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I y <br /> 1 1 1 <br /> l 5 October 2000 . <br /> AGE-NC Project No 96-0232 <br />' L Page 3 of 15 <br /> m a clulled container and transported to a California Department of Health Services (DHS)-certified <br /> laboratory for analysis for the following analytes (with the exceptions noted below)• ` <br /> • Total petroleum hydrocarbons quantified as gasoline and diesel (TPH-g and TPH-d, <br /> respectively) by EPA Method 8015M, <br /> • Volatile aromatic compounds - benzene, toluene, ethyl benzene and xylene (BTEX) with <br /> methyl-tertiary butyl ether(MTBE) by EPA Method 8020, <br /> al <br /> • Fuel oxygenated compounds - tertiary butanol (TBA), di-isopropyl ether(DIPE), ethyl tert <br /> butyl ether(ETBE), tett amyl methyl ether(TAME), methanol, ethanol and MTBE by EPA <br /> Method 8260M, and <br />' Ethylene dibromide (EDB) and 1,2-dichloroethane (1,2-DCA) by EPA Method 8260M <br />' The samples collected on 06, 13 and 19 July and 03 August 2000 were not analyzed for 1,2-DCA <br /> or EDB The samples collected on 06, 13 July and 11, 15 August 2000 were not analyzed for <br /> r <br /> • methanol and ethanol The samples collected on 06 and 13 July 2000 were not analyzed for DIPE, <br /> TAME, ETBE or TBA <br /> 2 2 3 Laboratory Results Of Water Samples <br />' A total of eight grab ground water samples were collected from EW-1 in July,August and September' <br /> 2000'and were submitted to a DHS-certified laboratory MTBE was detected in the water samples <br /> at concentrations between 68 and 1,800,ug/l None of the other analytes were detected above <br />' L } laboratory reporting limits in samples collected during the last eight sampling events The analytical <br /> results from'EW-1 ground water samples are summanzed in Table 2 Baker tank Non-Hazardous <br /> " Waste Manifests are presented in Appendix A The laboratory report and chain-of-custody forms are <br />' presented in Appendix C <br />' 3.0. INSTALLATION OF GRQ ND WATER EXTRACTION WELLS <br /> On 17 July_2000, ground water extraction wells EW-2 and EW-3 were installed at the site, ground <br />' water extraction well installation procedures for the site were outlined in Remedial <br /> Investigation✓Feasibility Study Work Plan Addendum, dated 11 July 2000, prepared by AGE and <br /> approved by the RWQCB by letter dated 14 July 2000 <br /> h <br /> i <br /> Admneed GecEnvironmentai,lag <br /> t <br />