- Dichloroethane 54.9 pg /L 50 pg /L 110% 70 -130% Trichloroethene 52.5 pg /L 50 pg /L 105% 70 -130% 1,2- Dichloropropane 51.2 pg /L 50 pg /L 102% 70 -130% Dibromomethane 55.4 pg /L 50 pg /L 111% 70 -130% Bromodichloromethane 57.0 pg /L 50 pg /L 114% 70 -130% Cis -1,3- dichloropropene 51.0 pg /L 50 pg /L 102% 70 -130% 4- Methyl -2- pentanone 57.5 pg /L 50 pg /L 115% 60 -140% Toluene 52.7 pg /L 50 pg /L 105% 70 -130% Trans -1,3- dichloropropene 50.8 pg /L 50 pg /L 102% 70 -130% 1,1,2 - Trichloroethane 53.2 pg /L 50 pg /L 106% 70 -130% 1,3- Dichloropropane 53.6 pg /L 50 pg /L 107% 70 -130% Tetrachloroethene 50.9 pg /L 50 pg /L 102% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 At.00 ,, 4 Order ID: 1009509 misurowan 11111111001111 '" OXIDOR L a b or a t orie s, LL k�� ,. " `� Date: 9/29/2010 .m oor... a � M ' � Page 24 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Center Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 2- Hexanone 55.6 pg /L 50 pg /L 111% 60 -140% Dibromochloromethane 51.8 pg /L 50 pg /L 104% 70 -130% 1,2- Dibromoethane 55.0 pg /L 50 pg /L 110% 70 -130% Chlorobenzene 49.9 pg /L 50 pg /L 100% 70 -130% 1,1,1,2 - Tetrachloroethane 54.4 pg /L 50 pg /L 109% 70 -130% Ethylbenzene 52.5 pg /L 50 pg /L 105% 70 -130% m,p- Xylene 104 pg /L 100 pg /L 104% 70 -130% o- Xylene 52.4 pg /L 50 pg /L 105% 70 -130% Styrene 53.2 pg /L 50 pg /L 106% 70 -130% Bromoform 51.0 pg /L 50 pg /L 102% 70 -130% Isopropylbenzene 53.3 pg /L 50 pg /L 107% 70 -130% 1,1,2,2 - Tetrachloroethane 53.5 pg /L 50 pg /L 107% 70- 130% Bromobenzene 51.6 pg /L 50 pg /L 103% 70 -130% 1,2,3 - Trichloropropane 53.9 pg /L 50 pg /L 108% 70- 130% N- propylbenzene 54.4 pg /L 50 pg /L 109% 70 -130% 2- Chlorotoluene 51.3 pg /L 50 pg /L 103% 70 -130% 1,3,5 - Trimethylbenzene 52.2 pg /L 50 pg /L 104% 70 -130% 4- Chlorotoluene 52.2 pg /L 50 pg /L 104% 70 -130% Tert- butylbenzene 51.9 pg /L 50 pg /L 104% 70 -130% 1,2,4 - Trimethylbenzene 52.4 pg /L 50 pg /L 105% 70 -130% Sec - butylbenzene 51.7 pg /L 50 pg /L 103% 70 -130% 1,3- Dichlorobenzene 50.0 pg /L 50 pg /L 100% 70 -130% p- Isopropyltoluene 50.4 pg /L 50 pg /L 101% 70 -130% 1,4- Dichlorobenzene 50.0 pg /L 50 pg /L 100% 70 -130% N- butylbenzene 50.5 pg /L 50 pg /L 101% 70 -130% 1,2- Dichlorobenzene 50.7 pg /L 50 pg /L 101% 70 -130% 1,2- Dibromo -3- 51.9 pg /L 50 pg /L 104% 70 -130% chloropropane 1,2,4 - Trichlorobenzene 48.9 pg /L 50 pg /L 98% 70 -130% Hexachlorobutadiene 48.1 pg /L 50 pg /L 96% 70 -130% Naphthalene 52.8 pg /L 50 pg /L 106% 70- 130% 1,2,3 - Trichlorobenzene 49.1 pg /L 50 pg /L 98% 70 -130% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 54.5 pg /L 50 pg /L 109% 86 -118% 1,2 Dichloroethane -d4 54.6 pg /L 50 pg /L 109% 80 -120% Toluene -d8 53.5 pg /L 50 pg /L 107% 88 -117% 4- Bromofluorobenzene 53.4 pg /L 50 pg /L 107% 86 -115% LCSD Dichlorodifluoromethane 54.3 pg /L 50 pg /L 109% 70 -130% 1.3% 0 -25% Chloromethane 52.6 pg /L 50 pg /L 105% 70- 130% 1.1% 0 -25% Vinyl Chloride 53.0 pg /L 50 pg /L 106% 70 -130% 0.6% 0 -25% Bromomethane 51.0 pg /L 50 pg /L 102% 60 -140% 18.2% 0 -25% Chloroethane 53.2 pg /L 50 pg /L 106% 70 -130% 1.5% 0 -25% Trichlorofluoromethane 54.1 pg /L 50 pg /L 108% 70 -130% 2.0% 0 -25% www.OXIDOR.cam ° 1825 E. Plano Parkway #160 • Plano. I X f5074 • Tel: (972) 424 -6422 • Fax (972) 424 -6508 4,,lj g T �ro 1 T� Laboratories LLC / Yv , Order ID: 1009509 seramplawri ■r",�„� OXID . ., LL4 63 Date: 9/29/2010 r