The URL can be used to link to this page

TCEQ Investigation Sec 7 pg 539-628 ATTACHMENT 17C ANALYTICAL DATA REPORTS - IDW AND EXCAVATION CONFIRMATION SAMPLES W &M Environmental Group, Inc. (W &M Project No. 940.002.004) OXIDOR Laboratory Review Checklist Cover Page Project Name: 940.002.003 Coppell Auto Ctr. Coppell, TX OXIDOR Job Number: 0910334 W&M Environmental Group, Inc. nis data package consists of: X 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. X 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 ' � � � F -- t ! President October 27, 2009 Name Signature C n Official Title Date Oxidor Laboratory Review Checklist Rev. 1.1, 072803 Page 1 of 4 OXIDOR Laboratory Review Checklist: Reportable Data Laboratory Name: OXIDOR Laboratories, LLC LRC Date: October 27, 2009 Project Name: 940.002.003 Coppell Auto Ctr. Laboratory Job Number: 0910334 W &M Environmental Group, Inc. Reviewer Name: Kyra Crutchfield QC Batch Number(s): See Cross - reference List #' A Description Yes No NA NR ER # Chain -of- Custody (C -O -C) R1 01 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 R5 OI 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 OI 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 Were LCS (and LCSD, if applicable) %Rs within the laboratory QC limits? X Does the detectability data document the laboratory's capability to detect the COCs at the MDL used X to calculate the SQLs? 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 ti Were MS /MSD analyzed at the appropriate frequency? X Were MS (and MSD, if applicable) %Rs within the laboratory QC limits? X ER #1 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 OI Method quantitation 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 R10 OI 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 "NR" or "No" is checked). Oxidor Laboratory Review Checklist Rev. 1.1, 072803 Page 2 of 4 OXIDOR Laboratory Review Checklist: Supporting Data Laboratory Name: OXIDOR Laboratories, LLC LRC Date: October 27, 2009 Project Name: 940.002.003 Coppell Auto Ctr. Laboratory Job Number: 0910334 W &M Environmental Group, Inc. Reviewer Name: Kyra Crutchfield QC Batch Number(s): See Cross - reference List #' A Description Yes No NA NR ER # 1 01 Initial calibration (ICAL) 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 S3 0 Mass spectral tuning: Was the appropriate compound for the method used for tuning? X Were on 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 S5 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 Dual column confirmation Did dual column confirmation results meet the method - required QC? X S7 OI Tentatively identified compounds (TICs): If TICs were requested, were the mass spectra and TIC data subject to appropriate checks? X S8 1 Interference Check Sample (ICS) results: Were percent recoveries within the method QC limits? X 1 1 Serial dilutions, post digestion spikes, and method of standard additions Were percent differences, recoveries, and the linearity within the QC limits specified in the method? X S10 01 Method detection limit (MDL) studies Was a MDL study performed for each reported analyte? X Is the MDL either adjusted or supported by the analysis of DCSs? X S11 OI 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 Compound /analyte identification procedures Are the procedures for compound /analyte identification documented? X " S14 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 S15 01 Verification /validation documentation for methods (NELAC Chap 5 or ISO /IEC 17025 Section 5) Are all methods used to generate the data documented, verified, and validated, where applicable? X S16 OI 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 "NR" or "No" is checked). Oxidor Laboratory Review Checklist Rev. 1.1, 072803 Page 3 of 4 OXIDOR Laboratory Review Checklist: Exception Reports Laboratory Name: OXIDOR Laboratories, LLC LRC Date: October 27, 2009 Project Name: 940.002.003 Coppell Auto Ctr. Laboratory Job Number: 0910334 W &M Environmental Group, Inc. Reviewer Name: Kyra Crutchfield QC Batch Number(s): See Cross - reference List ER # DESCRIPTION ER #1 MSD recovery of TPH was slightly lower than Oxidor QC limits for QC batch 1005_02320AS. 1. ER# = Exception Report identification number (an Exception Report should be completed for an item if "NR" or "No" is checked on the LRC) Oxidor Laboratory Review Checklist Rev. 1.1, 072803 Page 4 of 4 AG(p ("� vTT /!-�� Dp Laboratories LLC a fi . Order ID: 0910334 miliel ..r,� OxtnoR Laboratories L �o Date: 10/26/2009 Page 1 of 9 T104704227 -09 -TX Monday, October 26, 2009 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: 940.002.003 Project Location: Coppell, TX Oxidor received 1 solid sample(s). The analysis performed were as follows: Sample Sample ID Matrix Collected Analysis 0910334 -001 Soil Comp. Drum Solid 10/16/2009 BTEX/MTBE, Dry Weight, Lead, Total Petroleum Hydrocarbons Respectfully submitted, Charles Brungardt President www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax (972) 424 -6508 ,, ai,G05, a s �� Order ID: 0910334 " '. OXIDoR Laboratories, LLC 4.,‘ s " , . Date: 10/26/2009 . ". +� s , :. Page 2 of 9 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: Soil Comp. Drum Oxidor Sample ID: 0910334 -001 Matrix: Solid Sample Received: 10/19/2009 Sample Collected: 10/16/2009 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags General Chemistry % Solids 0.1 0.1 85.6 % 10/20/09 15:05 Dry Weight J.M. Metals Digested by method 30508 on 10/21/09 at 16 00 Lead 0.5 0.584 9.38 mg /Kg 10/22/09 13:25 6020 K.O. BTEX/MTBE Benzene 5 5.8 8.3 pg /kg 10/19/09 21:17 8260B V.D.L. Toluene 5 5.8 ND pg /kg 10/19/09 21:17 8260B V.D.L. Ethylbenzene 5 117 1170 pg /kg 10/20/09 13:32 8260B V.D.L. D -1 m,p- Xylene 10 11.7 387 pg /kg 10/19/09 21:17 8260B V.D.L. o- Xylene 5 5.8 8.8 pg /kg 10/19/09 21:17 8260B V.D.L. Xylenes (Total) 15 17.5 395.8 pg /kg 10/19/09 21:17 8260B V.D.L. MTBE 5 5.8 ND pg /kg 10/19/09 21:17 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Date Analyzed: 10/19/09 21:17 Analyst: V.D.L. 4- Bromofluorobenzene 51.0 pg /kg 50 pg /kg 102% 70 -130% Date Analyzed: 10/20/09 13:32 Analyst: V.D.L. 4- Bromofluorobenzene 46.9 pg /kg 50 pg /kg 94% 70 -130% Total Petroleum Hydrocarbons Prepared by method TX 1005 on 10/19/09 at 09:00 TPH (C 6 to C12) 25 29.2 32.6 mg /Kg 10/20/09 00:12 TX 1005 T.N. TPH (C12 to C28) 25 29.2 ND mg /Kg 10/20/09 00:12 TX 1005 T.N. TPH (C28 to C35) 25 29.2 ND mg /Kg 10/20/09 00:12 TX 1005 T.N. TPH (C6 to C35) 25 29.2 32.6 mg /Kg 10/20/09 00:12 TX 1005 T.N. Surrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 42.5 mg /Kg 50 mg /Kg 85% 70 -130% o- Terphenyl 41.0 mg /Kg 50 mg /Kg 82% 70- 130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Acc0 "� �"'� o - ` Order ID: 0910334 notooftimmt OxJD �P� Laboratories LLC ' Date: 10/26/2009 11 01/1 ' x Page 3 of 9 • T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Sample Cross Reference Project Name: Coppell Auto Center Customer ID: Lab ID: Test - Method QCBatchID: Soil Comp. Drum 0910334 -001 Total Petroleum Hydrocarbons 0 - TX 1005 1005_02320AS BTEX /MTBE 8260B BTXM_04809_S BTEX /MTBE 8260B BTXM_05009_S Dry Weight Dry Weight DW-_01219_S Lead 6020 META _11826_S www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ,'. Ac Cil w ',s Order ID: 0910334 _ _ _ "- OXIDOR Laboratories, LLC. Q `' Date: 10/26/2009 n ' ,II # + -, � Page 4 of 9 T104704227 -09 -TX 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 DW 01219_S Replicate % Solids 87.0 % 87.4 % 0.4% 0 -20% QCBatchlD META 11826 S Blank Lead ND mg /Kg LCS Lead 9.86 mg /L 11 mg /L 90% 85 -115% LCSD Lead 10.2 mg /L 11 mg /L 93% 85 -115% 3.4% 0 -20% MS Lead 508 mg /Kg 10.9 mg /Kg 550 mg /Kg 90% 80- 120% MSD Lead 508 mg /Kg 10.9 mg /Kg 550 mg /Kg 90% 80 -120% 0.0% 0 -20% QCBatchlD 1005_02320AS Blank TPH (C 6 to C12) ND mg /Kg TPH (C12 to C28) ND mg /Kg TPH (C28 to C35) ND mg /Kg TPH (C6 to C35) ND mg /Kg Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 54.2 mg /Kg 50 mg /Kg 108% 70 -130% o- Terphenyl 52.2 mg /Kg 50 mg /Kg 104% 70 -130% LCS TPH (C6 to C35) 92.4 mg /Kg 100 mg /Kg 92% 75 -125% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 55.0 mg /Kg 50 mg /Kg 110% 70 -130% o- Terphenyl 53.2 mg /Kg 50 mg /Kg 106% 70 -130% LCSD TPH (C6 to C35) 82.9 mg /Kg 100 mg /Kg 83% 75 -125% 10.8% 0 -20% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 49.2 mg /Kg 50 mg /Kg 98% 70 -130% o- Terphenyl 47.4 mg /Kg 50 mg /Kg 95% 70 -130% MS TPH (C6 to C35) 75.3 mg /Kg ND 100 mg /Kg 75% 75 -125% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 52.4 mg /Kg 50 mg /Kg 105% 70 -130% o- Terphenyl 50.5 mg /Kg 50 mg /Kg 101% 70 -130% MSD TPH (C6 to C35) 70.1 mg /Kg ND 100 mg /Kg 70% 75 -125% 7.2% 0 -20% Q -7 Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 53.9 mg /Kg 50 mg /Kg 108% 70 -130% o- Terphenyl 52.8 mg /Kg 50 mg /Kg 106% 70 -130% QCBatchlD BTXM 04809 S Blank MTBE ND pg /kg Benzene ND pg /kg Toluene ND pg /kg Ethylbenzene ND pg /kg m,p- Xylene ND pg /kg o- Xylene ND pg /kg Xylenes (Total) ND pg /kg Surrogate Result Spike Conc Recovery Rec Limits 4- Bromofluorobenzene 47.5 pg /kg 50 pg /kg 95% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ,, ACCG. k r, v� Order ID: 0910334 .......... ' ©XIDOR Laboratories, LLB Date: 10/26/2009 Page 5of9 T104704227 -09 -TX 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 BTXM_04809_S LCS MTBE 45.8 pg/kg 50 Ng /kg 92% 70- 130% - - Benzene 47.6 pg /kg 50 pg /kg 95% 70 -130% Toluene 48.2 pg /kg 50 pg /kg 96% 70 -130% Ethylbenzene 49.7 pg /kg 50 pg /kg 99% 70 -130% m,p- Xylene 95.8 pg /kg 100 pg /kg 96% 70 -130% o- Xylene 48.3 pg /kg 50 N9 /kg 97% 70- 130% Surrogate Result Spike Conc Recovery Rec Limits 4 - Bromofluorobenzene 49.0 pg /kg 50 pg /kg 98% 70 -130% LCSD MTBE -- 46.8 pg/kg 50 Ng /kg 94% 70- 130% 2.3% 0 -25% Benzene 47.6 pg /kg 50 pg /kg 95% 70- 130% 0.1% 0 -25% Toluene 49.0 pg /kg 50 pg /kg 98% 70- 130% 1.6% 0 -25% Ethylbenzene 50.2 pg /kg 50 pg /kg 100% 70- 130% 1.0% 0 -25% m,p- Xylene 96.2 pg /kg 100 pg /kg 96% 70 -130% 0.4% 0 -25% o- Xylene 48.0 pg /kg 50 pg /kg 96% 70 -130% 0.6% 0 -25% Surrogate Result Spike Conc Recovery Rec Limits 4- Bromofluorobenzene 49.6 pg /kg 50 pg /kg 99% 70- 130% MS MTBE 49.0 pg /kg 4.04 pg /kg 50 pg /kg 90% 70- 130% Benzene 51.2 pg /kg ND 50 pg /kg 102% 70- 130% Toluene 50.9 pg /kg ND 50 pg /kg 102% 70 -130% Ethylbenzene 51.7 pg /kg ND 50 pg /kg 103% 70- 130% m,p- Xylene 100 pg /kg ND 100 pg /kg 100% 70- 130% o- Xylene 50.4 pg /kg ND 50 pg /kg 101% 70- 130% Surrogate Result Spike Conc Recovery Rec Limits 4- Bromofluorobenzene 48.6 pg /kg 50 pg /kg 97% 70- 130% MSD MTBE 47.7 pg /kg 4.04 p9 /kg 50 /k 87% 0% N9 9 87 /0 70 -130 /0 2.7% 0 -25% Benzene 49.6 pg /kg ND 50 pg /kg 99% 70- 130% 3.2% 0 -25% Toluene 49.1 pg /kg ND 50 pg /kg 98% 70 -130% 3.6% 0 -25% Ethylbenzene 52.0 pg /kg ND 50 pg /kg 104% 70- 130% 0.6% 0 -25% m,p- Xylene 99.4 pg /kg ND 100 pg /kg 99% 70 -130% 0.6% 0 -25% o- Xylene 50.3 pg /kg ND 50 pg /kg 101% 70 -130% 0.2% 0 -25% Surrogate Result Spike Conc Recovery Rec Limits 4- Bromofluorobenzene 49.8 pg /kg 50 pg /kg 100% 70- 130% QCBatchlD BTXM_05009_S Blank MTBE ND pg/kg - -- - Benzene ND pg /kg Toluene ND pg /kg Ethylbenzene ND pg /kg m,p- Xylene ND pg /kg o- Xylene ND pg /kg Xylenes (Total) ND pg /kg Surrogate Result Spike Conc Recovery Rec Limits 4- Bromofluorobenzene 45.0 pg /kg 50 pg /kg 90% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 nccOe °' Order ID: 0910334 • ", OXIDoR Laboratories LL <`� Date: 10/26/2009 0 . - Page 6 of 9 T104704227 -09 -TX 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 BTXM 05009 S LCS MTBE 47.4 pg /kg 50 pg /kg 95% 70 -130% Benzene 50.8 pg /kg 50 pg /kg 102% 70 -130% Toluene 50.6 pg /kg 50 pg /kg 101% 70 -130% Ethylbenzene 50.4 pg /kg 50 pg /kg 101% 70 -130% m,p- Xylene 99.9 pg /kg 100 pg /kg 100% 70 -130% o- Xylene 50.5 pg /kg 50 pg /kg 101% 70 -130% Surrogate Result Spike Conc Recovery Rec Limits 4- Bromofluorobenzene 49.3 pg /kg 50 pg /kg 99% 70 -130% LCSD MTBE 48.9 pg /kg 50 pg /kg 98% 70 -130% 3.2% 0 -25% Benzene 51.7 pg /kg 50 pg /kg 103% 70 -130% 1.7% 0 -25% Toluene 51.0 pg /kg 50 pg /kg 102% 70 -130% 0.8% 0 -25% Ethylbenzene 52.8 pg /kg 50 pg /kg 106% 70 -130% 4.7% 0 -25% m,p- Xylene 104 pg /kg 100 pg /kg 104% 70 -130% 4.0% 0 -25% o- Xylene 52.9 pg /kg 50 pg /kg 106% 70 -130% 4.6% 0 -25% Surrogate Result Spike Conc Recovery Rec Limits 4- Bromofluorobenzene 49.6 pg /kg 50 pg /kg 99% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ACCp � n + Order ID: 0910334 .` OxJDoR Laboratories LLC Date: 10 /26/2009 Page 7of9 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Case Narrative Project Name: Coppeil 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 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 PD 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 AC l'J OXIDo Laboratories, Order ID: 0910334 R L LLG �' Date: 10/26 /2009 1 • Page 8 of 9 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Sample Preservation Verification Project Name: Coppell Auto Center Receipt temp: 4.3 °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: Soil Comp. Drum Collected By: Brent Vollmer Oxidor Sample ID: 0910334 -001 Collector Affiliation: W &M Environmental Group, Inc. Collected: 10/16/09 Matrix: Solid Indicated Bottle Type Count Collection Method Parts / Interval Preservation pLi 4 oz Glass Jar 2 Composite Temp - Sample conditions at time of receipt at laboratory verified in part or in whole by: T.M. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano TX 75074 • TeL (972) 424 -6422 • Fax: (972) 424 -6508 Ac4D Order ID: 0910334 :a.: OXIDOR Labar.taries LLC ...� ` " Date: 10/26/2009 Page 9 of 9 T104704227 -09 -TX Chain of Custody PROJECT DESCRIPTION: Coppell Auto Center OxiI)Of: Laboratories, LLC Chain of Custody Record ' 1825 East Plano Parkway. 0180 �� ,u ∎ccc �� Plano. TX 75074 -8570 es . p e Y�� Page 1 0( • �?�' P 972 424 6422 F 972.424 [>S08 '1` custornerservlce ©oxidor co,, • Report Information Company Name /` Propel ed e R Curia Requested eqguested uested Turn .. : (1 pay and ASAP moat be vereurd vWm lay) Address 9 v ��_ m ( 7 -10 Days 5-7 Day 3 Days �,c ry�s 2 Daays�1 Day ASAP ��11i E. /O - J`17/ a•GT Project Nae �1 o # ^/re � City Stale Zip 76-079( Project Location -, • 7X raiiii Contact Name epee, ! /l Protect 1 94'a, 002. 003 Quote IS PO e reefE/vK Clh Contact EmaY 7ed,../4 e( -Le Sampler Name ABlliat /Company Phone 972) 5 4 - 9d/J Fax C� / 72) 5 - �iys Sampler Signal.. �j r `� ' 0Wna lr/ama (Orly f Different from above) Matrix Codes / lI / SpecaalInnsIruc lions Company Name L - (Auld 5 - Solid Address W - Wipes A - Air SA ft n ' ation Codas City rlT1� /(/fC 1 -Nona 4 • HCI Stale Zip 1 - None - -(NO, 5 - Ne014 - Please confirm conditional requests poor to additional analysis Contact Name 3 - H 0 ICs 7- omen ki Requested Analysis Ca m taer Codes Phone - - - - Fax P- Plastic G -Glass a O • Omer E S r o OXIDOR y yC 1 L, 2 Order ID Sample Info 4 e Customer Sample ID - 'g g A a y c 6 A O l� i 04 t 033 y Date Time ' / U v a 2 ., 001 ' Sort 6..p, Pr^t4»t to ho , .S/66C x O x Kx 2 4 8 B 10 12 12 14 15 Retapun by AtliWio0 Oal X / {- L V4�/a �� n 1i fQIn.I Received by A9iMrion Date Tyne Reknquisbed by MAO. Dela W X Tone Reserved by anaktoa ate none HWnqun Mdby X Aeiarion Day Time RecaNed for by 4.. p /�r�� ry �r s,bmidal a aampar signori* acceptance of OXIDOR 's Sta Terms and Condgkna r l . 