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30 September 1996 <br /> AGE-NC Project No 95-0128 <br /> Page 4 of 5 <br /> 12 Cuttings will be stored in properly labeled D O T model 17H 55-gallon drums on-site <br /> pending laboratory analysis and disposal <br /> 13 Rinseate generated during drilling activities will be containenzed in properly labeled D O T <br /> model 17H 55-gallon drums,and stored on-site in an area inaccessible to the general public <br /> 14 Develop new monitoring wells utilizing a submersible pump until water is essentially <br /> sediment free <br /> 15 Survey the top of each well casing to the nearest l/100th of a foot to determine the elevation <br /> relative to a single well <br /> 3 2 GROUND WATER SAMPLING <br /> Upon completion of installation procedures, ground water samples will be collected from each new <br /> well <br /> • 1 No sooner than 48 hours after installation of ground water monitoring wells, measure to the <br /> nearest 0 01 foot, the static water Ievel in the new wells <br /> 2 Using a dedicated bailer or submersible pump, surge and purge all wells At least three well <br /> volumes of water will be removed from each well to stabilize temperature, pH, and <br /> conductivity, stabilization parameters will be measured at one-well volume intervals <br /> 3 Ground water samples will be collected using polyethylene disposable bailers, samples will <br /> be collected in l-liter amber bottles and 40-m1 VOA vials preserved with hydrochloric acid <br /> 4 Label and log water samples on a chain-of-custody form <br /> 5 Store the samples in a chilled container and transport under chain-of-custody procedure to <br /> a state-certified laboratory for analysis Water samples will be analyzed for TPH-g, TPH-d <br /> BTE&X and MTBE, in accordance with EPA methods 5030/8015m, 5030/8015m, 8020/602 <br /> and 8020/602, respectively <br /> 6 Store purged water in properly labeled D O T model 17H 55-gallon drums on-site in an area <br /> inaccessible to the general public, pending analytical results <br /> 33 REPORTING <br /> • A report detailing the results of the investigation will be prepared The report will be in a format <br /> acceptable to the PHS-EHD and CVRWQCB If appropriate, the report will be a revised Corrective <br />