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SG <br /> D <br /> 88168C <br /> -6- <br /> Technical Work Plan <br /> November 1989 <br /> he exca,ltiOn, the <br /> Following removal of the contaminated soils fromles) and chemically <br /> excavation will be sampled `b tEPAotalmethod 8260 modified for diesel fuel to <br /> analyzed for TPH and (BTEX) y remediated. <br /> G <br /> confirm that the excavation is adequately <br /> DISPOSAexcava <br /> L OF CONTAMINATED SOILS will have to be removed <br /> A11 contaminated soils ted at the site S3LHD <br /> dispose of at an app Loved landfill facility. <br /> fi=b from the site and properly to a degree such that <br /> requires that all contaminated soils be remediated <br /> �.; requirement <br /> bioremediation, soil <br /> contaminant levels are not detectable by labosC including ory is. This <br /> { <br /> l causes standard an-site remediation technique to be unfeasible as none <br /> vapor extraction, and excavation and aeration programs counties an excavation and <br /> can guarantee non-detectable results. <br /> In many f <br /> �- oats remediation of the contaminated <br /> aeration program would allow for the adequate <br /> however, due Ca the local requirements, excavation and off-site disposal <br /> rr 9 <br /> E Soils, - - <br /> °� is the only feasible alternative. contaminated soil piles 1 <br /> -y Excavated contaminated soils and Che existingor a combination of the <br /> will be removed from the site and disposed Of at one, <br /> oratory analyses. <br /> following facilities, pending lab <br /> I <br /> { Chemical Waste PTanagement, <br /> Kettle <br /> Bills, California- <br /> man <br /> CSX, Inc. , Buttonwillow, California. <br /> ent, MCKittrick, <br /> Liquid Waste ManagemCalifornia. F <br /> GROUND WATER MONITORING disposal of contaminated soils, <br /> In addition to soils excavation and disp irrigation be <br /> quarte ground water sampling at the existing domestic and <br /> samples collected x <br /> Y The first quarterly P <br /> instituted for a period of two years. <br /> � 5338, 5296, and House Na. l0 will be collected by SGD while on-site <br /> from wells . <br /> for soils excavation. <br /> i. <br />