08 /28 /5e. Rev. s a OXIDOR cannot accept verbal changes to leis document. Please favor email written modlbcations T -I 3 Temp at Recta* ._ —.. _._ .. ox -'f 9 www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 OX!i OR Laboratories, Li C Chain of Custody Record 1825 East Plano Parkway, i , 0; „,c c c . 4 Plano, TX 75074 -8570 � Page of — " ' P: 972 424 6422 F: 972.424.6508 <,.. � „”' ,, customerservice @oxidor com Q I � � Report Information Project Information Company Name / 6 Circl Requested Turn A • • me (1 Day and ASAP must be verified with lab) 1'L/ f' ( � v- _ 7 -10 Days 5 -7 Days 3 Days 2 Days 1 Day ASAP _ Address _ Project Name / e City State =. ° Zip 7 Project Location / Contact Name Project # itio 7 eel Quote # PO # Contact Email Sampler Name Affiliation / Company i �r (.2 f� >-/ e.:.G a6- .414411 / 47/E �B‘?1 t t ` , .1.1,,( Phone Fax e Sampler Signature Billing Information (Only 1 Different from above) Matrix Codes Special Instructions Company Name L - Liquid S - Solid W- Wipes A - Air Address y ,�' Presevation Codes S - A 1 - None 4 - HCI City -� State Zip 2 - HNO 5 - NaOH `Please confirm conditional requests prior to additional analysis 3 - H 6 - Ice �I Requested Analysis Contact Name 7 - Other Container Codes Phone Fax P - Plastic G - Glass = m m _ O - Other \ a d a m t S y OXIDOR a E L °' Order ID Sample Info - a' a s Customer Sample ID CO a) O ca- — to O m t) C y O r -2 p 7 2 E L E Date Time m o P OE 0��iN sa U a t? d i S (L p.; Pr;4441 ie ii( /cr 2. G 6 c )( KY .XX 2 3 4 5 6 7 8 9 10 ' 11 12 13 14 15 Relinquish by 0 - / Affiliation Dat6 4 i 0 Time Received by Affiliation Date Time t Relinquished by Affiliation Date (( Time Received by Affiliation Date Time x x Relinquished by Affiliation Date Time Received for 0 by DD Time x .� ' (/ y '1? ,7 t Submittal of samples signifies acceptance of OXIDOR's Sta Terms and Conditions f 7 08/28/06 - Rev 3 3 OXIDOR cannot accept verbai changes to this document. Please fax or email written modifications. Temp at Reciept -° °C OX _44S/ IIIIIIIIIIIIIIIINomms i OXIDOR Laboratory Review Checklist Cover Page Project Name: 940.002.004 Coppell Coppell, TX OXIDOR Job Number: 1003473 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 7 f _. President March 31, 2010 Name Signature r L 0 Official Title Date LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 1 of 4 l�:'�li l l¢<,[ i i1 0i 1 ,. l.F. Laboratory Review Checklist: Reportable Data Laboratory Name: OXIDOR Laboratories, LLC LRC Date: March 31, 2010 Project Name: 940.002.004 Coppell Laboratory Job Number 1003473 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 # Rl 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 R5 0I Test repostsfsummary 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 magic spike duplicate (MSC) 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 dupilCate 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 quanttten its( Mots) 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 OI Other problemslanomalles 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; I = 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 L \ItPOI 1. v': 1t 1 I A 3, 1 1 C I Laboratory Review Checklist: Supporting Data Laboratory Name: OXIDOR Laboratories, LLC LRC Date: March 31, 2010 Project Name: 940.002.004 Coppell Laboratory Job Number: 1003473 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 # S3 61 J>tial calibration (ICAL) 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 (CCV 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 S3 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 MMrital Standards (1S): Were IS area counts and retention times within the method - required QC limits? X S5 01 Raw data (NEL.A.0 section 1 appendtx A glossary, and section 5.12 or ISOfEC 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 Duel column confirmation Did dual column confirmation results meet the method - required QC? X S7 01 ;'Tentatively identified compounds (Ms): If TICs were requested, were the mass spectra and TIC data subject to appropriate checks? X S8 1 _Iritarference Check Sa r pte (ICS) results - Metals: Were percent recoveries within the method QC limits? X S9 1 StalaidilutIons, post digestion spikes, and method of standard additions - Metals Were percent differences, recoveries, and the linearity within the QC limits specified in the method? X MO 01 '; "bbitilad detection l (Ra studies Was a MDL study performed for each reported analyte? X Is the MDL either adjusted or supported by the analysis of DCSs? X S11 01 r Pagisiency test repo: 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 ^ Compoundianatyte identification procedures Are the procedures for compound / analyte identification documented? X S14 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 IfinfficiatjonfvelidtMon documentation tor methods ( NELAC Chap 5 or 1SO /IEC 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 C \ 11)C R j.. 1 Atoj Laboratory Review Checklist: Exception Reports Laboratory Name: OXIDOR Laboratories, LLC LRC Date: March 31, 2010 Project Name: 940.002.004 Coppell Laboratory Job Number: 1003473 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 Order ID: 1003473 a�i Laboratories, A` Date: 3/31/2010 ..�, OXIDOR LLC .. Page 1 of 18 T104704227 -09 -TX Wednesday, March 31, 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: 940.002.004 Coppell Project Number: 940.002.004 Project Location: Coppell, TX Oxidor received 1 solid sample(s). The analysis performed were as follows: Sample Sample ID Matrix Collected Analysis 1003473 -001 Drum Composite Solid 3/24/2010 10:58 Arsenic, Barium, Cadmium, Chromium, Dry Weight, Lead, Mercury, Selenium, Silver, Volatile Organic Compounds Respectfully submitted, J --- Charles Brungardt President c www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Order ID: 1003473 C�XID��R Laboratories LLC� t + Date: 3/31 /2010 ... ` � r. I ' _i Page 2 of 18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: 940.002.004 Coppell Customer Sample ID: Drum Composite Oxidor Sample ID: 1003473 -001 Matrix: Solid Sample Received: 3/24/2010 Sample Collected: 3/24/2010 10:58 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags General Chemistry % Solids 0.1 0.1 81.9 % 03/25/10 09:20 Dry Weight J.M. Metals Digested by method 3050B on 03/25/10 at 12 30 Arsenic 0.5 0.611 4.61 mg /Kg 03/25/10 18:37 6020 K.O. Barium 0.5 0.611 61.0 mg /Kg 03/25/10 18:37 6020 K.O. Cadmium 0.1 0.122 0.124 mg /Kg 03/25/10 18:37 6020 K.O. Chromium 0.5 0.611 12.2 mg /Kg 03/25/10 18:37 6020 K.O. Lead 0.5 0.611 7.20 mg /Kg 03/25/10 18:37 6020 K.O. Selenium 0.5 0.611 ND mg /Kg 03/25/10 18:37 6020 K.O. Silver 0.1 0.122 ND mg /Kg 03/25/10 18:37 6020 K.O. Digested by method 7471A on 03/25/10 at 12.35 Mercury 0.025 0.0305 ND mg /Kg 03/25/10 17:18 7471A K.O. Volatile Organic Compounds 1,1,1,2 - Tetrachloroethane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 1,1,1 - Trichloroethane 5 6.1 ND pg /kg 03/26/1022:28 8260B V.D.L. 1,1,2,2 - Tetrachloroethane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 1,1,2 - Trichloroethane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 1,1- Dichloroethane 5 6.1 ND pg /kg 03/26/1022:28 8260B V.D.L. 1,1- Dichloroethene 5 6.1 ND pg /kg 03/26/1022:28 8260B V.D.L. 1,1- Dichloropropene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 1,2,3 - Trichlorobenzene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 1,2,3- Trichloropropane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 1,2,4 - Trichlorobenzene 5 6.1 ND pg /kg 03/26/1022:28 8260B V.D.L. 1,2,4 - Trimethylbenzene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 1,2- Dibromo -3- 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. chloropropane 1,2- Dibromoethane 5 6.1 ND pg /kg 03/26/1022:28 8260B V.D.L. 1,2- Dichlorobenzene 5 6.1 ND pg /kg 03/26/1022:28 8260B V.D.L. 1,2- Dichloroethane 4 4.9 ND pg /kg 03/26/10 22:28 8260B V.D.L. 1,2- Dichloropropane 5 6.1 ND pg /kg 03/26/1022:28 82606 V.D.L. 1,3,5 - Trimethylbenzene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 1,3- Dichlorobenzene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 1,3- Dichloropropane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 1,4- Dichlorobenzene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 2,2- Dichloropropane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 2- Butanone 50 61.0 ND pg /kg 03/26/10 22:28 8260B V.D.L. 2- Chlorotoluene 5 6.1 ND pg /kg 03/26/1022:28 8260B V.D.L. 2- Hexanone 50 61.0 ND pg /kg 03/26/1022:28 8260B V.D.L. 4- Chlorotoluene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. 4- Methyl -2- pentanone 50 61.0 ND pg /kg 03/26/10 22:28 8260B V.D.L. Acetonitrile 50 61.0 ND pg /kg 03/26/10 22:28 8260B V.D.L. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 (� v T Order ID: 1003473 , OxIDOR Laboratories LLC -. � Date: 3/31/2010 �" - " Page 3 of 18 T104704227-09-TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: 940.002.004 Coppell Customer Sample ID: Drum Composite Oxidor Sample ID: 1003473 -001 Matrix: Solid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Acrylonitrile 20 24.4 ND pg /kg 03/26/10 22:28 8260B V.D.L. Benzene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Bromobenzene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Bromochloromethane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Bromodichloromethane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Bromoform 5 6.1 ND pg /kg 03/26/1022:28 82606 V.D.L. Bromomethane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Carbon Tetrachloride 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Chlorobenzene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Chloroethane 25 30.5 ND pg /kg 03/26/10 22:28 8260B V.D.L. ':hloroform 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. .;hloromethane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Cis -1,2- dichloroethene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Cis -1,3- dichloropropene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Dibromochloromethane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Dibromomethane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Dichlorodifluoromethane 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Ethylbenzene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Hexachlorobutadiene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Isopropylbenzene 5 6.1 ND pg /kg 03/26/10 22:28 82608 V.D.L. m,p- Xylene 10 12.2 ND pg /kg 03/26/10 22:28 8260B V.D.L. Methylene Chloride 4 4.9 ND pg /kg 03/26/10 22:28 8260B V.D.L. MTBE 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. N- butylbenzene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. N- propylbenzene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Naphthalene 10 12.2 ND pg /kg 03/26/10 22:28 8260B V.D.L. o- Xylene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. p- Isopropyltoluene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Sec - butylbenzene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Styrene 5 6.1 ND pg /kg 03/26/1022:28 8260B V.D.L. Tert - butylbenzene 5 6.1 ND pg /kg 03/26/10 22:28 82608 V.D.L. Tetrachloroethene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Toluene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Trans -1,2- dichloroethene 5 6.1 ND pg /kg 03/26/10 22:28 82608 V.D.L. Trans -1,3- dichloropropene 5 6.1 ND pg /kg 03/26/1022:28 8260B V.D.L. Trichloroethene 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Trichlorofluoromethane 5 6.1 ND pg /kg 03/26/10 22:28 82608 V.D.L. 'inylChloride 5 6.1 ND pg /kg 03/26/10 22:28 8260B V.D.L. Surrogate Result Units Spike Conc Recovery Rec Limits Dibromofluoromethane 53.3 pg /kg 50 pg /kg 107% 80 -120% 1,2 Dichloroethane -d4 54.7 pg /kg 50 pg /kg 109% 80 -120% Toluene -d8 51.3 pg /kg 50 pg /kg 103% 81 -117% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Order ID: 1003473 r ' - OXIDOR Laboratories, LLC., Oro Date: 3/31/2010 Page 4 of 18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: 940.002.004 Coppell Customer Sample ID: Drum Composite Oxidor Sample ID: 1003473 -001 Matrix: Solid Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags Volatile Organic Compounds Surrogate Result Units Spike Conc Recovery Rec Limits 4- Bromofluorobenzene 49.5 pg /kg 50 pg /kg 99% 74-121% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax (972) 424 -6508 ((��r LLC ID: 1003473 V�11�OR Laboratories, LLC r Date: 3/31/2010 +V * " ° Page 5 of 18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Sample Cross Reference Project Name: 940.002.004 Coppell Customer ID: Lab ID: Test Method QCBatchID: Drum Composite 1003473 -001 Dry Weight Dry Weight DW_05620_S Mercury 7471A MERC_07416_S Silver 6020 META_04429_S Selenium 6020 META_04429_S Lead 6020 META_04429_S Chromium 6020 META_04429_S Cadmium 6020 META_04429_S Barium 6020 META_04429_S Arsenic 6020 META_04429_S Volatile Organic Compounds 8260B VOC 09210_S www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano.. TX 75074 • Tei: (972) 424 -6422 • Fax: (972) 424 -6508 Order ID: 1003473 a•: OxIDoR Laboratories , LL i ' Date: 3/31/2010 Page 6 of 18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: 940.002.004 Coppell Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD DW 05620_S Replicate % Solids 82.1 % 81.9 % 0.2% 0 -20% QCBatchlD MERC_07416_S Blank Mercury ND mg /Kg LCS Mercury 0.0051 mg /L 0.005 mg /L 103% 85 -115% LCSD Mercury 0.0050 mg /L 0.005 mg /L 99% 85 -115% 2.9% 0 -25% MS Mercury 0.500 mg /Kg 0.0107 0.5 mg /Kg 100% 80 -120% MSD Mercury 0.500 mg /Kg 0.0107 0.5 mg /Kg 100% 80 -120% 0.1% 0 -25% QCBatchlD META_04429_S Blank Arsenic ND mg /Kg Barium ND mg /Kg Cadmium ND mg /Kg Chromium ND mg /Kg Lead ND mg /Kg Selenium ND mg /Kg Silver ND mg /Kg LCS Arsenic 0.952 mg /L 1 mg /L 95% 85 -115% Barium 10.3 mg /L 11 mg /L 93% 85 -115% Cadmium 0.975 mg /L 1 mg /L 98% 85 -115% Chromium 0.939 mg /L 1 mg /L 94% 85 -115% Lead 10.0 mg /L 11 mg /L 91% 85 -115% Selenium 0.996 mg /L 1 mg /L 100% 85 -115% Silver 0.957 mg /L 1 mg /L 96% 85 -115% LCSD Arsenic 0.964 mg /L 1 mg /L 96% 85 -115% 1.2% 0 -20% Barium 10.3 mg /L 11 mg /L 93% 85 -115% 0.3% 0 -20% Cadmium 0.980 mg /L 1 mg /L 98% 85 -115% 0.5% 0 -20% Chromium 0.946 mg /L 1 mg /L 95% 85 -115% 0.8% 0 -20% Lead 10.1 mg /L 11 mg /L 92% 85 -115% 1.0% 0 -20% Selenium 0.960 mg /L 1 mg /L 96% 85 -115% 3.7% 0 -20% Silver 0.961 mg /L 1 mg /L 96% 85 -115% 0.4% 0 -20% MS Arsenic 55.2 mg /Kg 3.78 mg /Kg 50 mg /Kg 103% 80 -120% Barium 578 mg /Kg 49.9 mg /Kg 550 mg /Kg 96% 80 -120% Cadmium 49.7 mg /Kg 0.102 mg /Kg 50 mg /Kg 99% 80 -120% Chromium 59.8 mg /Kg 10.0 mg /Kg 50 mg /Kg 100% 80 -120% Lead 518 mg /Kg 5.90 mg /Kg 550 mg /Kg 93% 80 -120% Selenium 53.0 mg /Kg 0.479 mg /Kg 50 mg /Kg 105% 80 -120% Silver 49.0 mg /Kg ND 50 mg /Kg 98% 80 -120% MSD Arsenic 51.8 mg /Kg 3.78 mg /Kg 50 mg /Kg 96% 80 -120% 6.3% 0 -20% Barium 572 mg /Kg 49.9 mg /Kg 550 mg /Kg 95% 80 -120% 1.0% 0 -20% Cadmium 48.8 mg /Kg 0.102 mg /Kg 50 mg /Kg 97% 80 -120% 1.9% 0 -20% Chromium 58.2 mg /Kg 10.0 mg /Kg 50 mg /Kg 96% 80 -120% 2.7% 0 -20% Lead 510 mg /Kg 5.90 mg /Kg 550 mg /Kg 92% 80 -120% 1.6% 0 -20% Selenium 50.2 mg /Kg 0.479 mg /Kg 50 mg /Kg 100% 80 -120% 5.3% 0 -20% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 } 1.