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24 November 1997 , <br /> AGE-NC Project No.-95-0144 <br /> Page 3 of 3 . <br /> 77 meter equipped with a photo-ionization detector(PID) pre-calibrated to isobutylene. <br /> ,I .9: Log soil sample duplicates described ,in accordance with the Unified'Soil CIassification <br /> .- <br /> -System..., ' ' <br /> ` .10. .Collect grab water samples from the probing near GP=I at depths of 25 feet bsg and 40 feet <br /> bsg using a Geoprobe water sampling assembly by advancing the ground water sampling <br /> assembly to-the desired sample`depth and retracting the casing to expose 4 feet of screened. <br /> PVC casing.Water will be retrieved using a positive displacement sample tubing and ball <br /> bear.ing.ass embly.The ground water,samples will be.collected into 40-m1 VOA vials and <br /> one-liter amber bottles. <br /> 11. -Label the ground water.sample containers with location: probc number; date andtiane of <br /> r sampling, andthe sampler'.s initials. r ' <br /> 12. Store the labeled samples in a chilled container and transport to arstate-certified analytical <br /> r laboratory for analysis. Selected soil and grab water samples will be analyzed for TPH-g, <br /> TPH-d and BTE&X in-accorda'nee with EPA methods 8015m and 8020/602, respectively. <br /> 13. Backf 11 each-probe boring to surface grade with Portland cement. <br /> 4:2. REPORT PREPARATION <br /> Results of probing activities will be includcd.'1A- a Quarterly Report. The report will include'. <br /> recominendations for additional investigation or remediation; if necessary: The report will be in a_ <br /> format acceptable to the PHS-EHD -and the CVRWQCB.and will be reviewed and signed by a <br /> -California Registered Geologist. <br /> Advanced GcoEnvironmental,Inc. <br />