Page 25 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Center Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 1,1- Dichloroethene 51.8 pg /L 50 pg /L 104% 70 -130% 2.3% 0 -25% Acetonitrile 50.2 pg /L 50 pg /L 100% 60 -140% 5.0% 0 -25% Methylene Chloride 51.7 pg /L 50 pg /L 103% 70 -130% 0,2% 0 -25% Acrylonitrile 53.9 pg /L 50 pg /L 108% 60 -140% 1.1% 0 -25% Trans -1,2- dichloroethene 52.8 pg /L 50 pg /L 106% 70 -130% 1.5% 0 -25% MTBE 51.4 pg /L 50 pg /L 103% 70 -130% 2.9% 0 -25% 1,1- Dichloroethane 53.8 pg /L 50 pg /L 108% 70- 130% 1.5% 0 -25% 2,2- Dichloropropane 55.6 pg /L 50 pg /L 111% 70 -130% 0.4% 0 -25% Cis -1,2- dichloroethene 52.3 pg /L 50 pg /L 105% 70 -130% 0.6% 0 -25% 2- Butanone 49.3 pg /L 50 pg /L 99% 60 -140% 6.7% 0 -25% Bromochloromethane 49.7 pg /L 50 pg /L 99% 70 -130% 2.0% 0 -25% Chloroform 51.2 pg /L 50 pg /L 102% 70 -130% 1.0% 0 -25% 1,1,1 - Trichloroethane 56.2 pg /L 50 pg /L 112% 70 -130% 0.0% 0 -25% 1,1- Dichloropropene 51.7 pg /L 50 pg /L 103% 40 -160% 1.4% 0 -25% Carbon Tetrachloride 55.9 pg /L 50 pg /L 112% 70 -130% 1.2% 0 -25% Benzene 52.3 pg /L 50 pg /L 105% 70 -130% 0.2% 0 -25% 1,2- Dichloroethane 53.9 pg /L 50 pg /L 108% 70- 130% 1.8% 0 -25% Trichloroethene 51.3 pg /L 50 pg /L 103% 70 -130% 2.3% 0 -25% 1,2- Dichloropropane 50.7 pg /L 50 pg /L 101% 70 -130% 1.0% 0 -25% Dibromomethane 54.1 pg /L 50 pg /L 108% 70 -130% 2.4% 0 -25% Bromodichloromethane 55.8 pg /L 50 pg /L 112% 70 -130% 2.1% 0 -25% Cis -1,3- dichloropropene 50.6 pg /L 50 pg /L 101% 70 -130% 0.8% 0 -25% 4- Methy1-2- pentanone 55.9 pg /L 50 pg /L 112% 60 -140% 2.8% 0 -25% Toluene 52.5 pg /L 50 pg /L 105% 70 -130% 0.4% 0 -25% Trans -1,3- dichloropropene 49.6 pg /L 50 pg /L 99% 70 -130% 2.4% 0 -25% 1,1,2 - Trichloroethane 52.3 pg /L 50 pg /L 105% 70- 130% 1.7% 0 -25% 1,3- Dichloropropane 52.8 pg /L 50 pg /L 106% 70- 130% 1.5% 0 -25% Tetrachloroethene 50.8 pg /L 50 pg /L 102% 70 -130% 0.2% 0 -25% 2- Hexanone 54.4 pg /L 50 pg /L 109% 60 -140% 2.2% 0 -25% Dibromochloromethane 50.8 pg /L 50 pg /L 102% 70 -130% 1.9% 0 -25% 1,2- Dibromoethane 54.5 pg /L 50 pg /L 109% 70 -130% 0.9% 0 -25% Chlorobenzene 50.5 pg /L 50 pg /L 101% 70 -130% 1.2% 0 -25% 1,1,1,2 - Tetrachloroethane 55.1 pg /L 50 pg /L 110% 70 -130% 1.3% 0 -25% Ethylbenzene 52.9 pg /L 50 pg /L 106% 70 -130% 0.8% 0 -25% m,p- Xylene 104 pg /L 100 pg /L 104% 70 -130% 0.0% 0 -25% o- Xylene 53.5 pg /L 50 pg /L 107% 70 -130% 2.1% 0 -25% Styrene 54.0 pg /L 50 pg /L 108% 70 -130% 1.5% 0 -25% Bromoform 50.8 pg /L 50 pg /L 102% 70 -130% 0.4% 0 -25% Isopropylbenzene 54.1 pg /L 50 pg /L 108% 70 -130% 1.5% 0 -25% 1,1,2,2 - Tetrachloroethane 53.4 pg /L 50 pg /L 107% 70- 130% 0.2% 0 -25% Bromobenzene 51.8 pg /L 50 pg /L 104% 70- 130% 0.4% 0 -25% 1,2,3 - Trichloropropane 52.6 pg /L 50 pg /L 105% 70 -130% 2.4% 0 -25% N- propylbenzene 54.2 pg /L 50 pg /L 108% 70 -130% 0.4% 0 -25% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ( r �� L LLC // . � Order ID: 1009509 .: .. aboi tort 0XID0 , LLl ,. rte Date: 9/29/2010 ! I"" Page 26 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Center Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 2- Chlorotoluene 53.0 pg /L 50 pg /L 106% 70 -130% 3.3% 0 -25% 1,3,5 - Trimethylbenzene 53.0 pg /L 50 pg /L 106% 70 -130% 1.5% 0 -25% 4- Chlorotoluene 53.4 pg /L 50 pg /L 107% 70 -130% 2.3% 0 -25% Tert - butylbenzene 52.7 pg /L 50 pg /L 105% 70 -130% 1.5% 0 -25% 1,2,4- Trimethylbenzene 53.2 pg /L 50 pg /L 106% 70 -130% 1.5% 0 -25% Sec - butylbenzene 53.0 pg /L 50 pg /L 106% 70 -130% 2.5% 0 -25% 1,3- Dichlorobenzene 51.4 pg /L 50 pg /L 103% 70 -130% 2.8% 0 -25% p- Isopropyltoluene 51.9 pg /L 50 pg /L 104% 70 -130% 2.9% 0 -25% 1,4- Dichlorobenzene 50.8 pg /L 50 pg /L 102% 70 -130% 1.6% 0 -25% N- butylbenzene 52.5 pg /L 50 pg /L 105% 70 -130% 3.9% 0 -25% 1,2- Dichlorobenzene 52.0 pg /L 50 pg /L 104% 70 -130% 2.5% 0 -25% 1,2- Dibromo -3- 51.8 pg /L 50 pg /L 104% 70 -130% 0.2% 0 -25% chloropropane 1,2,4 - Trichlorobenzene 50.6 pg /L 50 pg /L 101% 70 -130% 3.4% 0 -25% Hexachlorobutadiene 50.1 pg /L 50 pg /L 100% 70 -130% 4.1% 0 -25% Naphthalene 55.3 pg /L 50 pg /L 111% 70 -130% 4.6% 0 -25% 1,2,3 - Trichlorobenzene 51.6 pg /L 50 pg /L 103% 70 -130% 5.0% 0 -25% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 54.5 pg /L 50 pg /L 109% 86 -118% 1,2 Dichloroethane -d4 54.8 pg /L 50 pg /L 110% 80 -120% Toluene -d8 53.6 pg /L 50 pg /L 107% 88 -117% 4- Bromofluorobenzene 53.5 pg /L 50 pg /L 107% 86 -115% MS Dichlorodifluoromethane 53.3 pg /L ND 50 pg /L 107% 70 -130% Chloromethane 52.3 pg /L ND 50 pg /L 105% 70 -130% Vinyl Chloride 53.2 pg /L ND 50 pg /L 106% 70 -130% Bromomethane 51.4 pg /L ND 50 pg /L 103% 60 -140% Chloroethane 53.6 pg /L ND 50 pg /L 107% 70 -130% Trichlorofluoromethane 54.5 pg /L ND 50 pg /L 109% 70 -130% 1,1- Dichloroethene 53.1 pg /L ND 50 pg /L 106% 70 -130% Acetonitrile 53.1 pg /L ND 50 pg /L 106% 60 -140% Methylene Chloride 51.3 pg /L ND 50 pg /L 103% 70 -130% Acrylonitrile 53.9 pg /L ND 50 pg /L 108% 60 -140% Trans -1,2- dichloroethene 52.9 pg /L ND 50 pg /L 106% 70 -130% MTBE 52.1 pg /L ND 50 pg /L 104% 70 -130% 1,1- Dichloroethane 54.7 pg /L ND 50 pg /L 109% 70 -130% 2,2- Dichloropropane 55.9 pg /L ND 50 pg /L 112% 70 -130% Cis -1,2- dichloroethene 52.7 pg /L ND 50 pg /L 105% 70 -130% 2- Butanone 50.7 pg /L ND 50 pg /L 101% 60 -140% Bromochloromethane 52.8 pg /L ND 50 pg /L 106% 70 -130% Chloroform 50.1 pg /L ND 50 pg /L 100% 70 -130% 1,1,1 - Trichloroethane 56.0 pg /L ND 50 pg /L 112% 70 -130% 1,1- Dichloropropene 50.7 pg /L ND 50 pg /L 101% 40 -160% Carbon Tetrachloride 56.4 pg /L ND 50 pg /L 113% 70 -130% www.OXIDOR.com • 1825 E. Piano Parkway #160 • Plano, IX 75074 • l el: (972) 424 -6422 • Fax: (972) 424 -6508 ( 0 TT T LLC ( Order ID: 1009509 wismosimma magosimmtes XID Laboratories, s4 ,■ Date. 9/29/2010 U w►1 Page 27 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Center Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC Benzene 52.3 pg /L ND 50 pg /L 105% 70 -130% 1,2- Dichloroethane 53.7 pg /L ND 50 pg /L 107% 70 -130% Trichloroethene 52.1 pg /L ND 50 pg /L 104% 70 -130% 1,2- Dichloropropane 52.1 pg /L ND 50 pg /L 104% 70 -130% Dibromomethane 55.0 pg /L ND 50 pg /L 110% 70 -130% Bromodichloromethane 56.8 pg /L ND 50 pg /L 114% 70 -130% Cis -1,3- dichloropropene 51.3 pg /L ND 50 pg /L 103% 70 -130% 4- Methyl -2- pentanone 57.7 pg /L ND 50 pg /L 115% 60 -140% Toluene 53.3 pg /L ND 50 pg /L 107% 70 -130% Trans -1,3- dichloropropene 51.3 pg /L ND 50 pg /L 103% 70 -130% 1,1,2 - Trichloroethane 53.3 pg /L ND 50 pg /L 107% 70 -130% 1,3- Dichloropropane 53.8 pg /L ND 50 pg /L 108% 70 -130% Tetrachloroethene 51.7 pg /L ND 50 pg /L 103% 70 -130% 2- Hexanone 54.3 pg /L ND 50 pg /L 109% 60 -140% Dibromochloromethane 51.9 pg /L ND 50 pg /L 104% 70 -130% 1,2- Dibromoethane 54.7 pg /L ND 50 pg /L 109% 70 -130% Chlorobenzene 50.7 pg /L ND 50 pg /L 101% 