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Amberpoint BP-LR020222WATER INJECTION OBSERVATION Date of Service: Client No.: Client: 02/22/02 3181 Transwestem Commercial Services 5001 Spring Valley Rd, Suite 600 W Dallas, TX 75244 Report No.: 94021029.0070 Project No.: 94 ~0ZL03_9 Pro' Amberpoint BnllA;-~ x~ 1 ~noerpoint Bus. Pk. ~ Coppell Coppell, Texas Location: Building Pad - see attached sketch General Contractor: Hill & Wilkinson Injector: Jowell Procedure: On this date, a representative of HBC Engineering, Inc. observed the injection of water at this site. During the injection process, the following observations were recorded. Pass No.: 1st & 2nd No. of Probes: 4 Probe Length: 12 feet OBSERVATION SPECIFICATION Yes No N/A Surfactant added to each load. X Injection pressure 50 to 200 psi at manifold. X Injection downward in 18 inch intervals. X Total depth of injection was 7 feet. X Spacing of injection was 5 feet maximum. X Injection to refusal at each location. X Commen~: Technician: K. Douglas Report Distribution: (1) Transwestem Commercial Services (1) O'Brien & Associates, Inc. (1) TechniStmctures, Inc. (I) City of Coppell - Constr. lnsp. 99ss (1) City of Coppell - Bldg. lnsp. (1) Hill & Wilkinson, Ltd. (1) Halff Associates (1) State Farm Insurance Engineering, Inc. Eugene Harbour Principal This report is exctusivery for the use of the client indicated above and sharl not be reproduced in furl without written approval of H BC Engineer -0 -0 -® © '0 0