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Mr.Nuel Henderson,SJCEHD October 17,2005 <br /> Site Investigation Work Plan <br /> Former Quick-n-Save Market&Gas,Stockton,California <br /> Page 5 <br /> strict chain-of-custody protocol to a California-certified analytical laboratory for analysis. <br /> A quarterly monitoring program will be initiated. <br /> Task 2E: Site Survey <br /> A California licensed land surveyor will be retained to survey the horizontal coordinates <br /> and elevations of each newly installed well. Elevations of the top-of-casing of the wells <br /> will be surveyed to a 0.01-foot vertical accuracy. The elevations will be established <br /> relative to a known benchmark in feet mean sea level (MSL). These data will be <br /> submitted to the California Regional Water Quality Control Board as required by AB <br /> 2886 (GeoTracker). <br /> Task 3: Laboratory Analysis <br /> Soil and groundwater samples will be analyzed for TPHG using United States <br /> Environmental Protection Agency (USEPA) Method 8015B/DHS LUFT, and for benzene, <br /> toluene, ethylbenzene, and total xylenes (BTEX), MTBE, ethyl tertiary butyl ether <br /> (ETBE), tertiary amyl methyl ether (TAME), di-isopropyl ether (DIPE), tertiary butyl <br /> alcohol (TBA), and 1,2-dichloroethane (1,2-DCA) using USEPA Method 8260B. <br /> Task 4: Report Preparation <br /> Following completion of the proposed activities and receipt of all analytical data, a report <br /> will be submitted to document findings of the investigation. The report will include a <br /> scaled site plan, soil boring logs, well details, tabulated analytical data tables, and <br /> certified analytical results. <br /> K:\Quick-n-Save\Work P1ans\quicknsave-wp-101705.doc 57KA7-US <br />