- ACcora_ (�� j T L j Order ID: 1003473 misissramt V[11 R Laboratories, LB` ° ,r � Date: 3/31/2010 . Page 7 of 18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: 940.002.004 Coppell Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD META 04429 S Silver 48.2 mg /Kg ND 50 mg /Kg 96% 80 -120% 1.6% 0 -20% QCBatchlD VOC 09210_S Blank Dichlorodifluoromethane ND pg /kg Chloromethane ND pg /kg Vinyl Chloride ND pg /kg Bromomethane ND pg /kg Chloroethane ND pg /kg Trichlorofluoromethane ND pg /kg 1,1- Dichloroethene ND pg /kg Acetonitrile ND pg /kg Methylene Chloride ND pg /kg Acrylonitrile ND pg /kg Trans -1,2- dichloroethene ND pg /kg MTBE ND pg /kg 1,1- Dichloroethane ND pg /kg 2,2- Dichloropropane ND pg /kg Cis -1,2- dichloroethene ND pg /kg 2- Butanone ND pg /kg Bromochloromethane ND pg /kg Chloroform ND pg /kg 1,1,1 - Trichloroethane ND pg /kg 1,1- Dichloropropene ND pg /kg Carbon Tetrachloride ND pg /kg Benzene ND pg /kg 1,2- Dichloroethane ND pg /kg Trichloroethene ND pg /kg 1,2- Dichloropropane ND pg /kg Dibromomethane ND pg /kg Bromodichloromethane ND pg /kg Cis -1,3- dichloropropene ND pg /kg 4- Methyl- 2- pentanone ND pg /kg Toluene ND pg /kg Trans -1,3- dichloropropene ND pg /kg 1,1,2 - Trichloroethane ND pg /kg 1,3- Dichloropropane ND pg /kg Tetrachloroethene ND pg /kg 2- Hexanone ND pg /kg Dibromochloromethane ND pg /kg 1,2- Dibromoethane ND pg /kg Chlorobenzene ND pg /kg 1,1,1,2- Tetrachloroethane ND pg /kg Ethylbenzene ND pg /kg m,p- Xylene ND pg /kg www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Order ID: 1003473 � � - Date: 3/31!2010 OXIDOR Laboratories, LLC � i . ' ' 2 Page 8 of 18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: 940.002.004 Coppell Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC o- Xylene ND pg /kg Styrene ND pg /kg Bromoform ND pg /kg Isopropylbenzene ND pg /kg 1,1,2,2- Tetrachloroethane ND pg /kg Bromobenzene ND pg /kg 1,2,3 - Trichloropropane ND pg /kg N- propylbenzene ND pg /kg 2- Chlorotoluene ND pg /kg 1,3,5 - Trimethylbenzene ND pg /kg 4- Chlorotoluene ND pg /kg Tert - butylbenzene ND pg /kg 1,2,4 - Trimethylbenzene ND pg /kg Sec - butylbenzene ND pg /kg 1,3- Dichlorobenzene ND pg /kg p- Isopropyltoluene ND pg /kg 1,4- Dichlorobenzene ND pg /kg N- butylbenzene ND pg /kg 1,2- Dichlorobenzene ND pg /kg 1,2- Dibromo -3- ND pg /kg chloropropane 1,2,4 - Trichlorobenzene ND pg /kg Hexachlorobutadiene ND pg /kg Naphthalene ND pg /kg 1,2,3 - Trichlorobenzene ND pg /kg Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 52.7 pg /kg 50 pg /kg 105% 80 -120% 1,2 Dichloroethane -d4 53.4 pg /kg 50 pg /kg 107% 80 -120% Toluene -d8 52.7 pg /kg 50 pg /kg 105% 81 -117% 4- Bromofluorobenzene 49.8 pg /kg 50 pg /kg 100% 74-121% LCS Dichlorodifluoromethane 50.9 pg /kg 50 pg /kg 102% 70 -130% Chloromethane 50.2 pg /kg 50 pg /kg 100% 70 -130% Vinyl Chloride 53.1 pg /kg 50 pg /kg 106% 70 -130% Bromomethane 52.2 pg /kg 50 pg /kg 104% 70 -130% Chloroethane 47.3 pg /kg 50 pg /kg 95% 70 -130% Trichlorofluoromethane 57.3 pg /kg 50 pg /kg 115% 70 -130% 1,1- Dichloroethene 55.8 pg /kg 50 pg /kg 112% 70- 130% Acetonitrile 44.1 pg /kg 50 pg /kg 88% 60- 140% Methylene Chloride 56.0 pg /kg 50 pg /kg 112% 70 -130% Acrylonitrile 52.0 pg /kg 50 pg /kg 104% 60 -140% Trans -1,2- dichloroethene 51.7 pg /kg 50 pg /kg 103% 70 -130% MTBE 49.6 pg /kg 50 pg /kg 99% 70 -130% 1,1- Dichloroethane 52.9 pg /kg 50 pg /kg 106% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 c � Order ID: 1003473 ramooloon OxIDOR Laboratories, LL „' t Date: 3/31/2010 �" Page9of18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: 940.002.004 Coppell Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC S 2,2- Dichloropropane 53.9 pg /kg 50 pg /kg 108% 70 -130% Cis -1,2- dichloroethene 53.6 pg /kg 50 pg /kg 107% 70- 130% 2- Butanone 50.3 pg /kg 50 pg /kg 101% 60 -140% Bromochloromethane 53.9 pg /kg 50 pg /kg 108% 60 -140% Chloroform 53.7 pg /kg 50 pg /kg 107% 70 -130% 1,1,1 - Trichloroethane 52.6 pg /kg 50 pg /kg 105% 70 -130% 1,1- Dichloropropene 52.1 pg /kg 50 pg /kg 104% 40- 160% Carbon Tetrachloride 52.2 pg /kg 50 pg /kg 104% 70 -130% Benzene 50.9 pg /kg 50 pg /kg 102% 70 -130% 1,2- Dichloroethane 50.0 pg /kg 50 pg /kg 100% 70 -130% Trichloroethene 51.2 pg /kg 50 pg /kg 102% 70 -130% 1,2- Dichloropropane 50.4 pg /kg 50 pg /kg 101% 70 -130% Dibromomethane 51.4 pg /kg 50 pg /kg 103% 70 -130% Bromodichloromethane 51.7 pg /kg 50 pg /kg 103% 70 -130% Cis -1,3- dichloropropene 51.8 pg /kg 50 pg /kg 104% 70 -130% 4- Methyl- 2- pentanone 47.2 pg /kg 50 pg /kg 94% 60 -140% Toluene 50.8 pg /kg 50 pg /kg 102% 70 -130% Trans -1,3- dichloropropene 52.8 pg /kg 50 pg /kg 106% 70 -130% 1,1,2 - Trichloroethane 51.0 pg /kg 50 pg /kg 102% 70- 130% 1,3- Dichloropropane 49.8 pg /kg 50 pg /kg 100% 70 -130% Tetrachloroethene 53.8 pg /kg 50 pg /kg 108% 70 -130% 2- Hexanone 46.1 pg /kg 50 pg /kg 92% 60 -140% Dibromochloromethane 51.1 pg /kg 50 pg /kg 102% 70 -130% 1,2- Dibromoethane 50.3 pg /kg 50 pg /kg 101% 70 -130% Chlorobenzene 51.0 pg /kg 50 pg /kg 102% 70- 130% 1,1,1,2 - Tetrachloroethane 50.9 pg /kg 50 pg /kg 102% 70 -130% Ethylbenzene 50.7 pg /kg 50 pg /kg 101% 70 -130% m,p- Xylene 102 pg /kg 100 pg /kg 102% 70 -130% o- Xylene 51.2 pg /kg 50 pg /kg 102% 70 -130% Styrene 51.9 pg /kg 50 pg /kg 104% 70 -130% Bromoform 46.2 pg /kg 50 pg /kg 92% 70 -130% Isopropylbenzene 51.3 pg /kg 50 pg /kg 103% 70 -130% 1,1,2,2 - Tetrachloroethane 48.2 pg /kg 50 pg /kg 96% 70 -130% Bromobenzene 51.0 pg /kg 50 pg /kg 102% 70 -130% 1,2,3 - Trichloropropane 49.1 pg /kg 50 pg /kg 98% 70 -130% N- propylbenzene 54.6 pg /kg 50 pg /kg 109% 70 -130% 2- Chlorotoluene 50.0 pg /kg 50 pg /kg 100% 70 -130% 1,3,5 - Trimethylbenzene 52.4 pg /kg 50 pg /kg 105% 70 -130% 4- Chlorotoluene 53.6 pg /kg 50 pg /kg 107% 70 -130% Tert- butylbenzene 53.0 pg /kg 50 pg /kg 106% 70 -130% 1,2,4 - Trimethylbenzene 51.0 pg /kg 50 pg /kg 102% 70 -130% Sec - butylbenzene 51.8 pg /kg 50 pg /kg 104% 70 -130% 1,3- Dichlorobenzene 51.3 pg /kg 50 pg /kg 103% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 . y,+ .. Order ID: 1003473 s r `" 71 : OXIDOR Laboratories, LLC " 2 Date: 3/31/2010 - Page10of18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: 940.002.004 Coppell Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC S p- Isopropyltoluene 52.3 pg /kg 50 pg /kg 105% 70 -130% 1,4- Dichlorobenzene 50.9 pg /kg 50 pg /kg 102% 70 -130% N- butylbenzene 53.8 pg /kg 50 pg /kg 108% 70 -130% 1,2- Dichlorobenzene 51.2 pg /kg 50 pg /kg 102% 70 -130% 1,2- Dibromo -3- 47.0 pg /kg 50 pg /kg 94% 70 -130% chloropropane 1,2,4 - Trichlorobenzene 49.8 pg /kg 50 pg /kg 100% 70 -130% Hexachlorobutadiene 50.0 pg /kg 50 pg /kg 100% 70 -130% Naphthalene 46.8 pg /kg 50 pg /kg 94% 70 -130% 1,2,3 - Trichlorobenzene 49.4 pg /kg 50 pg /kg 99% 70 -130% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 52.6 pg /kg 50 pg /kg 105% 80 -120% 1,2 Dichloroethane -d4 50.8 pg /kg 50 pg /kg 102% 80 -120% Toluene -d8 52.1 pg /kg 50 pg /kg 104% 81 -117% 4- Bromofluorobenzene 51.1 pg /kg 50 pg /kg 102% 74-121% LCSD Dichlorodifluoromethane 49.8 pg /kg 50 pg /kg 100% 70 -130% 2.2% 0 -25% Chloromethane 50.0 pg /kg 50 pg /kg 100% 70 -130% 0.4% 0 -25% Vinyl Chloride 52.3 pg /kg 50 pg /kg 105% 70 -130% 1.5% 0 -25% Bromomethane 55.4 pg /kg 50 pg /kg 111% 70 -130% 5.9% 0 -25% Chloroethane 49.8 pg /kg 50 pg /kg 100% 70 -130% 5.1% 0 -25% Trichlorofluoromethane 56.9 pg /kg 50 pg /kg 114% 70 -130% 0.7% 0 -25% 1,1- Dichloroethene 53.8 pg /kg 50 pg /kg 108% 70 -130% 3.6% 0 -25% Acetonitrile 49.3 pg /kg 50 pg /kg 99% 60 -140% 11.1% 0 -25% Methylene Chloride 54.6 pg /kg 50 pg /kg 109% 70 -130% 2.5% 0 -25% Acrylonitrile 50.5 pg /kg 50 pg /kg 101% 60 -140% 2.9% 0 -25% Trans -1,2- dichloroethene 50.9 pg /kg 50 pg /kg 102% 70 -130% 1.6% 0 -25% MTBE 49.0 pg /kg 50 pg /kg 98% 70 -130% 1.2% 0 -25% 1,1- Dichloroethane 51.8 pg /kg 50 pg /kg 104% 70 -130% 2.1% 0 -25% 2,2- Dichloropropane 53.1 pg /kg 50 pg /kg 106% 70 -130% 1.5% 0 -25% Cis -1,2- dichloroethene 53.8 pg /kg 50 pg /kg 108% 70 -130% 0.4% 0 -25% 2- Butanone 47.1 pg /kg 50 pg /kg 94% 60 -140% 6.6% 0 -25% Bromochloromethane 52.3 pg /kg 50 pg /kg 105% 60 -140% 3.0% 0 -25% Chloroform 52.8 pg /kg 50 pg /kg 106% 70 -130% 1.7% 0 -25% 1,1,1 - Trichloroethane 53.1 pg /kg 50 pg /kg 106% 70 -130% 0.9% 0 -25% 1,1- Dichloropropene 51.3 pg /kg 50 pg /kg 103% 40 -160% 1.5% 0 -25% Carbon Tetrachloride 52.2 pg /kg 50 pg /kg 104% 70 -130% 0.0% 0 -25% Benzene 51.4 pg /kg 50 pg /kg 103% 70 -130% 1.0% 0 -25% 1,2- Dichloroethane 49.6 pg /kg 50 pg /kg 99% 70 -130% 0.8% 0 -25% Trichloroethene 50.9 pg /kg 50 pg /kg 102% 70 -130% 0.6% 0 -25% 1,2- Dichloropropane 50.6 pg /kg 50 pg /kg 101% 70 -130% 0.4% 0 -25% Dibromomethane 51.3 pg /kg 50 pg /kg 103% 70 -130% 0.2% 0 -25% Bromodichloromethane 51.3 pg /kg 50 pg /kg 103% 70 -130% 0.8% 0 -25% Cis -1,3- dichloropropene 52.5 pg /kg 50 pg /kg 105% 70 -130% 1.3% 0 -25% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ,�, t . rte 1 Order ID: 1003473 � � ` OXIDoR Laboratories, LL 4' Date: 3/31/2010 J Page 11 of 18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: 940.002.004 Coppell Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 09210_S 4- Methyl -2- pentanone 47.6 pg /kg 50 pg /kg 95% 60 -140% 0.8% 0 -25% Toluene 51.9 pg /kg 50 pg /kg 104% 70 -130% 2.1% 0 -25% Trans -1,3- dichloropropene 53.1 pg /kg 50 pg /kg 106% 70 -130% 0.6% 0 -25% 1,1,2 - Trichloroethane 51.0 pg /kg 50 pg /kg 102% 70 -130% 0.0% 0 -25% 1,3- Dichloropropane 50.2 pg /kg 50 pg /kg 100% 70 -130% 0.8% 0 -25% Tetrachloroethene 54.6 pg /kg 50 pg /kg 109% 70 -130% 1.5% 0 -25% 2- Hexanone 46.4 pg /kg 50 pg /kg 93% 60 -140% 0.6% 0 -25% Dibromochloromethane 51.3 pg /kg 50 pg /kg 103% 70 -130% 0.4% 0 -25% 1,2- Dibromoethane 50.8 pg /kg 50 pg /kg 102% 70 -130% 1.0% 0 -25% Chlorobenzene 51.7 pg /kg 50 pg /kg 103% 70 -130% 1.4% 0 -25% 1,1,1,2 - Tetrachloroethane 51.3 pg /kg 50 pg /kg 103% 70 -130% 0.8% 0 -25% Ethylbenzene 50.1 pg /kg 50 pg /kg 100% 70- 130% 1.2% 0 -25% m,p- Xylene 102 pg /kg 100 pg /kg 102% 70 -130% 0.0% 0 -25% o- Xylene 50.9 pg /kg 50 pg /kg 102% 70 -130% 0.6% 0 -25% Styrene 51.3 pg /kg 50 pg /kg 103% 70 -130% 1.2% 0 -25% Bromoform 46.2 pg /kg 50 pg /kg 92% 70 -130% 0.0% 0 -25% Isopropylbenzene 50.8 pg /kg 50 pg /kg 102% 70 -130% 1.0% 0 -25% 1,1,2,2 - Tetrachloroethane 48.4 pg /kg 50 pg /kg 97% 70 -130% 0.4% 0 -25% Bromobenzene 51.6 pg /kg 50 pg /kg 103% 70 -130% 1.2% 0 -25% 1,2,3 - Trichloropropane 49.2 pg /kg 50 pg /kg 98% 70 -130% 0.2% 0 -25% N- propylbenzene 53.7 pg /kg 50 pg /kg 107% 70 -130% 1.7% 0 -25% 2- Chlorotoluene 51.0 pg /kg 50 pg /kg 102% 70 -130% 2.0% 0 -25% 1,3,5 - Trimethylbenzene 51.8 pg /kg 50 pg /kg 104% 70 -130% 1.2% 0 -25% 4- Chlorotoluene 53.3 pg /kg 50 pg /kg 107% 70 -130% 0.6% 0 -25% Tert - butylbenzene 52.5 pg /kg 50 pg /kg 105% 70 -130% 0.9% 0 -25% 1,2,4 - Trimethylbenzene 50.9 pg /kg 50 pg /kg 102% 70 -130% 0.2% 0 -25% Sec - butylbenzene 51.7 pg /kg 50 pg /kg 103% 70 -130% 0.2% 0 -25% 1,3- Dichlorobenzene 51.0 pg /kg 50 pg /kg 102% 70 -130% 0.6% 0 -25% p- Isopropyltoluene 52.0 pg /kg 50 pg /kg 104% 70 -130% 0.6% 0 -25% 1,4- Dichlorobenzene 50.7 pg /kg 50 pg /kg 101% 70 -130% 0.4% 0 -25% N- butylbenzene 53.8 pg /kg 50 pg /kg 108% 70 -130% 0.0% 0 -25% 1,2- Dichlorobenzene 51.6 pg /kg 50 pg /kg 103% 70 -130% 0.8% 0 -25% 1,2- Dibromo -3- 47.7 pg /kg 50 pg /kg 95% 70- 130% 1.5% 0 -25% chloropropane 1,2,4 - Trichlorobenzene 50.9 pg /kg 50 pg /kg 102% 70 -130% 2.2% 0 -25% Hexachlorobutadiene 49.0 pg /kg 50 pg /kg 98% 70 -130% 2.0% 0 -25% Naphthalene 48.3 pg /kg 50 pg /kg 97% 70 -130% 3.2% 0 -25% 1,2,3 - Trichlorobenzene 50.2 pg /kg 50 pg /kg 100% 70 -130% 1.6% 0 -25% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 52.4 pg /kg 50 pg /kg 105% 80 -120% 1,2 Dichloroethane -d4 51.0 pg /kg 50 pg /kg 102% 80 -120% Toluene -d8 53.2 pg /kg 50 pg /kg 106% 81 -117% 4- Bromofluorobenzene 51.3 pg /kg 50 pg /kg 103% 74-121% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 _ G t ' Order ID: 1003473 OXIDOR Laboratories, LL1, - Date: 3/31/2010 `�` W # Page 12 of 18 7104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: 940.002.004 Coppell Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC MS Dichlorodifluoromethane 52.0 pg /kg ND 50 pg /kg 104% 70 -130% Chloromethane 51.0 pg /kg ND 50 pg /kg 102% 70 -130% Vinyl Chloride 53.6 pg /kg ND 50 pg /kg 107% 70 -130% Bromomethane 54.3 pg /kg ND 50 pg /kg 109% 70 -130% Chloroethane 53.3 pg /kg ND 50 pg /kg 107% 70 -130% Trichlorofluoromethane 58.6 pg /kg ND 50 pg /kg 117% 70 -130% 1,1- Dichloroethene 56.0 pg /kg ND 50 pg /kg 112% 70 -130% Acetonitrile 49.0 pg /kg ND 50 pg /kg 98% 60 -140% Methylene Chloride 55.6 pg /kg ND 50 pg /kg 111% 70 -130% Acrylonitrile 51.0 pg /kg ND 50 pg /kg 102% 60 -140% Trans -1,2- dichloroethene 51.9 pg /kg ND 50 pg /kg 104% 70 -130% MTBE 50.7 pg /kg ND 50 pg /kg 101% 70 -130% 1,1- Dichloroethane 53.0 pg /kg ND 50 pg /kg 106% 70 -130% 2,2- Dichloropropane 54.1 pg /kg ND 50 pg /kg 108% 70 -130% Cis -1,2- dichloroethene 53.3 pg /kg ND 50 pg /kg 107% 70 -130% 2- Butanone 46.0 pg /kg ND 50 pg /kg 92% 60 -140% Bromochloromethane 54.0 pg /kg ND 50 pg /kg 108% 60 -140% Chloroform 53.4 pg /kg ND 50 pg /kg 107% 70 -130% 1,1,1 - Trichloroethane 52.2 pg /kg ND 50 pg /kg 104% 70 -130% 1,1- Dichloropropene 49.9 pg /kg ND 50 pg /kg 100% 40 -160% Carbon Tetrachloride 50.3 pg /kg ND 50 pg /kg 101% 70 -130% Benzene 51.0 pg /kg ND 50 pg /kg 102% 70 -130% 1,2- Dichloroethane 50.1 pg /kg ND 50 pg /kg 100% 70 -130% Trichloroethene 52.0 pg /kg ND 50 pg /kg 104% 70 -130% 1,2- Dichloropropane 52.3 pg /kg ND 50 pg /kg 105% 70 -130% Dibromomethane 54.2 pg /kg ND 50 pg /kg 108% 70 -130% Bromodichloromethane 53.5 pg /kg ND 50 pg /kg 107% 70 -130% Cis -1,3- dichloropropene 51.9 pg /kg ND 50 pg /kg 104% 70 -130% 4- Methyl -2- pentanone 48.5 pg /kg ND 50 pg /kg 97% 60 -140% Toluene 52.2 pg /kg ND 50 pg /kg 104% 70 -130% Trans -1,3- dichloropropene 53.3 pg /kg ND 50 pg /kg 107% 70 -130% 1,1,2 - Trichloroethane 53.3 pg /kg ND 50 pg /kg 107% 70 -130% 1,3- Dichloropropane 52.6 pg /kg ND 50 pg /kg 105% 70 -130% Tetrachloroethene 52.5 pg /kg ND 50 pg /kg 105% 70 -130% 2- Hexanone 44.2 pg /kg ND 50 pg /kg 88% 60 -140% Dibromochloromethane 52.5 pg /kg ND 50 pg /kg 105% 70 -130% 1,2- Dibromoethane 52.8 pg /kg ND 50 pg /kg 106% 70 -130% Chlorobenzene 53.2 pg /kg ND 50 pg /kg 106% 70 -130% 1,1,1,2- Tetrachloroethane 54.0 pg /kg ND 50 pg /kg 108% 70 -130% Ethylbenzene 51.5 pg /kg ND 50 pg /kg 103% 70- 130% m,p- Xylene 106 pg /kg ND 100 pg /kg 106% 70 -130% o- Xylene 52.8 pg /kg ND 50 pg /kg 106% 70 -130% Styrene 52.9 pg /kg ND 50 pg /kg 106% 70 -130% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 _� Order ID: 1003473 ,;,�„�. OxIDoR Labora tories LLC Date: 3/31/2010 1 J � � Page 13 of 18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: 940.002.004 Coppell Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 09210_S Bromoform 49.5 pg /kg ND 50 pg /kg 99% 70 -130% Isopropylbenzene 51.0 pg /kg ND 50 pg /kg 102% 70 -130% 1,1,2,2 - Tetrachloroethane 53.1 pg /kg ND 50 pg /kg 106% 70 -130% Bromobenzene 52.1 pg /kg ND 50 pg /kg 104% 70 -130% 1,2,3 - Trichloropropane 54.2 pg /kg ND 50 pg /kg 108% 70 -130% N- propylbenzene 52.1 pg /kg ND 50 pg/kg 104% 70 -130% 2- Chlorotoluene 50.4 pg /kg ND 50 pg /kg 101% 70 -130% 1,3,5 - Trimethylbenzene 50.4 pg /kg ND 50 pg /kg 101% 70 -130% 4- Chlorotoluene 52.4 pg /kg ND 50 pg /kg 105% 70 -130% Tert- butylbenzene 50.7 pg /kg ND 50 pg /kg 101% 70- 130% 1,2,4 - Trimethylbenzene 49.6 pg /kg ND 50 pg /kg 99% 70 -130% Sec - butylbenzene 48.1 pg /kg ND 50 pg /kg 96% 70 -130% 1,3- Dichlorobenzene 48.8 pg /kg ND 50 pg /kg 98% 70 -130% p- Isopropyltoluene 48.4 pg /kg ND 50 pg /kg 97% 70 -130% 1,4- Dichlorobenzene 49.2 pg /kg ND 50 pg /kg 98% 70 -130% N- butylbenzene 48.3 pg /kg ND 50 pg /kg 97% 70 -130% 1,2- Dichlorobenzene 49.5 pg /kg ND 50 pg /kg 99% 70 -130% 1,2- Dibromo -3- 49.3 pg /kg ND 50 pg /kg 99% 70 -130% chloropropane 1,2,4 - Trichlorobenzene 44.5 pg /kg ND 50 pg /kg 89% 70 -130% Hexachlorobutadiene 40.5 pg /kg ND 50 pg /kg 81% 70 -130% Naphthalene 45.7 pg /kg ND 50 pg /kg 91% 70 -130% 1,2,3 - Trichlorobenzene 44.3 pg /kg ND 50 pg /kg 89% 70 -130% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 51.7 pg /kg 50 pg /kg 103% 80 -120% 1,2 Dichloroethane -d4 49.8 pg /kg 50 pg /kg 100% 80 -120% Toluene -d8 52.5 pg /kg 50 pg /kg 105% 81 -117% 4- Bromofluorobenzene 51.5 pg /kg 50 pg/kg 103% 74 -121 % MSD Dichlorodifluoromethane 52.4 pg /kg ND 50 pg /kg 105% 70 -130% 0.8% 0 -25% Chloromethane 51.8 pg /kg ND 50 pg /kg 104% 70 -130% 1.6% 0 -25% Vinyl Chloride 55.2 pg /kg ND 50 pg /kg 110% 70 -130% 2.9% 0 -25% Bromomethane 54.2 pg /kg ND 50 pg /kg 108% 70 -130% 0.2% 0 -25% Chloroethane 52.7 pg /kg ND 50 pg /kg 105% 70 -130% 1.1% 0 -25% Trichlorofluoromethane 55.2 pg /kg ND 50 pg /kg 110% 70 -130% 6.0% 0 -25% 1,1- Dichloroethene 56.8 pg /kg ND 50 pg /kg 114% 70 -130% 1.4% 0 -25% Acetonitrile 51.4 pg /kg ND 50 pg /kg 103% 60 -140% 4.8% 0 -25% Methylene Chloride 58.0 pg /kg ND 50 pg /kg 116% 70 -130% 4.2% 0 -25% Acrylonitrile 54.4 pg /kg ND 50 pg /kg 109% 60 -140% 6.5% 0 -25% Trans -1,2- dichloroethene 52.9 pg /kg ND 50 pg /kg 106% 70- 130% 1.9% 0 -25% MTBE 53.3 pg /kg ND 50 pg /kg 107% 70 -130% 5.0% 0 -25% 1,1- Dichloroethane 54.0 pg /kg ND 50 pg /kg 108% 70 -130% 1.9% 0 -25% 2,2- Dichloropropane 54.6 pg /kg ND 50 pg /kg 109% 70 -130% 0.9% 0 -25% Cis -1,2- dichloroethene 54.5 pg /kg ND 50 pg /kg 109% 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 c )'' Order ID: 1003473 �XID��R Laboratories, LLC 3/31/2010 !. �f �# �, Page 14 of 18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: 940.002.004 Coppell Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC 2- Butanone 48.1 pg /kg ND 50 pg /kg 96% 60 -140% 4.5% 0 -25% Bromochloromethane 56.1 pg /kg ND 50 pg /kg 112% 60- 140% 3.8% 0 -25% Chloroform 54.6 pg /kg ND 50 pg /kg 109% 70 -130% 2.2% 0 -25% 1,1,1 - Trichloroethane 52.4 pg /kg ND 50 pg /kg 105% 70 -130% 0.4% 0 -25% 1,1- Dichloropropene 50.4 pg /kg ND 50 pg /kg 101% 40 -160% 1.0% 0 -25% Carbon Tetrachloride 50.6 pg /kg ND 50 pg /kg 101% 70 -130% 0.6% 0 -25% Benzene 51.4 pg /kg ND 50 pg /kg 103% 70 -130% 0.8% 0 -25% 1,2- Dichloroethane 51.3 pg /kg ND 50 pg /kg 103% 70 -130% 2.4% 0 -25% Trichloroethene 52.7 pg /kg ND 50 pg /kg 105% 70 -130% 1.3% 0 -25% 1,2- Dichloropropane 52.7 pg /kg ND 50 pg /kg 105% 70 -130% 0.8% 0 -25% Dibromomethane 55.7 pg /kg ND 50 pg /kg 111% 70 -130% 2.7% 0 -25% Bromodichloromethane 53.8 pg /kg ND 50 pg /kg 108% 70 -130% 0.6% 0 -25% Cis -1,3- dichloropropene 51.9 pg /kg ND 50 pg /kg 104% 70 -130% 0.0% 0 -25% 4- Methyl -2- pentanone 50.9 pg /kg ND 50 pg /kg 102% 60 -140% 4.8% 0 -25% Toluene 52.3 pg /kg ND 50 pg /kg 105% 70 -130% 0.2% 0 -25% Trans -1,3- dichloropropene 53.7 pg /kg ND 50 pg /kg 107% 70 -130% 0.7% 0 -25% 1,1,2 - Trichloroethane 55.4 pg /kg ND 50 pg /kg 111% 70 -130% 3.9% 0 -25% 1,3- Dichloropropane 53.5 pg /kg ND 50 pg /kg 107% 70 -130% 1.7% 0 -25% Tetrachloroethene 52.0 pg /kg ND 50 pg /kg 104% 70 -130% 1.0% 0 -25% 2- Hexanone 45.9 pg /kg ND 50 pg /kg 92% 60 -140% 3.8% 0 -25% Dibromochloromethane 53.6 pg /kg ND 50 pg /kg 107% 70 -130% 2.1% 0 -25% 1,2- Dibromoethane 54.1 pg /kg ND 50 pg /kg 108% 70 -130% 2.4% 0 -25% Chlorobenzene 56.1 pg /kg ND 50 pg /kg 112% 70 -130% 5.3% 0 -25% 1,1,1,2 - Tetrachloroethane 56.5 pg /kg ND 50 pg /kg 113% 70 -130% 4.5% 0 -25% Ethylbenzene 54.6 pg /kg ND 50 pg /kg 109% 70- 130% 5.8% 0 -25% m,p- Xylene 109 pg /kg ND 100 pg /kg 109% 70 -130% 2.8% 0 -25% o- Xylene 54.6 pg /kg ND 50 pg /kg 109% 70 -130% 3.4% 0 -25% Styrene 54.9 pg /kg ND 50 pg /kg 110% 70 -130% 3.7% 0 -25% Bromoform 52.5 pg /kg ND 50 pg /kg 105% 70 -130% 5.9% 0 -25% Isopropylbenzene 52.0 pg /kg ND 50 pg /kg 104% 70 -130% 1.9% 0 -25% 1,1,2,2 - Tetrachloroethane 56.2 pg /kg ND 50 pg /kg 112% 70 -130% 5.7% 0 -25% Bromobenzene 54.3 pg /kg ND 50 pg /kg 109% 70 -130% 4.1% 0 -25% 1,2,3 - Trichloropropane 59.0 pg /kg ND 50 pg /kg 118% 70 -130% 8.5% 0 -25% N- propylbenzene 52.7 pg /kg ND 50 pg /kg 105% 70 -130% 1.1% 0 -25% 2- Chlorotoluene 50.6 pg /kg ND 50 pg /kg 101% 70 -130% 0.4% 0 -25% 1,3,5 - Trimethylbenzene 51.2 pg /kg ND 50 pg /kg 102% 70 -130% 1.6% 0 -25% 4- Chlorotoluene 53.8 pg /kg ND 50 pg /kg 108% 70 -130% 2.6% 0 -25% Tert- butylbenzene 50.8 pg /kg ND 50 pg /kg 102% 70 -130% 0.2% 0 -25% 1,2,4 - Trimethylbenzene 49.8 pg /kg ND 50 pg /kg 100% 70 -130% 0.4% 0 -25% Sec- butylbenzene 47.9 pg /kg ND 50 pg /kg 96% 70 -130% 0.4% 0 -25% 1,3- Dichlorobenzene 49.7 pg /kg ND 50 pg /kg 99% 70 -130% 1.8% 0 -25% p- Isopropyltoluene 48.2 pg /kg ND 50 pg /kg 96% 70 -130% 0.4% 0 -25% 1,4- Dichlorobenzene 49.9 pg /kg ND 50 pg /kg 100% 70 -130% 1.4% 0 -25% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 , Order ID: 1003473 T .' OxIDoR Laboratories LL , � Date: 3/31/2010 " In Page 15 of 18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark QC Summary Project Name: 940.002.004 Coppell Reference Rec RPD QC Type Parameter Result Value Spike Conc Rec Limits RPD Limits Flags QCBatchlD VOC N- butylbenzene 46.6 pg /kg ND 50 pg /kg 93% 70 -130% 3.6% 0 -25% 1,2- Dichlorobenzene 49.9 pg /kg ND 50 pg /kg 100% 70 -130% 0.8% 0 -25% 1,2- Dibromo -3- 52.1 pg /kg ND 50 pg /kg 104% 70 -130% 5.5% 0 -25% chloropropane 1,2,4 - Trichlorobenzene 42.6 pg /kg ND 50 pg /kg 85% 70 -130% 4.4% 0 -25% Hexachlorobutadiene 38.8 pg /kg ND 50 pg /kg 78% 70 -130% 4.3% 0 -25% Naphthalene 45.8 pg /kg ND 50 pg /kg 92% 70 -130% 0.2% 0 -25% 1,2,3 - Trichlorobenzene 42.2 pg /kg ND 50 pg /kg 84% 70 -130% 4.9% 0 -25% Surrogate Result Spike Conc Recovery Rec Limits Dibromofluoromethane 54.0 pg /kg 50 pg /kg 108% 80 -120% 1,2 Dichloroethane -d4 52.1 pg /kg 50 pg /kg 104% 80 -120% Toluene -d8 54.0 pg /kg 50 pg /kg 108% 81 -117% 4- Bromofluorobenzene 54.2 pg /kg 50 pg /kg 108% 74-121% www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 Laboratories 09'. Order ID: 1003473 C�XII OR , LLC: ,. Date: 3/31/2010 Page 16 of 18 i �1 • T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Case Narrative Project Name: 940.002.004 Coppell 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 .; 4CCGn. Order ID: 1003473 Date. 3/31/2010 ..,,.�..,. OXIDOR Laboratories LLC Page 17 of 18 T104704227 -09 -TX W &M Environmental Group, Inc. Frank Clark Sample Preservation Verification Project Name: 940.002.004 Coppell 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: Drum Composite Collected By: Brent Volimar Oxidor Sample ID: 1003473 -001 Collector Affiliation: Collected: 03/24/10 10:58 Matrix: Solid Indicated Bottle Type Count Collection Method Parts / Interval Preservation pH 4 oz Glass Jar 2 Composite Temp - Sample conditions at time of receipt at laboratory verified in part or in whole by: H.Y. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax (972) 424 -6508 r` Ac CG , Y Order ID: 1003473 OXIDOR Laboratories, LLC ti "9 Date: 3/31/2010 i' 1�;. Page 18of18 T104704227 -09 -TX Chain of Custody PROJECT DESCRIPTION: 940.002.004 Coppell OXIDOR Laboratories, LLC Chain of Custody Record 45„,, 1825 East Plano Parkway, 8160 c ,� •0co / Plano, TX 75074 -8570 o`E � Page / of / P. 972 424 6422 F: 972.424 6508 customerservice�oxidor. cam R esor t Informelon _Project Information Company Name j� �1� Circle Requested Tun Ar• • Time 1 Day and ASAP must be verified with lab) I' �/�r7 y _ _Y�'r+^"� -- 7 -10 Days Days 3 Days 2 Days 1 Day ASAP dress 7 E- / Project Name 00 City P/ Shale T^ 14 2507 Project Location Tx Contact Name - }- R �� k R � Project t 9YD 002.O6 Y Quote i PO A — — ezif Contact Email r Sampler Naive 5,4. Affiliation / Cotrpany i4 /ouriife 41//t ar ,_ ce..- Dr WL V //•r... Phone Fax Sampler Signature Ming k forme on (Only if Oftef e4 from above) Matrix Codes Special Instructions • Company Name L • Liquid S - SoNd .. ._ - W - Wipes A - Air Address Presevation Codes _ 1 - None 4 - HCI _ City State Zip 2 - HNO 5 - NaOH 'Please content conditional requests Prior to additional analysis _ 3 - H,SO, 5 • Ice Requested Analysis Contact Name • 7- Other Container Codes - - Phone ... _ ' Fax ..... _. P - Plastic 0 - Glass ° a O - Other g o- OQ el u` ri .. g 9. Q OXIDOR Sample Info s V Y Order ID Customer Sample ID _ 1.5'1 S s g , 4 t D ate Time 5 o l' X s a y OOP r3 S e. V a U eL s R II V 001 t au— G.y s 4- 4bil /ot58 G 2 6 G C X X X X 2 - _ 3 5 ■ e • . 11 _ _ __ — _ t2 13 —.. _ 1e 15 .— Raaneieshe by /�o�,� Mlbw�aon 9 T ens Received by Afraeabn Date Time X L'� / ie !/5 : S i r X Re6taueMd by Allalelion ;Dar Time Retched by /Nation Owe Tens X _ x R.tnw.hed by Almaden Date Time Ree for OXIDOR b Date Time X X‘;,. / ,r CsG e,T , ,ed ,Vey //« i5• -Jr Submittal of samples signyias acceptance of OR's 'remand Conditions 0612e00e • Rev 3.3 OXIDOR cannot accept verbal change% to this document. Pisase as ol snail whiten modem .torts. Temp et Reeiept S./t •C 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 0 " ace °RC Plano. TX 75074 -8570 ... o' ,,c-,' 92F Page / of �. P. 972.424 6422 F: 972.424.6508 x customerservice @oxidor corn Report Information Project Information Company Name Circle Requested Turn Around Time (1 Day and ASAP must be verified with lab) 7 -10 Days - Days 3 Days 2 Days 1 Day ASAP Address / x / _ Project Name NO . D02 • OD U 4 ®/ V City /v (• State Ti/ Zip 75 7q Project Location /� P// T `I V. , Contact Name Project # 9 ) Dot 0 0 9 Quote # PO # RAWk ,0L. Contact Email Sampler Name Affiliation / Company It./4e/i& de✓4- ._r O r:. - 1/ /41 Phone Fax Sampler Signature � 9'7Z� So9- 4t/� el 1/ Billing Information (Only if Different from above) 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 Requested Analysis Contact Name 7 - Other Container Codes Phone Fax P - Plastic G - Glass c :u m O -Other a o a_ ce 0 O m m .0 S d .2 v e E. a a „ Z' OXIDOR Sample Info . ' c V Z ° c, Order ID x 0 c ° E ° \ O v Customer Sample ID o E 2 ° � O O O m `o o 2 m o N It* - �� 7.3 Date Time sc 0 0 v 0 1 ii. -.1 o 1 '''''00 C —, Ore,..,. &„ yh.. 1 00 /0:52 6 2 6 6 C X X XX Y 3 4 . 5 6 7 8 9 10 11 12 13 14 15 Reh..,_,shed b Affiliation Dat9 'Time ',ef , Received by Affiliation Date Time Relinquished by Affiliation Date Time Received by Affiliation Date Time X X Relinquished by Affiliation Date Time Received for OXIDOR by Date Time X X7`7 4s-4--y--. C h r , J.. f / r// /5. ' Submittal of sampies signifies acceptance of werwr<s Starma Terms and Conditions. 08/28/06 - Rev. 3.3 OXIDOR cannot accept verbal changes to this document. PleaseT5 - x or email written modifications. Temp at Reciept S.. °C V OXIDOR Laboratory Review Checklist Cover Page Project Name: 940.002.006 Coppell Auto Center Coppell, TX OXIDOR Job Number: 1007142 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 .J President July 13, 2010 Name Signature Official Title Date LRC Rev. 2.1, 031510 Oxidor Laboratories, LLC - 1825 E. Plano Pkwy, Suite 160 - Plano, Texas 75074 Page 1 of 4 >.rli..b....s TT sc_marw � \ / �E tj l.Ett?E lt'S, LL r ft) CI 6d '4tt' �-� t 6iik Laboratory Name: OXIDOR Laboratories, LLC LRC Date: July 13, 2010 Project Name: 940.002.006 Coppell Auto Center Laboratory Job Number: 1007142 W &M Environmental Group, Inc. Reviewer Name: James A. Narens, III QC Batch Number(s): See Cross - reference List # A Description En No NA ER # E2 mss „c„a�� as ", 1a 1.4% ' '# - ■■ Did samples meet the laboratory's standard conditions of sample acceptability upon receipt? ©--- Were all departures from standard conditions described in an exception report? - Imp= _ .■ Are all field sample ID numbers cross - referenced to the laboratory ID numbers? ©---_ Are all laboratory ID numbers cross - referenced to the corresponding QC data? ©--- Kowa "4 NI Were all samples prepared and analyzed within holding times? ©---_ Other than those results < MDL, were all other raw values bracketed by calibration standards? ©--- Were calculations checked by a peer or supervisor? ©--- Were all analyte identifications checked by a peer or supervisor? ©--- Were sample quantitation limits reported for all analytes not detected? ©--- Were all results for soil and sediment samples reported on a dry weight basis? ©---_ Were % moisture (or solids) reported for all soil and sediment samples? ©--- If required for the project, TICs reported? 11 © - ■■ Were surrogates added prior to extraction? ©--- Were surrogate recoveries in all samples within the laboratory QC limits? I©ll ER #1 '`",�� ` ,,k,. ~� „. `.•.; ” ' a„ ,,;te «,., ' '' } <`: .a, ,` , .a.y r. kin Were appropriate type(s) of blanks analyzed? ©---_ Were blanks analyzed at the required frequency? ©--- Were method blanks taken through the entire analytical process, including preparation and, if ©...■ applicable, cleanup procedures? Were blank concentrations < MQL? ©---_ 'w1:.SY.iirrier..;i3fritrMlk M Were all COCs included in the LCS? ©---_ Was each LCS taken through the entire analytical procedure, including prep and cleanup steps? ©---_ Were LCSs analyzed at the required frequency? ©---_ Does the detectability data document the laboratory's capability to detect the COCs at the MDL used Ellin■ to calculate the SQLs? Were LCS (and LCSD, if applicable) %Rs within the laboratory QC limits? ©--- Was the LCSD RPD within QC limits? ©---_ '� .4 #r .4GV Were the project/method specified analytes included in the MS and MSD? ©---_ Were MS /MSD analyzed at the appropriate frequency? ©--- Were MS (and MSD, if applicable) %Rs within the laboratory QC limits? I©-- ER #2 Were MS /MSD RPDs within laboratory QC limits? ©---_ ' mew'.# .#. . 