70 -130% 1,1,1,2 - Tetrachloroethane 55.4 pg /L ND 50 pg /L 111% 70 -130% Ethylbenzene 53.5 pg /L ND 50 pg /L 107% 70 -130% m,p- Xylene 104 pg /L ND 100 pg /L 104% 70 -130% o- Xylene 53.2 pg /L ND 50 pg /L 106% 70 -130% Styrene 54.3 pg /L ND 50 pg /L 109% 70 -130% Bromoform 50.6 pg /L ND 50 pg /L 101% 70 -130% Isopropylbenzene 54.5 pg /L ND 50 pg /L 109% 70 -130% 1,1,2,2 - Tetrachloroethane 54.1 pg /L ND 50 pg /L 108% 70 -130% Bromobenzene 52.0 pg /L ND 50 pg /L 104% 70 -130% 1,2,3 - Trichloropropane 53.2 pg /L ND 50 pg /L 106% 70 -130% N- propylbenzene 55.9 pg /L ND 50 pg /L 112% 70 -130% 2- Chlorotoluene 51.7 pg /L ND 50 pg /L 103% 70 -130% 1,3,5 - Trimethylbenzene 53.1 pg /L ND 50 pg /L 106% 70 -130% 4- Chlorotoluene 53.0 pg /L ND 50 pg /L 106% 70 -130% Tert- butylbenzene 53.0 pg /L ND 50 pg /L 106% 70 -130% 1,2,4 - Trimethylbenzene 53.7 pg /L ND 50 pg /L 107% 70 -130% Sec - butylbenzene 53.7 pg /L ND 50 pg /L 107% 70 -130% 1,3- Dichlorobenzene 51.7 pg /L ND 50 pg /L 103% 70 -130% p- Isopropyltoluene 52.7 pg /L ND 50 pg /L 105% 70 -130% 1,4- Dichlorobenzene 51.3 pg /L ND 50 pg /L 103% 70 -130% N- butylbenzene 53.1 pg /L ND 50 pg /L 106% 70 -130% 1,2- Dichlorobenzene 52.4 pg /L ND 50 pg /L 105% 70 -130% 1,2- Dibromo -3- 52.4 pg /L ND 50 pg /L 105% 70 -130% chloropropane 1,2,4 - Trichlorobenzene 51.3 pg /L ND 50 pg /L 103% 70- 130% Hexachlorobutadiene 50.4 pg /L ND 50 pg /L 101% 70 -130% Naphthalene 56.8 pg /L ND 50 pg /L 114% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Order ID: 1009509 Date: 9/29/2010 raffeiworames ,, Page28of34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Center Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 1,2,3 - Trichlorobenzene 52.7 pg /L ND 50 pg /L 105% 70 -130% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 54.5 pg /L 50 pg /L 109% 86- 118% 1,2 Dichloroethane -d4 53.7 pg /L 50 pg /L 107% 80 -120% Toluene -d8 53.7 pg /L 50 pg /L 107% 88 -117% 4- Bromofluorobenzene 52.8 pg /L 50 pg /L 106% 86 -115% MSD Dichlorodifluoromethane 52.7 pg /L ND 50 pg /L 105% 70 -130% 1.1% 0 -25% Chloromethane 51.5 pg /L ND 50 pg /L 103% 70 -130% 1.5% 0 -25% Vinyl Chloride 53.6 pg /L ND 50 pg /L 107% 70 -130% 0.7% 0 -25% Bromomethane 50.2 pg /L ND 50 pg /L 100% 60 -140% 2.4% 0 -25% Chloroethane 52.8 pg /L ND 50 pg /L 106% 70 -130% 1.5% 0 -25% Trichlorofluoromethane 54.9 pg /L ND 50 pg /L 110% 70 -130% 0.7% 0 -25% 1,1- Dichloroethene 52.8 pg /L ND 50 pg /L 106% 70 -130% 0.6% 0 -25% Acetonitrile 51.3 pg /L ND 50 pg /L 103% 60 -140% 3.4% 0 -25% Methylene Chloride 50.8 pg /L ND 50 pg /L 102% 70 -130% 1.0% 0 -25% Acrylonitrile 56.2 pg /L ND 50 pg /L 112% 60 -140% 4.2% 0 -25% Trans -1,2- dichloroethene 53.6 pg /L ND 50 pg /L 107% 70 -130% 1.3% 0 -25% MTBE 52.0 pg /L ND 50 pg /L 104% 70 -130% 0.2% 0 -25% 1,1- Dichloroethane 53.8 pg /L ND 50 pg /L 108% 70 -130% 1.7% 0 -25% 2,2- Dichloropropane 55.2 pg /L ND 50 pg /L 110% 70 -130% 1.3% 0 -25% Cis -1,2- dichloroethene 52.6 pg /L ND 50 pg /L 105% 70 -130% 0.2% 0 -25% 2- Butanone 53.0 pg /L ND 50 pg /L 106% 60 -140% 4.4% 0 -25% Bromochloromethane 52.6 pg /L ND 50 pg /L 105% 70 -130% 0.4% 0 -25% Chloroform 50.0 pg /L ND 50 pg /L 100% 70 -130% 0.2% 0 -25% 1,1,1 - Trichloroethane 55.7 pg /L ND 50 pg /L 111% 70- 130% 0.5% 0 -25% 1,1- Dichloropropene 51.2 pg /L ND 50 pg /L 102% 40 -160% 1.0% 0 -25% Carbon Tetrachloride 55.7 pg /L ND 50 pg /L 111% 70 -130% 1.2% 0 -25% Benzene 52.1 pg /L ND 50 pg /L 104% 70 -130% 