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Pacific Gas and <br /> & Electric Company <br /> f Environmental Support 77 Beale Street <br /> and Services San Francisco,CA 94105 <br /> Mailing Address <br /> `r P.Q.Box 7640 <br /> � San Francisco,CA 94120 <br /> 415.973.7000 <br /> January 30, 2004 , <br /> Mr. Nuel Henderson <br /> San Joaquin County Environmental Health Department i <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, CA 95202-2708 <br /> Subject: Workplan, Soil Investigation Near Two Fuel Dispensers, Stockton Service Center, <br /> 4040 West Lane, Stockton,California <br /> ffDear Mr. Henderson: <br />� L <br /> Enclosed is a copy of the subject workplan prepared by Pacific Gas and Electric Company <br /> (PG&E)Technical and Ecological Services. This Workplan was prepared in response to a Notice <br /> of Responsibility(NOR) letter dated November-14, 2003 from your department notifying PG&E <br /> that the site has been placed in the Local Oversight Program. That letter was prompted by the <br /> results of soil sampling and analysis during the October 2003 dispenser upgrade and waste oil <br /> underground storage tank(WOT)piping upgrade. <br /> The two WOT piping soil samples did not contain elevated levels of metals or volatile organic <br /> compounds (VOCs). Therefore,the workplan does not include any proposed further investigative <br /> work in this area. The diesel dispenser soil-sample contained an elevated level of diesel (140 <br /> ppm), and the soil sample from beneath the eastem'gasoline dispenser contained an elevated level <br /> of MTBE(1.5 ppm). <br /> PG&E proposes to advance two soil probes, one near the diesel dispenser and one near the <br /> eastern gasoline dispenser, and collect soil samples for chemical analysis. The purpose of the F r <br /> investigation is to assess the vertical and lateral extent of hydrocarbon-affected soil near the two <br /> dispensers. <br /> Please contact me at 415.973.3773 or RMGO@pge.com if you have any questions about this <br /> workplan. <br /> ROBERT GRAY <br /> Senior Environmental Scientist <br /> Enclosures <br /> i <br />