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_ a r I remediation through sampling of the stockpiled soil, was used to backfill the excavation. The work was 11 performed under the direction of the APCD and local fire district after the San Joaquin County Public Health Services, Environmental Health Division and the California Regional Water Quality Control Board indicated that their oversight would not be providedaI PROPOSED SCOPE OF WORK Ground Zero will supervise the drilling of a single soil bor and dispenser island. The location of the proposed boric performed by Spectrum Exploration (C57-512268). The be below grade. This depth should represent the capillary information from Uriah Environmental. A soil sample w capillary fringe zone at approximately 25 feet below grad washed brass tube, sealed with teflon tape and plastic endc under chain of custody to Argon Laboratories (DHS -1873 Subsequent to soil sampling, a discrete water sample Hydropunch II water sampler. The water sample will implement into the water table using a 140 -pound drop ha the screened portion of the sampler under natural hydra collected using a pre -washed bailer into appropriate conta will be labelled, placed on ice, and transported to Argon ig (SBI) in the vicinity of the former tanks is shown on Figure 2. Drilling will be -ing will be drilled to approximately 25 feet fringe zone of the water table, based on 1 be collected from boring SB1 within the . The sample will be collected into a pre- ps, labelled, placed on ice, and transported in Ceres, California for analysis. be collected from the boring using a collected by driving the Hydropunch II er and allowing groundwater to flow into Ic pressure. The water sample will be supplied by the laboratory. The sample )oratories for analysis. The boring will subsequently be grouted to the surface with a neat cement grout. Field work will be performed in accordance with Ground Zero's Quality As 11 Control plan (on file with PHS/EHD) and Site Safety Plan (SSP, Attachment B). Soil and groundwater samples will be analyzed for total petroleum hydrocarbons as gasoline (TPHG) by EPA method 8015 modified and benzene, toluene, ethylbenzene, and xylenes (BTEX) by EPA method 8020. Field and analytical data will be summarized in a brief letter report. The field work has been tentatively scheduled for Thursiday, September 7, 1995 if PHS/EHD can accommodate Mr. Ranuio's request for expedited review iof this workplan. Enclosed is a completed permit application and associated fee. it I it i h:\wp51 \groundze\lane\ranuio. wkp 2