0.4% 0 -25% 1,2- Dichloroethane 53.7 pg /L ND 50 pg /L 107% 70 -130% 0.0% 0 -25% Trichloroethene 52.0 pg /L ND 50 pg /L 104% 70- 130% 0.2% 0 -25% 1,2- Dichloropropane 51.4 pg /L ND 50 pg /L 103% 70 -130% 1.4% 0 -25% Dibromomethane 54.1 pg /L ND 50 pg /L 108% 70 -130% 1.6% 0 -25% Bromodichloromethane 56.3 pg /L ND 50 pg /L 113% 70 -130% 0.9% 0 -25% Cis -1,3- dichloropropene 50.1 pg /L ND 50 pg /L 100% 70 -130% 2.4% 0 -25% 4- Methyl -2- pentanone 55.6 pg /L ND 50 pg /L 111% 60 -140% 3.7% 0 -25% Toluene 52.7 pg /L ND 50 pg /L 105% 70 -130% 1.1% 0 -25% Trans -1,3- dichloropropene 50.5 pg /L ND 50 pg /L 101% 70 -130% 1.6% 0 -25% 1,1,2 - Trichloroethane 53.1 pg /L ND 50 pg /L 106% 70 -130% 0.4% 0 -25% 1,3- Dichloropropane 53.8 pg /L ND 50 pg /L 108% 70- 130% 0.0% 0 -25% Tetrachloroethene 51.1 pg /L ND 50 pg /L 102% 70 -130% 1.2% 0 -25% 2- Hexanone 53.1 pg /L ND 50 pg /L 106% 60- 140% 2.2% 0 -25% Dibromochloromethane 51.1 pg /L ND 50 pg /L 102% 70 -130% 1.6% 0 -25% 1,2- Dibromoethane 54.3 pg /L ND 50 pg /L 109% 70 -130% 0.7% 0 -25% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Piano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ,., AL:Gp T Order ID: 1009509 raleirmiew .., ,,,, xIDOR L LL Date: 9/29/2010 qa Page 29 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: Coppell Auto Center Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC Chlorobenzene 50.3 pg /L ND 50 pg /L 101% 70 -130% 0.8% 0 -25% 1,1,1,2 - Tetrachloroethane 55.3 pg /L ND 50 pg /L 111% 70 -130% 0.2% 0 -25% Ethylbenzene 52.9 pg /L ND 50 pg /L 106% 70 -130% 1.1% 0 -25% m,p- Xylene 104 pg /L ND 100 pg /L 104% 70 -130% 0.0% 0 -25% o- Xylene 52.9 pg /L ND 50 pg /L 106% 70- 130% 0.6% 0 -25% Styrene 53.9 pg /L ND 50 pg /L 108% 70 -130% 0.7% 0 -25% Bromoform 50.0 pg /L ND 50 pg /L 100% 70 -130% 1.2% 0 -25% Isopropylbenzene 53.9 pg /L ND 50 pg /L 108% 70 -130% 1.1% 0 -25% 1,1,2,2 - Tetrachloroethane 53.4 pg /L ND 50 pg /L 107% 70 -130% 1.3% 0 -25% Bromobenzene 52.0 pg /L ND 50 pg /L 104% 70 -130% 0.0% 0 -25% 1,2,3 - Trichloropropane 53.4 pg /L ND 50 pg /L 107% 70 -130% 0.4% 0 -25% N- propylbenzene 55.1 pg /L ND 50 pg /L 110% 70 -130% 1.4% 0 -25% 2- Chlorotoluene 51.8 pg /L ND 50 pg /L 104% 70 -130% 0.2% 0 -25% 1,3,5 - Trimethylbenzene 52.8 pg /L ND 50 pg /L 106% 70 -130% 0.6% 0 -25% 4- Chlorotoluene 53.2 pg /L ND 50 pg /L 106% 70 -130% 0.4% 0 -25% Tert- butylbenzene 53.0 pg /L ND 50 pg /L 106% 70 -130% 0.0% 0 -25% 1,2,4- Trimethylbenzene 53.1 pg /L ND 50 pg /L 106% 70 -130% 1.1% 0 -25% Sec - butylbenzene 53.0 pg /L ND 50 pg /L 106% 70 -130% 1.3% 0 -25% 1,3- Dichlorobenzene 51.1 pg /L ND 50 pg /L 102% 70 -130% 1.2% 0 -25% p- lsopropyltoluene 51.7 pg /L ND 50 pg /L 103% 70 -130% 1.9% 0 -25% 1,4- Dichlorobenzene 51.4 pg /L ND 50 pg /L 103% 70 -130% 0.2% 0 -25% N- butylbenzene 52.2 pg /L ND 50 pg /L 104% 70 -130% 1.7% 0 -25% 1,2- Dichlorobenzene 51.7 pg /L ND 50 pg /L 103% 70 -130% 1.3% 0 -25% 1,2- Dibromo -3- 51.9 pg /L ND 50 pg /L 104% 70 -130% 1.0% 0 -25% chloropropane 1,2,4 - Trichlorobenzene 51.0 pg /L ND 50 pg /L 102% 70 -130% 0.6% 0 -25% Hexachlorobutadiene 50.4 pg /L ND 50 pg /L 101% 70 -130% 0.0% 0 -25% Naphthalene 57.4 pg /L ND 50 pg /L 115% 70 -130% 1.1% 0 -25% 1,2,3 - Trichlorobenzene 52.7 pg /L ND 50 pg /L 105% 70 -130% 0.0% 0 -25% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 53.9 pg /L 50 pg /L 108% 86 -118% 1,2 Dichloroethane -d4 53.2 pg /L 50 pg /L 106% 80 -120% Toluene -d8 53.0 pg /L 50 pg /L 106% 88 -117% 4- Bromofluorobenzene 52.6 pg /L 50 pg /L 105% 86 -115% www.OXIDOR.com . 