4;4 44 Cill Were appropriate analytical duplicates analyzed for each matrix? ©---_ Were analytical duplicates analyzed at the appropriate frequency? ©--- Were RPDs or relative standard deviations within the laboratory QC limits? ©--- , ,.., 7 rc� Are the MQLs for each method analyte included in the laboratory data package? Do the MQLs correspond to the concentration of the lowest non -zero calibration standard? ©---_ Are unadjusted MQLs included in the laboratory data package? © MINIM _ Are all known problems /anomalies /special conditions noted in this LRC and ER? ©--- Were all necessary corrective actions performed for the reported data? ©--- Was applicable and available technology used to lower the SQL minimize the matrix interference Elnnn 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; I 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 1 1 )tE) I‘ 1 El 1lLE 1 1 i E .1 tik. ^ 4 " • ".. e ' >''.4 a.IP Laboratory Name: OXIDOR Laboratories, LLC LRC Date: July 13, 2010 Project Name: 940.002.006 Coppell Auto Center Laboratory Job Number: 1007142 W&M Environmental Group, Inc. Reviewer Name: James A. Narens, III QC Batch Number(s): See Cross-reference List # A Description rizi No NA ER# Were response factors and/or relative response factors for each analyte within QC limits? 1131INIMM Were percent RSDs or correlation coefficient criteria met? n=== Was the number of standards recommended in the method used for all analytes? El=111.= Were all points generated between the lowest and highest standard used to calculate the curve? =El Are ICAL data available for all instruments used? 131111=111 Has the initial calibration curve been verified using an appropriate second source standard? &ZEES AU* i;r:z PR tal; KEA Was the CCV analyzed at the method required frequency? KIM MIN Were percent differences for each analyte within the method-required QC limits? El Was the ICAL curve verified for each analyte? Was the absolute value of the analyte concentration in the inorganic CCB < MDL? 1311111== pEEEigi FEE E EEnEE EiEeEEEEE ',EwEEEkegiti naafi rat Was the appropriate compound for the method used for tuning? 11311M Were ion abundance data within the method-required QC limits? nmilow 1* 71 It ;44' (4tf,tfftftiS.YASMffMZVAVWtfZ4fkStttf ME *IX Eliff. Were IS area counts and retention times within the method-required QC limits? E1111.11. EETE:EZE. EE:: EEE;,....'::::EEEEEME,EEfrEELEfEEEEEE;ifEEIEEEEEE:lrrEEEEZEEtEEEEE;EEEEEEXttVE E.EN FEE E.E:z' Earle" Were the raw data (for example, chromatograms, spectral data) reviewed by an analyst? MINIM= Were data associated with manual integrations flagged on the raw data? KIMMINS ;r ...E..E.:E'EEEIIEE::!ViEEEP !TOE EiEE ;FEE" 11:0,11-.1 Did dual column confirmation results meet the method-required QC? =MEI= ;„' 7 r:,:EEEE - EEEEEEEEtfEECE'EEEitliriEEEA;EtitfateosRihxtgai:27,Eosiz,a2m If TICs were requested, were the mass spectra and TIC data subject to appropriate checks? =MEI= " ,; 12 Tie,77:".,;:M..1. Oill,S4,i.c ; t4 1 :V 4: 3 IIM Were percent recoveries within the method QC limits? 1311111.1111 ' urr :VP Were percent differences, recoveries, and the linearity within the QC limits specified in the method? Eiminmm Was a MDL study performed for each reported analyte? n=== Is the MDL either adjusted or supported by the analysis of DCSs? 1E11.011111 ' "'V'!"'''.".'ff'=„..1...004140:atereff,:#0fAtikei3OritathNt*,?*.0"*ArOit4344.*VW, jt:Opt . rpO : O Was the laboratory's performance acceptable on the applicable proficiency tests or evaluation studies? r 7 7 ;" F;-.r.rreo Are all standards used in the analysis NIST-traceable or obtained from other appropriate sources? El=== tv,f Are the procedures for compound/analyte identification documented? MIME.= EEEEEE1E5EEi.IVEE::EAREEEgiE;:EXEZWEitEEEffra :EEE:rr. Was DOC conducted consistent with NELAC Chapter 5C or ISO/IEC 4? MIMEO= Is documentation of the analyst's competency up-to-date and on file? 13=== ' = z‘k "7: • " Are all methods used to generate the data documented, verified, and validated, where applicable? 'EEE EEEE'E"EEE7r 77Er . E . E....EEEEE EEE.1E7 FVE, VICE Are laboratory SOPs current and on file for each method performed? n=1E1. I. 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 analyseg 1 inorganic analyses (and general cheniistry. sshen applicahle): 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 (— 11 ) ( ) E, 1.s�111L iCIli1..: L! } Laboratory Name: OXIDOR Laboratories, LLC LRC Date: July 13, 2010 Project Name: 940.002.006 Coppell Auto Center Laboratory Job Number: 1007142 W &M Environmental Group, Inc. Reviewer Name: James A. Narens, III QC Batch Number(s): See Cross - reference List ER #1 TPH MS surrogate percent recovery of 1- Chlorooctane for QC Batch ID 1005_02123AS was above Oxidor QC limits. ER #2 TPH MSD percent recovery of Co to C35 for QC Batch ID 1005_02123AS was higher than 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 oy. AL C u, ,t TT T� DO �� c Order ID: 1007142 �l La borafCries, �:1L �� ,� �` g Date: 7/13/2010 (� I Page 1 of 19 T104704227 -10 -4 Tuesday, July 13, 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: 940.002.006 Project Location: Coppell, TX Oxidor received 8 solid sample(s). The analysis performed were as follows: Sample Sample ID Matrix Collected Analysis 1007142 -001 CS -01 Solid 7/7/2010 16:10 Arsenic, Dry Weight, Lead, SPLP Arsenic, SPLP Lead, SPLP Non - volatile Extraction 1007142 -002 CS -02 Solid 7/7/2010 15:55 Arsenic, Dry Weight, Lead, SPLP Arsenic, SPLP Lead, SPLP Non - volatile Extraction 1007142 -003 CS -03 Solid 7/7/2010 16:15 Arsenic, Dry Weight, Lead, SPLP Arsenic, SPLP Lead, SPLP Non - volatile Extraction 1007142 -004 CS -04 Solid 7/7/2010 16:20 Arsenic, Dry Weight, Lead, SPLP Arsenic, SPLP Lead, SPLP Non - volatile Extraction 1007142 -005 CS -05 Solid 7/7/2010 16:05 Arsenic, Dry Weight, Lead, SPLP Arsenic, SPLP Lead, SPLP Non - volatile Extraction 1007142 -006 SP -01 Solid 7/7/2010 15:15 Dry Weight, TCLP Arsenic, TCLP Barium, TCLP Cadmium, TCLP Chromium, TCLP Lead, TCLP Mercury, TCLP Metals Extraction, TCLP Selenium, TCLP Silver, Total Petroleum Hydrocarbons 1007142 -007 SP -02 Solid 7/7/2010 15:30 Dry Weight, TCLP Arsenic, TCLP Barium, TCLP Cadmium, TCLP Chromium, TCLP Lead, TCLP Mercury, TCLP Metals Extraction, TCLP Selenium, TCLP Silver, Total Petroleum Hydrocarbons 1007142 -008 SP -03 Solid 7/7/2010 16:30 Arsenic, Dry Weight, Lead Respectfully submitted, Charles Brungardt President www.OXIDOR.corn • 1825 E Plano Parkway #160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 A(C jNC Order ID: 1007142 Oxtt)OR Laboratories, ',LC Date: 7/13/2010 74 Page 2 of 19 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: CS -01 Oxidor Sample ID: 1007142 -001 Matrix: Solid Sample Received: 7/7/2010 Sample Collected: 7/7/2010 16:10 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags General Chemistry % Solids 0.1 0.1 90.1 % 07/08/10 13:00 Dry Weight E.C. Metals Digested by method 3005A on 07/12/10 at 14:15 SPLP Arsenic 0.005 0.005 ND mg /L 07/12/10 23:42 6020 K.O. SPLP Lead 0.005 0.005 ND mg /L 07/12/10 23:42 6020 K.O. Digested by method 30508 on 07/12/10 at 15:15 Arsenic 0.5 0.555 11.6 mg /Kg 07/13/10 11:24 6020 K.O. Lead 0.5 0.555 11.3 mg /Kg 07/13/10 11:24 6020 K.O. Sample Prep SPLP Non - volatile Extraction SPLP Extraction 07/08/10 17:00 1312 K.O. www OXIDOR com • 1825 F Plane Parkway ;1160 • P!ano. TX 75074 • Tel (972) 424 -6422 • Fax: (972) 424 -6508 s Order ID: 1007142 r �-� Date: 7/13/2010 o o Y K ' �1 1' ° i Page 3of19 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: CS -02 Oxidor Sample ID: 1007142 -002 Matrix: Solid Sample Received: 7/7/2010 Sample Collected: 7/7/2010 15:55 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags General Chemistry % Solids 0.1 0.1 86.2 % 07/08/10 13:00 Dry Weight E.C. Metals Digested by method 3005A on 07/12/10 at 14:15 SPLP Arsenic 0.005 0.005 ND mg /L 07/12/10 23:48 6020 K.O. SPLP Lead 0.005 0.005 ND mg /L 07/12/10 23:48 6020 K.O. Digested by method 3050B on 07/12/10 at 15:15 Arsenic 0.5 0.580 6.42 mg /Kg 07/13/10 11:30 6020 K.O. Lead 0.5 0.580 10.8 mg /Kg 07/13/10 11:30 6020 K.O. Sample Prep SPLP Non - volatile Extraction SPLP Extraction 07/08/10 17:00 1312 K.O. www.OXIDOR.com • 1825 E Plano Parkway #160 • Plano. TX 75074 • TeL (972) 424 -6422 • Fax: (972) 424 -6508 ;, ACCnq ° 14" . Order ID: 1007142 0 \IID Laboratories, II �, • � i Date: 7/13/2010 a ; � µ` Page 4of19 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: CS -03 Oxidor Sample ID: 1007142 -003 Matrix: Solid Sample Received: 7/7/2010 Sample Collected: 7/7/2010 16:15 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags General Chemistry % Solids 0.1 0.1 90.8 % 07/08/10 13:00 Dry Weight E.C. Metals Digested by method 3005A on 07/12/10 at 14:15 SPLP Arsenic 0.005 0.005 ND mg /L 07/12/10 23:54 6020 K.O. SPLP Lead 0.005 0.005 ND mg /L 07/12/10 23:54 6020 K.O. Digested by method 3050B on 07/12/10 at 15.15 Arsenic 0.5 0.551 15.1 mg /Kg 07/13/10 11:36 6020 K.O. Lead 0.5 0.551 6.14 mg /Kg 07/13/10 11:36 6020 K.O. Sample Prep SPLP Non - volatile Extraction SPLP Extraction 07/08/10 17:00 1312 K.O. vo,vw OXIDOR.com • 1825 F Plano Parkv,/ :-ay 11160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 N AL CU ''��_ ,t,4„, .A Order ID: 1007142 (� i T i� T T T ri OxInoR Laboratories, 1.,1,( `o 4 Date: 7/13/2010 <, �"4 L Page 5of19 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: CS -04 Oxidor Sample ID: 1007142 -004 Matrix: Solid Sample Received: 7/7/2010 Sample Collected: 7/7/2010 16:20 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags General Chemistry % Solids 0.1 0.1 88.4 % 07/08/10 13:00 Dry Weight E.C. Metals Digested by method 3005A on 07/12/10 at 14:15 SPLP Arsenic 0.005 0.005 ND mg /L 07/13/10 6020 K.O. SPLP Lead 0.005 0.005 0.009 mg /L 07/13/10 6020 K.O. Digested by method 3050B on 07/12/10 at 15.15 Arsenic 0.5 0.566 4.19 mg /Kg 07/13/10 11:41 6020 K.O. Lead 0.5 5.48 146 mg /Kg 07/13/10 11:47 6020 K.O. D -1 Sample Prep SPLP Non - volatile Extraction SPLP Extraction 07/08/10 17:00 1312 K.O. www.OXIDOR.corn • 1825 E. Plano Parkway #160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 44 Order ID: 1007142 Laboratories, w� Date: 7/13/2010 �ai , ` q 44 P t Page 6 of 19 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: CS -05 Oxidor Sample ID: 1007142 -005 Matrix: Solid Sample Received: 7/7/2010 Sample Collected: 7/7/2010 16:05 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags General Chemistry % Solids 0.1 0.1 91.1 % 07/09/10 09:35 Dry Weight E.C. Metals Digested by method 3005A on 07/12/10 at 14:15 SPLP Arsenic 0.005 0.005 ND mg /L 07/13/10 00:05 6020 K.O. SPLP Lead 0.005 0.005 ND mg /L 07/13/10 00:05 6020 K.O. Digested by method 3050B on 07/12/10 at 15:15 Arsenic 0.5 0.549 4.21 mg /Kg 07/13/10 12:05 6020 K.O. Lead 0.5 0.549 4.83 mg /Kg 07/13/10 12:05 6020 K.O. Sample Prep SPLP Non - volatile Extraction SPLP Extraction 07/08/10 17:00 1312 K.O. ,tivvvw OXIDOR.corn • 1875 E Plano Parkway 4160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 1 ALCO =4 `. N c- ,, -c, Order ID: 1007142 T 1�1PC�P I� �Oi "4 �tJt ics 1:1� �� , . � , , ` : T104704227 -10 -4 Date: 7/13/2010 - ' Page 7 of 19 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: SP -01 Oxidor Sample ID: 1007142 -006 Matrix: Solid Sample Received: 7/7/2010 Sample Collected: 7/7/2010 15:15 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags General Chemistry % Solids 0.1 0.1 87.4 % 07/08/10 13:00 Dry Weight E.C. Metals Digested by method 3005A on 07/09/10 at 14:40 TCLP Arsenic 0.05 0.050 ND mg /L 07/09/10 21:10 6020 K.O. TCLP Barium 0.05 0.050 1.08 mg /L 07/09/10 21:10 6020 K.O. TCLP Cadmium 0.01 0.010 ND mg /L 07/09/10 21:10 6020 K.O. TCLP Chromium 0.05 0.050 ND mg /L 07/09/10 21:10 6020 K.O. TCLP Lead 0.05 0.050 ND mg /L 07/09/10 21:10 6020 K.O. TCLP Selenium 0.05 0.050 ND mg /L 07/09/10 21:10 6020 K.O. TCLP Silver 0.01 0.010 ND mg /L 07/09/10 21:10 6020 K.O. Digested by method 7470A on 07/09/10 at 12:30 TCLP Mercury 0.001 0.001 ND mg /L 07/09/10 18:07 7470A K.O. Total Petroleum Hydrocarbons Prepared by method TX 1005 on 07/12/10 at 10:30 TPH (C 6 to C12) 25 28.6 ND mg /Kg 07/12/10 20:14 TX 1005 T.N. TPH (C12 to C28) 25 28.6 104 mg /Kg 07/12/10 20:14 TX 1005 T.N. TPH (C28 to C35) 25 28.6 82.4 mg /Kg 07/12/10 20:14 TX 1005 T.N. TPH (C6 to C35) 25 28.6 186.4 mg /Kg 07/12/10 20:14 TX 1005 T.N. Surrogate Result Units Spike Conc Recovery Rec Limits 1- chlorooctane 50.3 mg /Kg 50 mg /Kg 101% 70 -130% o- Terphenyl 43.7 mg /Kg 50 mg /Kg 87% 70 -130% Sample Prep TCLP Metals Extraction TCLP Extraction 07/08/10 18:25 1311 K.O. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ` Arco Impstiri ..k ... � ` ° Order ID: 1007142 OXIDOR Laboratori s, 1 1� C.. _ Date: 7/13/2010 a a _i Page 8 of 19 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: SP -02 Oxidor Sample ID: 1007142 -007 Matrix: Solid Sample Received: 7/7/2010 Sample Collected: 7/7/2010 15:30 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags General Chemistry % Solids 0.1 0.1 87.5 % 07/08/10 13:00 Dry Weight E.C. Metals Digested by method 3005A on 07/09/10 at 14:40 TCLP Arsenic 0.05 0.050 ND mg /L 07/09/10 21:16 6020 K.O. TCLP Barium 0.05 0.050 0.972 mg /L 07/09/10 21:16 6020 K.O. TCLP Cadmium 0.01 0.010 ND mg /L 07/09/10 21:16 6020 K.O. TCLP Chromium 0.05 0.050 ND mg /L 07/09/10 21:16 6020 K.O. TCLP Lead 0.05 0.050 ND mg /L 07/09/10 21:16 6020 K.O. TCLP Selenium 0.05 0.050 ND mg /L 07/09/10 21:16 6020 K.O. TCLP Silver 0.01 0.010 ND mg /L 07/09/10 21:16 6020 K 0. Digested by method 7470A on 07/09/10 at 12:30 TCLP Mercury 0.001 0.001 ND mg /L 07/09/10 18:08 7470A K.O. Total Petroleum Hydrocarbons Prepared by method TX 1005 on 07/12/10 at 10:30 TPH (C 6 to C12) 25 28.6 ND mg /Kg 07/12/10 21:01 TX 1005 T.N. TPH (C12 to C28) 25 28.6 726 mg /Kg 07/12/10 21:01 TX 1005 T.N. TPH (C28 to C35) 25 57.1 491 mg /Kg 07/13/10 10:13 TX 1005 T.N. D -1 TPH (C6 to C35) 25 57.1 1217 mg /Kg 07/13/10 10:13 TX 1005 T N. D -1 Surrogate Result Units Spike Conc Recovery Rec Limits Date Analyzed: 07/12/10 21:01 Analyst: T.N. 1- chlorooctane 55.6 mg /Kg 50 mg /Kg 111% 70- 130% o- Terphenyl 52.7 mg /Kg 50 mg /Kg 105% 70- 130% Date Analyzed: 07/13/10 10:13 Analyst: T.N. 1- chlorooctane 58.9 mg /Kg 50 mg /Kg 118% 70- 130% o- Terphenyl 56.2 mg /Kg 50 mg /Kg 112% 70 -130% Sample Prep TCLP Metals Extraction TCLP Extraction 07/08/10 18:25 1311 K.O. vsww OXIDOR.corn • 1825 F Plano Parkway 4160 • Plano. TX 75074 • Tel. (972)424-6422 • Fax: (972) 424 -6508 s ALca j T T f , �� '; fibs Order ID: 1007142 mss= EX II7oR Labora tors s, LLC Q , . :* 4 Date: 7/13/2010 g . ® r Page 9 of 19 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Analytical Report Project Name: Coppell Auto Center Customer Sample ID: SP -03 Oxidor Sample ID: 1007142 -008 Matrix: Solid Sample Received: 7/7/2010 Sample Collected: 7/7/2010 16:30 Parameter MQL SQL Result Units Date Analyzed Method Analyst Flags General Chemistry % Solids 0.1 0.1 89.1 % 07/08/10 13:00 Dry Weight E.C. Metals Digested by method 30508 on 