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r <br /> . SUMMARY <br /> The distribution of petroleum constituents in soil beneath the site appears to be lsnuted laterally to <br /> the immediate vicinity of the former tank pit and is generally present from approximately 15 feet <br /> to at least 46 feet bgs, the maximum depth explored, as evidenced by soil samples collected from <br /> S133 Although field observations and/or laboratory analysis did not identify petroleum <br /> hydrocarbons from 24 feet to 35 feet bgs in S133, it is assumed petroleum affected soil at this site <br /> generally attenuates with depth <br /> Laboratory results are generally consistent with field observations and PID readings <br /> If you have any questions or require additional information regarding this workplan, please <br /> contact us at (209) 579-2221 <br /> Respectfully Submitted, <br /> Smith Technology Corporation, <br /> Tom Lutterman, REA D e7 S`S104 <br /> Project Geologist � �� i t ANNE <br /> No C047410 � ' <br /> Jeanne Homsey, P E <br /> Exp ►� <br /> Registered Engineer No C47410 CIVIL <br /> Attachments .=. ` <br /> PC Ms Lon Shields, Diesel Performance <br /> Mr Fred Nfiner, Diesel Performance <br /> RWQCB <br /> w 197735\r"rts\sum dw 4 <br /> • <br /> Sion <br />