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1 <br /> t4) Preserve soil by covering both ends with aluminum foil, capping, and sealing with <br /> tape. <br /> Ile 5) Label and log soil samples on a chain-of-custody form <br /> 6) Store the samples under ice and transport the samples in a chilled container to a <br />' State certified laboratory for analysis <br /> 7) Selected soil samples will be analyzed for total petroleum hydrocarbons (TPH as <br /> gasoline and diesel) and volatile aromatics (BTE&X), in accordance with EPA <br /> methods 8015m and 8020, respectively <br />' 8) Log core samples in accordance with the Unified Soil Classification System <br /> 9) Screen core samples for the presence of volatile organics using a photo-ionization <br /> detector (PID) pre-calibrated to isobutylene <br />' 10) Place auger returns on plastic sheeting and store on-site pending analytical results <br /> 11) Decontaminate sampling equipment in an alconox solution and rinse twice with water <br /> prior to each sampling run <br /> 12) Steam-clean auger flights after drilling <br /> 13) Backfill each boring using a concrete-bentonite slurry in the entire depth of the <br /> boring <br /> 14 Prepare a report detailing the results of the work in an appropriate format to be <br /> submitted to the PHS/EHD The report will be reviewed and signed by a California <br /> iRegistered Geologist <br />' The opportunity to prepare this work plan is greatly appreciated If you have any questions <br /> or comments, please contact our office <br /> tSincerely, <br /> EGEOLOGICAL AUDIT SERVICES, INC <br /> Kevin McKibben <br /> Staff Geologist <br /> Geological Audit Services.Inc, <br /> Stewart s Beacon WP-21661 S/10 94 2 <br />