1825 E. Plano Parkway #160 • Plano, TX 75074 • TeL (972) 424 -6422 • Fax: (972) 424 -6508 C G G :1 TT �>y Laboratories, LLC Order ID: 1009509 w = OXIDOR Laboratories, ;" • " Date: 9/29/2010 tt x Page 30 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Case Narrative Project Name: Coppell Auto Center D -1 Elevated reporting limit(s) due to dilution. Dilution resulted from sample matrix interference, high target analyte(s), high non - target analyte(s) or a combination thereof. Q -7 Recovery and /or RPD outside desirable limits. ppm Parts per million = mg /Kg or mg /L ppb Parts per billion = ug /Kg or ug /L MQL Method quantitation limit SDL Sample detection limit (reflects any laboratory adjustments made to the sample during analysis such as dry weight or dilutions) SQL Sample quantitation limit (reflects any laboratory adjustments made to the sample during analysis such as dry weight or dilution ND Analyte not detected at or above SQL LCS /LCSD Laboratory control spike / Laboratory control spike duplicate MS /MSD Matrix spike / Matrix spike duplicate RPD Relative percent difference Sub Analysis performed by subcontract laboratory Solid sample results reported on a dry weight basis for all applicable analysis, unless otherwise noted. Dry weight calculations based upon % solids obtained as outlined in EPA method 5035 section 7.5 This report is intended only for the use of W &M Environmental Group, Inc. and may contain information that is privileged and confidential. It may not be reproduced in full (or in part) without the expressed written permission of W &M Environmental Group, Inc. and Oxidor Laboratories, LLC. Oxidor Laboratories, LLC certifies to the best of its knowledge that all results contained in this report are consistent with the National Environmental Laboratory Accreditation Program, except where otherwise noted. WwW.OXIDOR.corn • 1825 E. Piano Parkway #160 • Piano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6506 +CC0 :. Order ID: 1009509 : .,.: xlD R �d bO a .tCJr11vS, LL � Date: 9f2912010 !" Page 31 of 34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Sample Preservation Verification Project Name: Coppell Auto Center Receipt temp: 5.0 °C on Ice All applicable VOA's received free of headspace: Yes Receipt method: Client Custody seal intact: Not Present All samples / labels received intact: Yes Customer Sample ID: MW - 04 Collected By: Brent Vollmar Oxidor Sample ID: 1009509 - 001 Collector Affiliation: W &M Environmental Group, Inc. Collected: 09/22/10 09:44 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation al VOA Vial 3 Grab Temp - VOA Vial 3 Grab HCI * " Preservation verified at analysis Customer Sample ID: MW - 05 Collected By: Brent Vollmar Oxidor Sample ID: 1009509 - 002 Collector Affiliation: W &M Environmental Group, Inc. Collected: 09/22/10 10:30 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation al VOA Vial 3 Grab Temp - VOA Vial 3 Grab HCI * * Preservation verified at analysis Customer Sample ID: MW - 02 Collected By: Brent Vollmar Oxidor Sample ID: 1009509 - 003 Collector Affiliation: W &M Environmental Group, Inc. Collected: 09/22/10 11:13 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation all VOA Vial 3 Grab Temp - VOA Vial 3 Grab HCI * " Preservation verified at analysis Customer Sample ID: MW -03 Collected By: Brent Vollmar Oxidor Sample ID: 1009509 - 004 Collector Affiliation: W &M Environmental Group, Inc. Collected: 09/22/10 12:23 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation pH VOA Vial 3 Grab Temp - VOA Vial 3 Grab HCI * * Preservation verified at analysis www.OXIDOR.com • 1825 E. Piano Parkway #160 • Piano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 � /��), � ^..