07/12/10 at 15:15 Arsenic 0.5 0.561 6.44 mg /Kg 07/13/10 12:11 6020 K.O. Lead 0.5 0.561 24.0 mg /Kg 07/13/10 12:11 6020 K.O. www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano. TX 75074 • Tel (972) 424 -6422 • Fax: (972) 424 -6508 . .:;r ,, ALco,r. -,h s, Order ID: 1007142 Oxiuoi Labot-��tories,1 o-� Date. 7/13/2010 ' a �" � Page 10 of 19 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: CS -01 1007142 -001 Dry Weight Dry Weight DW_11920_S SPLP Arsenic 6020 META 09430 L SPLP Lead 6020 META _09430_L Lead 6020 META _09530_S Arsenic 6020 META 09530 S CS -02 1007142 -002 Dry Weight Dry Weight DW_11920_S SPLP Arsenic 6020 META 09430L SPLP Lead 6020 META 09430L Arsenic 6020 META 09530S Lead 6020 META 09530 S CS-03 1007142 -003 Dry Weight Dry Weight DW11920_S SPLP Lead 6020 META 09430L SPLP Arsenic 6020 META 09430L Arsenic 6020 META _09530_S Lead 6020 META _09530_S CS -04 1007142 -004 Dry Weight Dry Weight DW_11920_S SPLP Arsenic 6020 META _09430_L SPLP Lead 6020 META _09430_L Arsenic 6020 META _09530_S Lead 6020 META 09530 S CS -05 1007142 -005 Dry Weight Dry Weight DW12020_S SPLP Arsenic 6020 META 09430L SPLP Lead 6020 META 09430L Arsenic 6020 META_09530_S Lead 6020 META 09530 S SP -01 1007142 -006 Total Petroleum Hydrocarbons TX 1005 1005_02123AS Dry Weight Dry Weight DW11920_S TCLP Mercury 7470A MERC_01217_S TCLP Arsenic 6020 META 09330S TCLP Barium 6020 META 09330S TCLP Cadmium 6020 META 09330S TCLP Chromium 6020 META 09330S TCLP Lead 6020 META 09330S TCLP Selenium 6020 META 09330S TCLP Silver 6020 META 09330 S SP -02 1007142 -007 Total Petroleum Hydrocarbons TX 1005 1005_02123AS Dry Weight Dry Weight DW_11920_S TCLP Mercury 7470A MERC_01217_S TCLP Barium 6020 META _09330_S TCLP Cadmium 6020 META 09330S TCLP Chromium 6020 META 09330S TCLP Lead 6020 META 09330S TCLP Selenium 6020 META 09330 S TCLP Silver 6020 META 09330S TCLP Arsenic 6020 META 09330 S SP -03 1007142 -008 Dry Weight Dry Weight DW 11920_S www. OXIDOR.com • 1825 - Plano Parkway 4160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax (972)424-650P t At cC '_ M• � `' Order ID: 1007142 ' OxInoR LabOni1 i - ic5, 1.1�C { Date: 7/13/2010 G ■ f1 - gi Page11of19 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: Lead 6020 META _09530_S Arsenic 6020 META 09530 S www. OXIDOR com = 1825 E Plano Parkway #160 • Piano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 \;. Acc 0 �, Order ID: 1007142 (� � T T ,mot i� j., TT TT r( � n s4tt O XID OR Laboratories, LLC Q � i x Date: 7/13/2010 �" r Page 12 of 19 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 DW Replicate % Solids 90.9 % 91.6 % 0.8% 0 -20% QCBatchlD DW 12020_S Replicate % Solids 92.1 % 91.1 % 1.1% 0 -20% QCBatchlD MERC 01217 S Blank TCLP Mercury ND mg /L LCS TCLP Mercury 0.005 mg /L 0.005 mg /L 105% 85 -115% LCSD TCLP Mercury 0.005 mg /L 0.005 mg /L 109% 85 -115% 8.5% 0 -25% MS TCLP Mercury 0.021 mg /L ND 0.02 mg /L 105% 80 -120% MSD TCLP Mercury 0.022 mg /L ND 0.02 mg /L 110% 80 -120% 4.7% 0 -25% QCBatchlD META 09330_S Blank TCLP Arsenic ND mg /L TCLP Barium ND mg /L TCLP Cadmium ND mg /L TCLP Chromium ND mg /L TCLP Lead ND mg /L TCLP Selenium ND mg /L TCLP Silver ND mg /L LCS TCLP Arsenic 0.098 mg /L 0.1 mg /L 98% 85 -115% TCLP Barium 0.097 mg /L 0.1 mg /L 97% 85 -115% TCLP Cadmium 0.101 mg /L 0.1 mg /L 101% 85 -115% TCLP Chromium 0.096 mg /L 0.1 mg /L 96% 85 -115% TCLP Lead 1.07 mg /L 1.1 mg /L 97% 85 -115% TCLP Selenium 0.107 mg /L 0.1 mg /L 107% 85 -115% TCLP Silver 0.100 mg /L 0.1 mg /L 100% 85 -115% LCSD TCLP Arsenic 0.102 mg /L 0.1 mg /L 102% 85 -115% 4.4% 0 -20% TCLP Barium 0.098 mg /L 0.1 mg /L 98% 85 -115% 1.0% 0 -20% TCLP Cadmium 0.104 mg /L 0.1 mg /L 104% 85 -115% 3.3% 0 -20% TCLP Chromium 0.098 mg /L 0.1 mg /L 98% 85 -115% 2.1% 0 -20% TCLP Lead 1.08 mg /L 1.1 mg /L 98% 85 -115% 0.9% 0 -20% TCLP Selenium 0.109 mg /L 0.1 mg /L 109% 85 -115% 2.1% 0 -20% TCLP Silver 0.102 mg /L 0.1 mg /L 102% 85 -115% 1.5% 0 -20% MS TCLP Arsenic 0.515 mg /L ND 0.5 mg /L 103% 80 -120% TCLP Barium 0.930 mg /L 0.461 mg /L 0.5 mg /L 94% 80 -120% TCLP Cadmium 0.501 mg /L ND 0.5 mg /L 100% 80 -120% TCLP Chromium 0.486 mg /L ND 0.5 mg /L 97% 80 -120% TCLP Lead 10.8 mg /L 5.86 mg /L 5.5 mg /L 90% 80 -120% TCLP Selenium 0.549 mg /L 0.021 mg /L 0.5 mg /L 106% 80 -120% TCLP Silver 0.491 mg /L ND 0.5 mg /L 98% 80 -120% MSD TCLP Arsenic 0.531 mg /L ND 0.5 mg /L 106% 80 -120% 3.1% 0 -20% TCLP Barium 0.979 mg /L 0.461 mg /L 0.5 mg /L 104% 80 -120% 5.1% 0 -20% TCLP Cadmium 0.514 mg /L ND 0.5 mg /L 103% 80 -120% 2.7% 0 -20% TCLP Chromium 0.501 mg /L ND 0.5 mg /L 100% 80 -120% 3.0% 0 -20% www OXIDOR.COm • 1825 E Plano Parkway 060 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax (972) 424 -6508 N A LCOy ° n F Order ID: 1007142 E l fi O R Laboi'atol. 1e S., LLC r ° Date: 7/13/2010 Q.'- Page 13 of 19 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 META_09330_S TCLP Lead 11.4 mg /L 5.86 mg /L 5.5 mg /L 101% 80- 120% 5.3% 0 -20% TCLP Selenium 0.565 mg /L 0.021 mg /L 0.5 mg /L 109% 80 -120% 2.8% 0 -20% TCLP Silver 0.510 mg /L ND 0.5 mg /L 102% 80- 120% 3.8% 0 -20% QCBatchlD META_09430_L Blank SPLP Arsenic ND mg /L SPLP Lead ND mg /L LCS SPLP Arsenic 0.101 mg /L 0.1 mg /L 101% 85 -115% SPLP Lead 0.100 mg /L 0.1 mg /L 100% 85 -115% LCSD SPLP Arsenic 0.102 mg /L 0.1 mg /L 102% 85 -115% 1.2% 0 -20% SPLP Lead 0.100 mg /L 0.1 mg /L 100% 85 -115% 0.4% 0 -25% MS SPLP Arsenic 0.520 mg /L 0.004 mg /L 0.5 mg /L 103% 80 -120% SPLP Lead 0.512 mg /L 0.003 mg /L 0.5 mg /L 102% 80 -120% MSD SPLP Arsenic 0.516 mg /L 0.004 mg /L 0.5 mg /L 103% 80- 120% 0.7% 0 -20% SPLP Lead 0.516 mg /L 0.003 mg /L 0.5 mg /L 103% 80 -120% 0.8% 0 -25% QCBatchlD META 09530_S Blank Arsenic ND mg /Kg Lead ND mg /Kg LCS Arsenic 0.967 mg /L 1 mg /L 97% 85 -115% Lead 10.3 mg /L 11 mg /L 94% 85 -115% LCSD Arsenic 1.02 mg /L 1 mg /L 102% 85 -115% 5.4% 0 -20% Lead 10.9 mg /L 11 mg /L 99% 85 -115% 5.7% 0 -20% MS Arsenic 57.8 mg /Kg 10.5 mg /Kg 50 mg /Kg 95% 80 -120% Lead 551 mg /Kg 10.2 mg /Kg 550 mg /Kg 98% 80 -120% MSD Arsenic 56.5 mg /Kg 10.5 mg /Kg 50 mg /Kg 92% 80 -120% 2.3% 0 -20% Lead 543 mg /Kg 10.2 mg /Kg 550 mg /Kg 97% 80- 120% 1.5% 0 -20% QCBatchlD 1005_02123AS Blank TPH (C 6 to C12) ND mg /Kg TPH (C12 to C28) ND mg /Kg TPH (C28 to C35) ND mg /Kg TPH (C6 to C35) ND mg /Kg Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 56.7 mg /Kg 50 mg /Kg 113% 70- 130% o- Terphenyl 52.4 mg /Kg 50 mg /Kg 105% 70- 130% LCS TPH (C6 to C35) 111 mg /Kg 100 mg /Kg 111% 75 -125% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 58.1 mg /Kg 50 mg /Kg 116% 70 -130% o- Terphenyl 54.6 mg /Kg 50 mg /Kg 109% 70 -130% LCSD TPH (C6 to C35) 101 mg /Kg 100 mg /Kg 101% 75- 125% 9.4% 0 -20% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 54.6 mg /Kg 50 mg /Kg 109% 70- 130% o- Terphenyl 50.3 mg /Kg 50 mg /Kg 101% 70 -130% www.OXIDOR.con • 1825 E. Plano Parkway #160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 '; PR C s Order ID: 1007142 OyII��R Laboratories, ��I, � � ._ : Date: 7/13/2010 ' ` �" • " 1 Page 14 of 19 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_02123AS MS TPH (C6 to C35) 1560 mg /Kg 1060 mg /Kg 500 mg /Kg 96% 75- 125% Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 338 mg /Kg 250 mg /Kg 135% 70 -130% Q -7 o- Terphenyl 319 mg /Kg 250 mg /Kg 128% 70 -130% MSD TPH (C6 to C35) 1760 mg /Kg 1060 mg /Kg 500 mg /Kg 136% 75 -125% 12.0% 0 -20% Q -7 Surrogate Result Spike Conc Recovery Rec Limits 1- chlorooctane 312 mg /Kg 250 mg /Kg 125% 70 -130% o- Terphenyl 296 mg /Kg 250 mg /Kg 118% 70 -130% 'r4v✓w OXIDOR. corn • 1825 E Plano Parkway x!160 • Plano. TX 75074 • Tel (972) 424 -6422 • Fax (972) 424 -6508 iy ALoo, t j '� i T T� 7 � . Order ID: 1007142 OIInoR L aborato1'ieS , 111,0 o - " Date: 7/13 /2010 Page 15 of 19 1.'.':1104 �" `' i 704227 -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 Laboratones, 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. Plano Parkway #160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ' � Order ID: 1007142 " OXInOR Labora { torxies, LL� v� f Date: 7/13/2010 17 K {` s Page 16 of 19 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Sample Preservation Verification Project Name: Coppell Auto Center Receipt temp: 3.8 °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: CS -01 Collected By: Brent Vollmar Oxidor Sample ID: 1007142 -001 Collector Affiliation: W &M Environmental Group, Inc. Collected: 07/07/10 16:10 Matrix: Solid Indicated Bottle Tvpe Count Collection Method Parts / Interval Preservation pH 4 oz Glass Jar 2 Composite Temp - Customer Sample ID: CS -02 Collected By: Brent Vollmar Oxidor Sample ID: 1007142 -002 Collector Affiliation: W &M Environmental Group, Inc. Collected: 07/07/10 15:55 Matrix: Solid Indicated Bottle Tvpe Count Collection Method Parts / Interval Preservation �H 4 oz Glass Jar 2 Composite Temp - Customer Sample ID: CS -03 Collected By: Brent Vollmar Oxidor Sample ID: 1007142 - 003 Collector Affiliation: W &M Environmental Group, Inc. Collected: 07/07/10 16:15 Matrix: Solid Indicated Bottle Type Count Collection Method Parts / Interval Preservation �H 4 oz Glass Jar 2 Composite Temp - Customer Sample ID: CS -04 Collected By: Brent Vollmar Oxidor Sample ID: 1007142 -004 Collector Affiliation: W &M Environmental Group, Inc. Collected: 07/07/10 16:20 Matrix: Solid Indicated Bottle Type Count Collection Method Parts / Interval Preservation at 4 oz Glass Jar 2 Composite Temp - Customer Sample ID: CS -05 Collected By: Brent Vollmar Oxidor Sample ID: 1007142 -005 Collector Affiliation: W &M Environmental Group, Inc. Collected: 07/07/10 16:05 Matrix: Solid Indicated Bottle Type Count Collection Method Parts / Interval Preservation pH 4 oz Glass Jar 2 Composite Temp - v‘ww OXIDOR corn • 1825 F Plano Parkway ?/160 • Plano, TX 75074 • Tel (972) 424 -6422 • Fax (972) 424 -6508 ;* w sG CO5 (� L� Order ID: 1007142 OxInoR Laboratories, LLf ` � Date: 7/13/2010 •- ' • 'eP r Page 17 of 19 T104704227 -10 -4 W &M Environmental Group, Inc. Frank Clark Sample Preservation Verification Project Name: Coppell Auto Center Customer Sample ID: SP -01 Collected By: Brent Vollmar Oxidor Sample ID: 1007142 -006 Collector Affiliation: W &M Environmental Group, Inc. Collected: 07/07/10 15:15 Matrix: Solid Indicated Bottle Type Count Collection Method Parts / Interval Preservation aH 4 oz Glass Jar 4 Composite Temp - Customer Sample ID: SP -02 Collected By: Brent Vollmar Oxidor Sample ID: 1007142 -007 Collector Affiliation: W &M Environmental Group, Inc. Collected: 07/07/10 15:30 Matrix: Solid Indicated Bottle Type Count Collection Method Parts / Interval Preservation al 4 oz Glass Jar 4 Composite Temp - Customer Sample ID: SP -03 Collected By: Brent Vollmar Oxidor Sample ID: 1007142 -008 Collector Affiliation: W &M Environmental Group, Inc. Collected: 07/07/10 16:30 Matrix: Solid Indicated Bottle Type Count Collection Method Parts / Interval Preservation al 4 oz Glass Jar 4 Composite Temp - Sample conditions at time of receipt at laboratory verified in part or in whole by: L.J. vvww. OXIDOR.corn • 1825 E. Plano Parkway #160 • Plano. TX 75074 • Tel: (972) 424 -6422 • Fax (972) 424 -6508 K Ac Co, d • Order ID: 1007142 OXIIDO R. Labors tones, 1LLC x Date: 7 /13/2010 .. ■ 1 f `' Page 18 of 19 T104704227 -10 -4 Chain of Custody PROJECT DESCRIPTION: Coppell Auto Center OXInoR I„tboralorics, LLC Chain of Custody Record a, 1625 East Plano Parkway 4160 e� °p0w� 0 Plano. `x 76074.857:1 9 a Page / of / P 9774246422 h9774 424 6608 : custoerse,ce(cponclor con Send Report To Psalm / Report Intermapon . Company Name tr Requested T Arojn Time Le55 'Jays must De red with la WBMEnvironmental 7 - 5 - 7Day5 null -4 DIy. s i]eye ASAP Address Proiec' Name 906 E. 18th Street Coppell Auto Center Clty State 'Zip Project Location Plano TX 75074 Coppell. TX contact Name Project it PO 4 Frank Clark 940.002.006 Contact Smart Semple Name Sampler Comparty fclark(dwh -m.com Brent Vollmar W&M Phone Fax Semple, Sgnalure y 972 - 509 -9611 972 -516 -4145 L� ✓� Bernd Wade To(O54MDMnentfom.00ee) 6109. Codes Spectral Instructions' Company Name L- Liquld 5. Solid W Wipes A - A Address lr A PreSevalXm Codes 1 - None 4 - 401 Gty State 2Ip 2 H440, 5 • NaOH 'Please con■ rm con8'nnal requests prior 10 add6Onel analysis 3 • H,50, 6 - Ira Requested Analysts Contest Name 7-Other _ Container Codes r p Pncee Fax 9 Plastic G Glass n3 It r O Otner 2 m —I Q OXIDOR u k o r U o Order ID Sample Info ,, F e o cc il £ Customer Sample ID 0- 51 a ,� /OD y2 e a � _ n a H ° 7 Date r Tm ; u u 1 0 i Q 6 H 5 - . _tCS 7/7/10 y: ICJ 2 c 6 ✓ ✓ ✓ ✓ 00 _ t a CS-02 .:1 3 ,5' ( ' 1 ✓✓ ✓✓ —pe)3 3 CS -03 Y -/S 2. i ✓ ✓ ✓ ✓ 4 cs a 4 -2D Z ✓ ✓ ✓ ✓' ■ _ cos 5 CS-05 ef -O5 . ✓ ✓ ✓ ✓ o�� 3: L 4' — - - OC-, 7 SP -02 3. 3G I L�. ,J ✓ ✓ ✓ - ooS . 1 SP-03 `y [� 4✓ ✓ ✓ 9 10 ✓ 1I I ✓ 17 ✓ 14 ✓ 15 ✓ 1 r Peli npuen0C f4 ‘ „,......./,, Z ..4., 10 / it, rme 6 _ , rumps 4MOaucn Date lime aan�o��.+neo e Axletan Ore - r me ece lea by an4at�n '. uate nma Retscusnen ity Arrileter °ax in me 0.ef /720/u05.0 � Date Time X - X � 7 -1U IV 14-- Submittal of samples fortifies acceptance of 0000005 Standard s and Gonatons. - rj 1-22'2000 • Re, 4 4 001209 cannot ac n accept real changes Rs ges document Please tax or at written moaecaons - temp at Receot , ---... -r 0X www_ OXIDOR.com • 1825 E Plano Parkway 11160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax (972) 424 -6508 � x ACC 0 �r j ,to ° sy c Order ID: 1007142 OxIDOR Laboratories I � [ L Date: 7/13/2010 = Page 19 of 19 T104704227 -10 -4 Chain of Custody PROJECT DESCRIPTION: Coppell Auto Center 1 71 Leslie Jones From: Frank Clark Sent: Thursday, July 06, 2010 6:10 PM To: CustomerService Subject: Soil Samples for Coppell Auto Center Brent dropped off some soil samples for Copped Auto Center late yesterday and put 5 -7 day TAT on the CoC. Is it possible to get these in 4 days? and can we get TPS by TX1005 on SP -01 and SP -02? Let me know, thanks! Frank Frank W. Clark, PE, PG W &M Environmental Group, Inc. 906 E. 18th Street Plano, Texas 75074 972 -509 -9611 Direct 972- 516 -4145 Fax 214- 668 -4467 Cell fclark @wh -m.com P please don't print this e-mail unless you really need to. II I www.OXIDOR.com • 1825 E. Plano Parkway #160 • Plano, TX 75074 • Tel: (972) 424 -6422 • Fax: (972) 424 -6508 ATTACHMENT 18 IDW AND WASTE MANIFESTS W &;M Environmental Group, Inc. (W &M Project No. 940.002.004) kINI ,fk Environmental Industries, LP 4125 Billy Mitchell Drive, Suite 100 , Addison, TX 75001 W&M ENVIRONMENTAL GROUP 906 EAST 18TH STREET SUITE 100 PLANO, TEXAS 75074 MANIFEST / SHIPPING DOCUMENT PICKUP GENERATOR MANIFEST NUMBER DATE 05/21/10 CITY OF COPPELL NH 10 -0285 If you have any questions, please feel free to give me a call. /�. 7 Susan Greetan Environmental Industries 972.390.9899 42 REPUBLIC SERVICES, INC — v . NON - HAZARDOUS WASTE MANIFEST ► , �,> .�- - - f 0198818 t 1. Generator's US EPA ID Number Mended Document Number 2. Page 1 o f ; - ' ' .' ' ,, .x. , '' u yr 1 M1 3. Generator's Name and Matting Address 5 Location } __ a ° 0 City of Coapsll 816 S. C Road >, 4. Phone 972 Co * & T 3 f 7 � e. Phone ( ) tti 4 7. Transporter 81 Company N 8. US EPA ID Number 9. Transporter #1'a Phone '± _ Tru Trucit;ng NIA 972. 