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Brett Hunter <br /> Page 2 <br /> to ensure it is still in place and should only be removed for <br /> soil sampling or for soil pile removal. PHS/EHD will refer any <br /> uncovered contaminated soil piles to the San Joaquin Valley <br /> Unified Air Pollution Control District for enforcement action, if <br /> warranted. <br /> The analyses of the composite soil sample from the stockpile, <br /> designated SP-1 a-d, indicates petroleum hydrocarbons. Although <br /> the levels of contamination are not high, the four to one <br /> composite sampling of this stockpile may not be as representative <br /> of the actual levels of �contamination in the pile as would a more <br /> discreet sampling protocol. The stockpiled soil generated from <br /> the removal of the former underground storage tanks may not be <br /> used as backfill for the excavation unless more discreet sampling <br /> (one discreet sample for every 25 cubic yards of soil) is <br /> performed. The portions of the soil pile that soil sample <br /> results indicate are free from hydrocarbons may be used as <br /> backfill for the finished excavation. <br /> The proposed over-excavation work, as outlined in the workplan <br /> and including the above: mentioned considerations, may be <br /> scheduled to begin at any time. Please provide 48 hours advance <br /> notice to this office prior 'to initiating the work at the site. <br /> If you have any questions, please contact Linda Turkatte, REHS, <br /> of ny staff at (209) 468-3441. <br /> Jogi Khanna, zD. , M.P-.H. <br /> Health Off ' erg <br /> L -ie A. Cotu la, HS; Program Manager <br /> nvironmental Health Division <br /> LAC/It <br /> c: CVRWQCB-Beth Thayer <br /> c: A.G. Spanos Construction-George Spanos <br /> c: Touchstone Developments-Jeff Monroe <br />