} T Order ID: 1009509 isommoom XIDOR' Laboratories LL� = Date: 9/29/2010 Page32of34 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Sample Preservation Verification Project Name: Coppell Auto Center Customer Sample ID: MW -01 Collected By: Brent Vollmar Oxidor Sample ID: 1009509 -005 Collector Affiliation: W &M Environmental Group, Inc. Collected: 09/22/10 12:59 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation �H VOA Vial 3 Grab Temp - VOA Vial 3 Grab HCI * Preservation verified at analysis Customer Sample ID: Dup -1 Collected By: Brent Vollmar Oxidor Sample ID: 1009509 -006 Collector Affiliation: W &M Environmental Group, Inc. Collected: 09/22/10 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation aH VOA Vial 3 Grab Temp - VOA Vial 3 Grab HCI Preservation verified at analysis Customer Sample ID: Trip Blank Collected By: Brent Vollmar Oxidor Sample ID: 1009509 -007 Collector Affiliation: W &M Environmental Group, Inc. Collected: 09/22/10 Matrix: Liquid Indicated Bottle Type Count Collection Method Parts / Interval Preservation �H VOA Vial 3 Grab Temp - Sample conditions at time of receipt at laboratory verified in part or in whole by: L.J. www.OXIDOR com • 1825 E. Piano Parkway #160 • Plano, IX 15074 • I el: (9(2) 424 -6422 • Fax. (972) 424 -6508 L'CGa �.'� ,. Order ID: 1009509 ,,, � ` Date: 9/29/2010 O XIDOR L bor atories, LLC. _ , = T. 11110 s= Page 33 of 34 T104704227 -10 -4 Chain of Custody PROJECT DESCRIPTION: Coppell Auto Center OXIDCR Laboratories, LLC Chain of Custody Record a, 1825 East Plano Parkway. 8160 co " A 0 0 p4o / Plano. TX 75074 -8570 mot " f Page / of P. 972424 6422 F. 972 424 6508 I cust0merservice @oxidoi corn • Sand Report To Project 1 Report Information . Company Name c� Requested Around Time (Less th Oays rn SI be with la W &M Environmental Group u7 -10 Da ys S•7 Da ys au 34 Day. LJzar ASAP Address Project Name 906 E 18th street Coppell Auto Center Cdy State !Zip Project Location Plano TX 75074 Coppell, Texas Contact Name Project N PO 4 Frank Clark 940.002.005 Contact Email Samper Name Sampler Company fclarkna m,com __ Brent Vollm W &M Phone Fax Sampler Signature ( w 972- 509 -9611 972 -516 -4145 � 1 Sand Invoice To (Only If Pltterent kwrn above) Matrix Codes Special Instructions ' Company Name L - Liquid S - Sole W - Wipes A -Air Address Presevalion Codes 1 -None 4- NCI Cry , Slate ZiD 2 - HNO 5- NaOH 'Please confirm conditional requests prior to additional arraiysls 3 - H 6 - Ice Requested Analysis Contact Name 7 - Other Container Codes Phone Fax P• Plastic G - Glass O. Other z t a t. 6 a o OXIDOR r ' I' Order ID Sample Info y iu i t ? t y o o i• Cu Sample ID u � ` a o= U z " P 2 g / /,U 9`6 / Date Time r u a 8 a i O P. 7 e, V V /n 1 on/ MW -04 9/22/10 vitif L 6 G T6 G ✓ ✓ 002. _ �_. . . — 0 0 3 3 ;13 ' 22 1 1 — oo - -- H MW -03 IT , 23 i ✓ — po5 5 MW-01 12 5S ✓ ✓ T — OOIo a Dup-1 ✓ ✓ 7 –a/ 7 .