247 -2940 l ` 10. Transporter #2 Company Name 11. U8 EPA ID Number 12. Transporter 12% Phone r 4 . 13. Designated TAW Faciitytreme and Site Addreurs 14. U8 EPA ID Number 15. Facility's G i�9ELOT L et`'f01"1LL Phone 580 NUFFIMES BOULEVARD NIA 972-Q2-388S if 4 LF.IISVILLE. 'TEXAS 75058 ,,�., 1 18. Waste Shipping Name and Desaiptlon 17. Aided Waste Approval lard Exp. Date 18. Containers 19. Total 20. Unit t ' ® Quantity tluw No. a . X SOIL IMPACTED WTH TRH ^ - ROe'AL# 45251010EJi 1 ..:M Z.0 ' dD P OAT'E. 1241-2010 _ -7 b. , V c 1 4 i 21. Additional Descriptions for Materials Listed Above H132 If, . � 1 22. Special Handling Instructions and Additional Information ' CUSTOMER: SUNBELT i CUSTOMER *1;008 .. 1 _ ,r 23. GENERATOR'S CERTIRCATIDN: 1 aerMry the mistier desatlsd on this msrYisq are not surfed lo Worst nytiatlans for nrportln9 proper pepoeal of twareo rs Wawa.. Month Day Year ,r'It ' A; 24. Transpoter #1: Admowledpement of Receipt of F PrintedVTyped Name / Yet L 25. Transporter l2: Ad laMedgement of Receipt of Materials °. L . Printed/typed Name 4 2s. D scmpanoy Indication Space ., 27. Paolllly Owner or Operator: Certification of receipt of waste materials covered by this manifest (except es noted in Item 19) x CA�iFl� f LANDFILL r- Printed/typed Name Signature Month D ay Year i ..` TRANSPORTER #2 ' ' l REV 08/09 aa.Fta ...--' 4 - REPUBLIC SERVICES, Mid NON - HAZARDOUS WASTE MANIFEST s ` VC r 1. Generators US EPA ID Number — meant bowmen! Number 2: Page 1 or ; ; " - V 14V, t t - e . -,.4,r . _ • �` 1 3. Generator's Name and Mailing Address 5. Generating Location (1i di fererd) .. f.1r of f o pe fe e i e i (? 2. oppel2 P oac r . raj 97'462.5110 Cotapt'11, Tow 25014 r <. Phone ( ) 8. Phone ( ) 7 Tranaparfer tit Company Name 8. US EPA ID Number 8. Transporter N1's Phony TrvtrOr Truck. Wok (A(72-241-2046 fa' 10. Transporter 12 Co mpany Name 11. US EPA ID Number 12. Transporter 12's Phone 13. Designated MAD Faultily Name and Site Address 14. US EPA ID Number 15. Facilitys Phone Y. CAMELOT LANDFILL 6 : o HUFFtNES BOULEVARD NIA E'72-4 2-J4s8 . r LEWs viLi.E'. TEXAS 250 r: `, 16. Waste Shipping Name and Dssdiptlon 17. AMIed waste Approval S and Exp. Date 16. Containers 19. Total 20. Utpt y ', Quantity WWd No. Type I a a. )L IMPACTED WTH TPN %PPROVAL #45251Q108ff1 1 :H ','G 2 ' XP DATE: 12 -31 -2010 •d t b. [J,,2„ C• y , o r' 1 , 21. Addlfional Deaaiphons for Materiels Listed Above H13i � . 1 r' ' 22. Special Handling Instructions and Addtional Infomntion 1 CUSTOMER SUNBELT tr .: CUSTOMER N NOW '_ C — 11 OENERATOWS CERTIFIC11TiON: t cs y Its nis sdar. described an era mr ad re not subject fa federal ragebliorr for mpaltnp proper dilpoist a Hazardous wags. # . N t ii. j r 4 � / l e Nanr. # q +� �% G�rf / azure �Tf (/e* .s,.- ,-a... 7 24. Transporter II: Adatow4�g menl of Receipt of .. . Prinied/T Name 1 y Signature �-"*1 -- . � y1�j I �ja k k .41 )mod • i .j . , ' ! $ 7 ` ,.+,,..• .1 J ( �°# 7 25. Transporter 1 Acknowledggment or Receipt of memo At PrkrtedfTyped Nerve I Signature 7 1—", ' I ?' I ; ..1 • . 28. Discrepancy Indjation Space , - l 27. Facility Owner or Operator: Cerl$ation of receipt of waste materiels covered by this manifest (except as noted in Item 10) ' � CAMELOTLANDFLL • E Printedftyped .r r vet ' TRANSPORTER #2 7 ,x.r i +..� - *er"t ; °.,: -u 4ro �' .z'.. a '+� REPUBLIC : NON - HAZ ARDOUS WASTE MANIFEST 0196920 6 920 , 1. Generator's US EPA lb Number Manliest Docum e ent Number 2. Pap 1 of w r # " ' erat li { 0".:4.'~ `—•sf k� � ` eft �. yr � • • ..b 4 - .L .�.� , ` . , �: `=-�- , t I�" , ..a *�se �D.., t "�'v�c�* + 3. Generator's Name and Meiling Address I5. Generating Location (If different) ,I d Cit.,. of `.- oots&•Si ( 0 l .::rrpol F;t;n � 4. Phone ( 97241524110 : r,. �r 5. I � Co G'G e >: Fsz �.J. & Phone n 4 7. Transporter #1 Company Name 8. US EPA ID Number 9. Transporter Int's Phone Tryrr#�1 Ttoo it NIA 07,%- 247••x: 4 E if ; 10. Transporter #2 Company Name 11. US EPA p Number 12. Transporter #211 Phone i 7' . 13. Designated T/S/D Faddy Name and Site Address 14. US EPA ID Number 18. Parlays Phone . ' ,, CAMELOT LANDFILL 68Q 3UFFtWE BOULEVARD 1lllr. z,a-:z.,,v,0t. eSi'i � v k ' ` LELMS rVLLE. TEXAS 75555 `,I. ,„%''''. f, A t. , 16. Waste Shipping Name and Description 17. Allied Wade Approval *and Exp. Dale 18. Containers 19. Total 20. Unit Quantity WWoI No. Type x SOIL IMPACTED tMTw TH- 4W'ROVAL # 45251013 .1 1 .:. M 'L' K -xP DATE =. 2- '314010 F i b ,,,, . d. I K,. 21. Additional Descriptions for Materials Listed Above i < . 14132 • 22. Special Harldiing Instruction end Additional Information Lion r . CUSTOMER: SUNBELT ° " : CUSTOMER* 104105 it 23. GENERATOR'S CERTIFICATION: 1 cenry ee meNrYb described on Ws menthol axe net subject to hdwul regulation for reporting proper dbw ssi of HQardwue Wow. „ S , - . rar, r Signature -d n 24. Transpbtler III: Acknowtedyement of Receipt of Materials Print. me Typed Na I ' �1 ►' f ro. .. .1 . 25. Transporter 82: Adm of Receipt of Materiels _ J ( I . , Printed/Typed Name Signature .� Man* Day Year 28. Discrepancy Indication Space 27. Facility Owner or Operator. Certification of receipt of waste materials covered by this manifest (except as noted in Ilem 19) il CAIThELOT LMIDF$LL H Printed/Typed Name Signature i '' , all7 Day Year TRANSPORTER #2 * RE1 2 11131.1C SERVICE% Na _ NON-HAZARDOUS WASTE MANIFEST 1 (' 1. ,eiteratos a US EPA ID Number Manifest Dominant Somber 2. Pa96 1 of ! • . es ' . • 3. Genarators Nam* and MON Address S. tenanting Loadlon Of edrarent) y 4.1tX4-11 f4 (*0914 rel:T.S0 1)? 467-51 10 witet. 7 + , 25 7 4. Flat* ( ) 6. Phone t ) 7 Interpreter #1 Company learns 6. US EPA ID Number 9. nominated St's shone *, 44Jr Nin - ;CA C 10. Transporuar #2 Company Name 11. US EPA ID Number 12. TranSportar #2's Phone 13 Designated Ti$IU Paddy Nama and Site Address 11,1)8 EPA ID Number 15. Far:days Alm* : AiU. .; J: F.', 7 ... 4`.2 to waste Shipping Nara and Denalptkan tr, Alarm Waste Approval* and Exp. Date 15. Contartans 19. Toot 20 Unit Quantity WiNoi - No. Type ugA --4 14- # 4f 4 064. ttr EXP DATE 12 3'. 251‘..1 0. , 21 Adchtional Descriptions for AbrIarials Listed Abova 22. Speard Handling Instructions and Additional kiormation ,S I OMER * 23. GENERATOR'S CERTIFICATION! I MeV 0 # 14 0#4 1 404 di ist#NO 0404#401 ere rip *utast to mem moralism t� tapottise proper deport of Hawdous Waste — Printedfloped Nanie Signa 1 ture , AID Via et; p ,f" 1 l 4 24.,117raPorfer SI: ACknOvtledgement of Racial of Materials PniitodiTyped flame f I gianit r s on w 25 Tranaportar Acimordedgement of Reared of Sistiorialt Printed/Typed Nana ' SIgnatma abint day rei 26 Discrepancy Indication Space 27 Facility OwMr or Opprator: CergRoation of vacant of waste matarists novenae by this manifest (except as noadin Item 19) 4 WI 0 T IJ4 NDfU tinnteerryprra Nemo Signature TRANSPORTER #2 ATTACHMENT 19 PHOTOGRAPHIC LOG W &M Environmental Group, Inc. (W &M Project No. 940.002.004) a.wlNiwW u A y y .,''...� ate �. - ' SB -01 r ., SB-02 Photo 1: View of soil borings SB -01 and SB -02 within the former dispenser island and pipe chase, respectively, as viewed tof the west. 1 '2 .. i .1, i v 1 „ 4-------Forme .. r Dispenser Lines Former UST Tank Pit SB -02 '` Photo 2: View of soil borings SB -02 and SB -03 along the former pipe chase connecting to the former fuel tank hold, as viewed to the south. (2)116M Attachment 19 Photographic Log 461 West Bethel Road Coppell, Texas 4. 27.10 ARF W &M Project No.: 940.002.004 _ , ^r te` � �"" -#"m .', s°..,.. ,, -- 4 r'" ° .. d4 fin ' U e X00^+•... t... `.. . F ' • ma�41 R' R"; ' it i gar y .. s w , .'..k. Photo 3: Installation of soil boring SB -04 in the north wall of the former used oil tank hold, as viewed to the west. �.,.- 0 ; , + 1 . i . , . - .;� ' 1 TMW -01 TMW -02 TMW -03 Photo 4: Temporary monitoring wells TMW -01, TMW -02, and TMW -03, as viewed to the north. Attachment 19 Photographic Log 461 West Bethel Road Coppell, Texas 4.27.10 AR1 W &M Project No.: 940.002.004 , ,,, ,„ H ., ; iii : . 0_ i � 0 0 6.i s 4 ' Z '' ''• _ E � � Y(t! til # % 4 - � y t. , ': 1 r ; " s ' ~ 'A a "� .44.1 y 41 r A mom ...... _ ..- Photo 5: East adjacent pr o p erty, Coppe Farmer's Market. F tl i c ci E A " '" : .. "� 1 , ,¢E5 •rkA n •.� a"h.._F`�54*.j„'# t�C y. �(yypp Photo 6: North adjacent properties, City of Coppe Wat tower, home decor, and barbershop. Attachment 19 Photog raphic Log cy; .1).1Alai 461 West Bethel Ro Coppell, ect TNexa o.: +? ; . 10 1121 W & Proj 940.002.004 pillig . ter ! -7, . f*, < „i k, ,. s ' Ai ,.. , .. , , . . _ .... ., . Photo 7: West adjacent property, Coppell Baseball Association. r �. r aA Oro; v..-- s .74 ”- Photo 8: South adjacent property, owned by City of Coppell. Attachment 19 Photographic Log 461 West Bethel Road Coppell, Texas +. 27.10 ARE W &M ProjectNo.: 940.002.004 ATTACHMENT 20 SITE CLOSURE REQUEST FORM W &M Environmental Group, Inc. (W &M Project No. 940.002.004) General Information LPST ID No.: 118120 Facility ID No.: 52886 Responsible Party: City of Coppell Responsible Party Address: 816 S. Coppell Rd. City: Coppell State: Texas Zip: 75019 Facility Name: Former Coppell Auto Center Facility Street Address: 461 West Bethel Road Facility City: Coppell County: Dallas What is the current use of the site? ❑ Residence ❑ School or Day Care ® Commercial /Industrial ['Recreational ❑Agriculture What is the anticipated use of the site? ❑ Residence ❑ School of Day Care ® Commercial /Industrial ❑Recreational ❑Agriculture Adjacent property use: ❑ Residence ❑ School of Day Care ® Commercial /Industrial ['Recreational ['Agriculture Distance and direction to nearest off -site residence from 200 feet east (cross gradient) property line (ft.): Distance and direction to nearest school of day care from 225 feet northwest (cross gradient) property line (ft.): TCEQ -0028 (8- 31 -09) Page 3 of 12 - � ..... s, s�P �'�' ' :.vb. Based on the Limited Site Assessment Report form or the Risk -Based Assessment Report Form (TCEQ- 0562), the site is currently a Priority site. If the site priority has changed, list the other priorities that previously pertained to this site: ❑ Yes No Has non - aqueous phase liquid (NAPL) ever been present at this site (including tankpit observation wells)? If yes, has NAPL been removed to the maximum extent practicable? " Yes " No. Current thickness: ft. If NAPL has not been removed to the maximum extent practicable, stop here and do not submit this form. Initiate or continue activities necessary for the removal of NAPL at the site. ® Yes ❑ No Were all soils, recovered contaminated groundwater, and any non - aqueous phase liquids properly disposed of, treated, recycled or reused in accordance with TCEQ requirements? If No, stop here and do not submit this form. Provide a proposal (if the site is eligible for reimbursement) to properly dispose or otherwise manage the wastes /materials or, if the site is not eligible for reimbursement, provide documentation of proper disposition of the wastes. ® Yes ❑ No Do contaminant concentrations show a consistent decreasing or low static trend? If No, is the contaminant plume increasing in size? [Yes ❑ No. If Yes, stop here and do not submit this form. Initiate activities to control plume migration. Date release discovered: Substance(s) released: ® Gasoline ❑alcohol blended fuel ['Diesel Used Oil ❑ ❑Aviation gas ['Other Jet fuel, type: Source of release: ❑ USTs ❑ AST ❑ Piping ® Dispenser ❑ Submersible Turbine Pump Area ❑Overfills /Spills ® Unknown ['Other Has a receptor survey been conducted? ® Yes ❑ No Has a water well inventory been conducted? ® Yes ❑ No Have vapor impacts to buildings or utility lines ever been associated with this release? If Yes, ❑ Yes ® No specify the measures taken to abate the impact and indicate the latest date that an impact was noted: Have subsurface utilities ever been affected with NAPL or vapors by this release? If Yes, ❑ Yes ® No indicate the latest date that an impact was noted: TCEQ -0028 (8- 31 -09) Page 4 of 12 "j _ Ra � ,br . ' q '.� . g 3a ''''‘,...,:.---ti--,..:: " ,7 ` ",bow, x rn '`" #'- f z `a -� , p a :: :4- - f ,,.. If not already provided in Release Determination Report Form (TCEQ-0621), or if the information has changed since submittal of the Release Determination Report, indicate number of tanks currently and formerly located at this site (attach pages as necessary): see RDR Type UST/AST Product Type Size (gal.) None Former: •' UST/AST Product Type Size (gal.) Date i' Refer to RDR . II If the tanks were permanently removed from service, were native soil samples collected from ® Yes ❑ No beneath the tanks and the entire length of the piping? If No, explain why not: RDR submitted by previous consultant in —April 1999 was rejected by TCEQ in cover fax dated May 22, 2000. The required UST system sampling was performed as part of the subsequent investigations. Was a new UST system installed? If Yes, indicate the date, number of tanks and their contents: ❑ Yes ® No Are there any open excavations at the site? If Yes, state size, location, purpose, and status for ❑ Yes ® No r each of the excavations: ' Type(s) of soil remediation and time periods the remediation method was operational (indicate all that apply):" ® Excavation Dates of operations: Removed 80 cy of soil from former waste ❑ Soil Vapor Extraction oil UST area in July 2010. ❑ In -Situ Bioremediation ❑ Disposal ❑ Aboveground Bioremediation/Aeration ❑ Thermal Treatment ❑ None 0 TCEQ -0028 (8- 31 -09) Page 5 of 12 3 ° '� Ise 8ie w € anti � c s gas,? 7:41 *Vetz2Intei' ❑ Excavation Dates of operations: ❑ Soil Vapor Extraction ❑ In -Situ Bioremediation ❑ Disposal ❑ Aboveground Bioremediation /Aeration ❑ Thermal Treatment ❑ None Were copies of all receipts and manifests to document disposition of all wastes submitted to the ® Yes ❑ No TCEQ? If No, attach copies to this form. Refer to ARF, Attachment 18 Measured total volume of NAPL recovered, N/A gallons: Estimated total volume of soil 80 cy Treated /removed: cubic yards (exclude soil cuttings removed from borings). Estimated total volume of groundwater N/A treated /removed: gallons (if known). Estimated pounds of hydrocarbons removed or N/A treated from soil (if known): i1 Estimated pounds of hydrocarbons removed or N/A treated from groundwater (if known): Estimated percent of total contaminants N/A removed or treated (if known): TCEQ -0028 (8- 31 -09) Page 6 of 12 x . « fi ri Are there now affected surface soils (contamination exceeding health -based target n Yes ® No concentrations) present within 2 feet below the ground surface? ❑ Unknown Type of surface cover over affected surface soil area: n Paved (❑ asphalt or ❑ concrete) Percent of affected soils covered? ® Unpaved ❑ Other Is there public access to the uncovered affected surface soil area? ® Yes ❑ No -_ Total number of borings: (including those completed as monitor wells) 25 Was the vertical and horizontal extent of soil impacts defined (to the more stringent of health- ® Yes ❑ No based target or groundwater protective soil concentrations horizontally and to groundwater or nondetect vertically) by the borings? Are shallow (0 -15 feet below ground surface) soils affected (contaminant levels exceed n Yes ® No health -based target concentrations) on adjacent properties (including right -of -way properties). Were all soil sample collection, handling, transport, and analytical procedures conducted in IN Yes ❑ No accordance with TCEQ and EPA requirements? If No, provide justification: !.; MAXIMUM SOIL CONCENTRATION LEVELS Soil Sample Sample Depth (ft.) Analytical Maximum Target Contaminants Date Location ; Method Concentration Cleanup �1 (mg/kg) Goals Benzene Refer to ARF 1 Toluene Ethylbenzene Total Xylenes ^� BTEX TPH Other i I Enter maximum soil analytical results for soils remaining beneath the site (take into account all available data, including information obtained during the release determination (tank removal from service, minimal site assessment, etc)). If Plan A cleanup goals were used, provide the potential groundwater beneficial use category and a justification of how it was determined in Section VI. TCEQ -0028 (8- 31 -09) Page 7 of 12 Is groundwater at the site impacted? ® Yes ❑ No Did the assessment document that groundwater was not impacted? ❑ Yes ® No If No or unsure, provide justification for not determining whether there is a groundwater impact: Total number of monitoring wells installed: 5 permanent, 3 TMWs Number of monitor wells remaining at the site: 5 Will any of the remaining wells be used in the future? ❑ Yes ® No If yes, specify which wells will be used: If No, they must be plugged in accordance with Water Code 32.017 after obtaining approval for site closure. Do not plug the wells until you receive concurrence on site closure. Costs of well plugging may be allowable for reimbursement if all eligibility requirements are met and if the wells were installed under the direction of the TCEQ specifically to address the confirmed release at the site. Provide a proposal with this form (if the site is eligible for reimbursement) for costs of the well plugging. Measured total dissolved solids (TDS) concentration in N/A groundwater:(mg /1) From which monitor well(s) was /were the sample(s) N/A collected? Measured groundwater yield at the site: gallons /day (as determined from well adequately N/A screened in the impacted aquifer). ❑ Not determined. Measured groundwater depth at the site ranges between and feet below the top of well casing. 10 -14 feet Time period of groundwater monitoring at the site (dates): Nov. 2009 - Sept. 2010 Total number of groundwater monitoring events: Four What type of aquifer is impacted? (unconfined, confined, semi - confined): Unconfined Distance and direction from maximum plume concentration point to nearest existing 700 feet downgradient well: (Input " >0.5 mile" if there is no well within 0.5 mile downgradient) Are any water supply wells impacted or immediately threatened? Yes No If Yes, specify type of well: Drinking water ❑Non- drinking water Are there any existing water wells located within the area of impacted groundwater? ❑Yes No If Yes, specify type of well: ❑Drinking water ❑Non- drinking water TCEQ -0028 (8- 31 -09) Page 8 of 12 Has surface water been affected? ['Yes No Will the groundwater contaminants likely discharge to a surface water body? Yes No What is the potential impact of affected groundwater ❑ Current impact "❑ Discharges within 500 ft. " discharge on surface water? ❑ Discharges within 500 to 0.25 miles ® No potential impact Were groundwater sample collection, handling, transport, and analytical procedures conducted Yes No and documented in accordance with TCEQ requirements ?: If no, provide justification Is the extent of groundwater contamination defined (to MCL concentrations)? If No, provide Yes ❑No justification for not defining the plume: Have groundwater impacts from this release been detected on adjacent properties? Yes No If No, is off -site migration probable? Yes No Is there documentation that off -site migration has not occurred (sample results from off -site Yes ZNo sampling point)? " Was the static groundwater level above the top of the well screen in any monitor wells during any ❑Yes No of the last 4 monitoring events? If Yes, provide a statement of validity regarding these samples: Have groundwater samples from all monitor wells met the target cleanup goals for the last four ['Yes No consecutive sampling events MAXIMUM GROUNDWATER CONCENTRATIONS, (From the most recent 12 months.) Groundwater Sample Sample Laboratory Maximum (mg /1) Target Cleanup Contaminants Date Location Method Concentration Goals Refer to ARF TCEQ -0028 (8- 31 -09) Page 9 of 12 Please provide a brief summary supporting this request for site closure, including footnoted discussions for the above entries as necessary. Include discussions providing necessary justifications for any site conditions which deviate from the specific requirements of TCEQ rules and policies, including the document Risk -Based Corrective Action for Leaking Storage Tank Sites. Provide documentation to justify case closure, including information which addresses the potential for future exposure, the existence of impervious cover or other actions which may prevent exposure or limit infiltration, the absence of receptors, etc. • Extensive investigations were completed in the former UST, dispenser and product piping areas to correct deficiencies in the 1999 RDR submittal for the property by the previous owner. • There has been no evidence of NAPL in any wells. • An area of impact in the vicinity of a former waste oil tank was characterized, excavated and disposed off - Site • Concentrations of COCs in soil are below health -based levels for residential land use. • Although COCs exceed Category 2 criteria on -Site, two off -Site down gradient wells are clean, and indicate the plume has not migrated a significant distance. • Although there is a surface water stream (tributary to Grapevine Creek) located within 250 feet, groundwater wells located between the source area and the surface water body indicate it is not impacted or threatened. • There is no threat of explosive vapors in buildings or utilities. • No sensitive receptors (schools, day care facilities, etc.) are located down gradient of the Site. • Groundwater monitoring over 4 quarters indicates that concentrations of COCs in affected wells are stable or declining over time. TCEQ -0028 (8- 31 -09) Page 10 of 12 Based on the results of the site investigation and the additional information presented herein, I certify that the site investigation activities performed either by me, or under my direct supervision, including subcontracted work, were conducted in accordance with accepted industry standards /practices and further, that all such tasks were conducted in compliance with applicable TCEQ published rules, guidelines and the laws of the State of Texas. I have reviewed the information included within this report, and consider it to be complete, accurate and representative of the conditions discovered during the site investigation. I acknowledge that if I intentionally or knowingly make false statements, representations, or certifications in this report, I may be subject to administrative, civil, and /or criminal penalties. I certify that the site has met all requirements for closure and that closure is appropriate. Project Manager: Frank W. Clark, P.E., P.G. CAPM No.: 01452 Expiration Date: 3/31/11 Company: W &M Environmental Group, Inc. Address: 906 E 18 Street City: Plano State: Texas Zip: 75074 Telephone No.: 972 -516 -0300 Fax No.: 972 -516 -4145 Signature: Date: By my signature affixed below, I certify that I am the duly authorized representative of the Correction Action Specialist named and that 1 have personally reviewed the site investigation results and other relevant information presented herein and considered them to be in accordance with accepted standards /practices and in compliance with the applicable TCEQ published rules, guidelines and the laws of the State of Texas. Further, that the information presented herein is considered complete, accurate and representative of the conditions discovered during the site investigation. I acknowledge that if I intentionally or knowingly make false statements, representations, or certifications in this report, I may be subject to administrative, civil, and /or criminal penalties. I certify that the site has met all requirements for closure and that closure is appropriate. Corrective Action Specialist: Frank W. Clark, P.E., P.G. CAS No.: 0000115 Expiration Date: 10/21/11 Company: W &M Environmental Group, Inc. City: Plano Address: 906 E 18 Street Zip: 75074 Telephone No.: 972 -516 -0300 Fax No.: 972 - 516 -4145 Signature: Date: By my signature affixed below, I certify that 1 have reviewed this report for accuracy and completeness of information regarding points of contact and the facility and storage tank system history and status. 1 acknowledge that if I intentionally or knowingly make false statements, representations, or certifications in this report related to the contact information, and the facility and storage tank system history and status information, I may be subject to administrative, civil, and /or criminal penalties. I attest that I have reviewed this report for accuracy and completeness. 1 understand that I am responsible for addressing this matter. I certify that the site has met all requirements for closure and that closure is appropriate. TCEQ -0028 (8- 31 -09) Page 11 of 12 By my signature affixed below, I certify that I have reviewed this report for accuracy and completeness of information regarding points of contact and the facility and storage tank system history and status. I acknowledge that if I intentionally or knowingly make false statements, representations, or certifications in this report related to the contact information, and the facility and storage tank system history and status information, I may be subject to administrative, civil, and/or criminal penalties. I attest that I have reviewed this report for accuracy and completeness. I understand that I am responsible for addressing this matter. I certify that the site has met all requirements for closure and that closure Is appropriate. Name of Responsible party Contact: Perri Kitties, Environmental Health Officer Telephone No.: 97 0 2-5110 / Fax No.: 972 - 462 -5123 :Signature; /�" Date: 3 - 3. / THE FO G ' UST BE SUBMITTED WITH THIS FORM IF NOT PREVIOUSLY SUBMITTED: • A site map illustrating the locations of the entire UST and/or AST system (including piping, dispensers, observation wells, etc.), all soil borings and monitoring wells and all other sampling points, subsurface utilities, and surface water 'within 500 feet. • A copy of the latest groundwater gradient map (if monitor wells were completed). • Summary tables of all soil, groundwater and surface water analytical results, including samples collected from any tank removal from service activities, tank system repair activities, and those collected from borings and monitor wells. The tables must clearly identify the sample number, date of collection, sampling locations, depths (if applicable), and analytical results. • Copes of any manifests or other waste receipts, and any other documents necessary for case closure. TCEQ -0028 (8- 31 -09) Page 12 of 12 Figure 1 Groundwater Pathways (see also Figure 2) x - Target Concentrations Preeeded? ■ )10.1 Close I Y Y ) 111 " . surface there existing welts, or Further delineation may surface waters within 1200 be needed. see y Y feet of source? Oroundwatar Plume NAPL? )0,• Further NAPL removal 1 )1se.' Recover and 1 Delineation Criteria © , needed/ evaluate need I L _ N for other action N A t j Existing impact to wall of Y Continue Corrective ! e — Y surface water > target concentrelmns? � Mika Priority 3.5, or local supply, 1 Y ---;(------- or probable future use of affected groundwater within 1200 feet of source'? N Plume defined to Category I levels? N Y If I f Do maximum N Close Y Future use of affected y concentrations exceed ' Priority 3.5, or local supply, OF- groundwater er Van's plume etabflity. Close Category RI levels? or probable future use of nnhlrely /prohibited? with controls if Pritrity 3.5 , affected groundwater? \, otltensiac close Y 0 IN N ' Further corrective action or 1 ' closure with controls. Expanding? anfye stability. �„ Abate expansion 1 then close. J T N Do maximum Y Y concentrations exceed )0 Verily plume stability. I Abide expansion i Category III levels, or Expanding? then close. surface water within Cis 500 feet of plume extent? Closure Flowcharts N Figure 1 Y _. dose ' ( Clow 461 W. Bethel Road Coppell, Texas 1 -)0-11 Site Closure Request Figure 2 Groundwater Pathway - Groundwater Depth < 15 Feet, or Within Typical Construction Depth (Criteria for Figure 1 must also be met) Maximum concentrations unp'otive for construction ClClose 3 xl worker exposure? Y Y Plume Defined to Protective Existing utilities or other arms Concentrations for Construction Worker for Construction worker =poems L b f utility or uz &cc u N Exposure? to groundwater within 500 feet y wither 300 Close feet of source? downgradient of source? feet of oue? Y � i- Define plane to protec ive concentrations or to closest downgradieut POE and reevaluate Y Existing or likely future utilities corridor or other likely areas of Further corrective action or construction worker exposure ` closure with controls. to groundwater within known extent of plume? N Y N Y V ortry plume status. Abate expansion 8table/Dec]iningplome? Expanding? then close. Y N ♦ ♦ ♦♦ Closure Flowcharts C I Close (cam) Figure 2 461 W. Bethel Road Coppell, Texas 2 -21 -11 Site Closure Request Figure 3 Soils Pathways Evaluate all three pathways * o Target concentrations exceeded? » ( Close) JY Y Furthw NAPL removal Y evaluate need Recover and . NAPL? s eeded ? `for outer action V g4 N 1 2 II N N r N Human Health Levels )14 Close .ill( Soil contamination < 15 fed Soil to groundwater exceeded (0 -15 feet)? or within typical conet ruction concentration exceeded? C depth exceeds explosive If Y bits? Y Y r N N ♦ y Groundwater Impact? Reevaluate considering EGO' currently maccessrlile, beneath impermeable cover? c orrec ti ve A soil typo, ptecipitstion & Needed J Request field invaatigatien Y groundwrter Y Y N Y -- ) 10 ": N Cover likely to remain intact (beneath �'e Corre now eignifiieant constmetion, not along Aetian Explosive? Groundwater targets exceeded? Exceed? Clews utility runs. ROWI. etc)? Closure with — controls N N Y Y Y Y Y Close ( CIo.e , Close Further Corrective Action unless . i groundwater pathway not of concern (sea Groundwater Pathway Flowchart) t„ 4 ,,,,,,, INNIS Closure Flowcharts Figure 3 " ' 461 W. Bethel Road Coppell, Texas 2 -21 -11 Site Closure Request