- 6 9 ' t 4 1, 17 14 15 Reiinou� by ^ p // AXIIelion Date - r Received by Aali4 on Data Tn. x w� g �z� v /3 :� x Relinquished by AMdi•tion Dale 'Time Received eV election !Dale Time X x • RehnquRned by Anmation Date Time T t er F•RD O Ti x � 1 .w,� `Y (a2ito '' : .55 Submittal of samples signdtes acceptance of CMG. - 's Standard a and Conditions �y CY` 507'1008 - Re 4 0 08100R canna accept verbal changes to this document Pease his or r ail written modiecabons Temp 0 R80100 aJ l •' ° C www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 tC� figentstammun OXIDOR TT r11L /�. 1\ 7� ( Order ID: 1009509 rware �. ti J LG borato ies LLC N _ Date: 9/29/2010 v^ 41 Page 34 of 34 • T104704227 -10 -4 Chain of Custody PROJECT DESCRIPTION: Coppell Auto Center Page 1 of 1 Homer Youngblood From: Horner Youngblood Sent: Thursday, September 23, 2010 4.17 PM To: CustomerService Subject: W &M 1009509 I spoke with Brent, and he asked that we run the Trip Blank which was included with this set. Homer Youngblood Customer Service Manager OXIDOR Laboratories, LLC 972- 424 -6422 972 - 424 -6508 Fax hvo un gb load Aox idor. com www.oxidor.com • 9/29/2010 www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 OXIDOR Laboratories, LLC Chain of Custody Record ■..... 1825 East Plano Parkway, #160 �H 0 ACC0fl Plano, TX 75074 -8570 A - o � . 2 Page / of , - -� P: 972.424.6422 F: 972.424.6508 c `; , ` i 4 9 customerservice @oxidor.com a Send Report Tp ` 4 ' . .. Project /,.Re,PC! lnf¢rnfa144 .. .. Company Name C' Requested Around Time (Less th Days must be fled with lab W &M Environmental Group U7 -10 Days QL1 5 -7 Days t,RUSH . -3-4 Da „ - U 2Days _ U ASAP • Address Project Name 906 E 18th street Coppell Auto Center City State Zip Project Location Plano TX 75074 Coppell, Texas _ Contact Name Project # PO # Frank Clark 940.002.005 Contact Email Sampler Name Sampler Company fclark(c�wh m.com Brent W &M Phone Fax Sampler Signature 972 - 509 -9611 972 - 516 -4145 (4 4- x - 7 ,,,,,, , Send Invoice To (Only if Different#rom above) ' . ; r Matrix Codes Special Instructions ' Company Name L - Liquid S - Solid W - Wipes A - Air Address Presevation Codes 1 - None 4 - HCI City State Zip 2 - HNO 5 - NaOH *Please confirm conditional requests prior to additional analysis 3 - H 6 - Ice s R q ues ted An s Contact Name 7 - Other Container Codes Phone Fax P - Plastic G - Glass H rn _ - Other p - ii rn 2 19 g c ; g a OXIDOR d T 0 E Or ID Sample Info s 1 c ? ° o a Customer Sample ID x 0. E H U z N 10 9 9 Date Time m o o d °^ m o D m n° ik U d U a = H ---.2 _, U 00/ 1 MW -04 9/22/10 ' • L 6 G /6 G b k } ...... k �^, §y $ t k ; r G .. M ` c . ' ;,':',F'2-''f, 4 z` ;` 1 z te r: ; :. 4 r r - _ , ' r % ' a�, ✓ F s 4 { e . f 4r: —00 3 X ) MW -02 MI I ;/3 111111111111111111511111111111111111111111 , _ ? . .,_ ” A Ort. „ fir . ' ” ' �. ,' r 1 ` Mp 5 MW 01 M11"I„"'...I.I........ .lr s" F O t :. � 4,11'.7. r _ a $ V ' i `t . ! 4.1 l Y , t - " 'x ' '..,• 7 11111111111111111111•1•1111111111111111111 9 11131111111111111111111111111111111111 : . NM MINIMS IMMOUNE 11 ...... ....... ... 13 ................... 15 Relinquis by /J / Affiliation Date Time Received by Affiliation Date Time Relinquished by Affiliation Date Time Received by Affiliation Date Time X X i Relinquished by Affiliation Date Time R "a - V 7r • • -r , A A M Date r / Ti 65 X N v „ !'ill V y / ( t ^ Submittal of samples signifies acceptance of OXIDI"'s Standard 4- s and Conditions. 0 5/22/2008 - Rev. 4.0 OXIDOR cannot accept verbal changes to this document. Please fax or email written modifications. Temp at Reciept .e