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Chevron <br /> f{ � 9hevron <br /> 7- <br /> PFi : <br /> Chevron Products Company <br /> 6001 Bollinger Canyon Road <br /> May 19, 1997 Building L <br /> San Ramon,CA 94583 <br /> P.O.Box 6004 <br /> San Ramon,CA 94583-0904 <br /> Ms.Mary Meays Marketing—Sales West <br /> San Joaquin County Public Health Services Phone 510 842-9500 <br /> 304 E. Weber Ave., Third Floor <br /> Stockton, CA 95202 <br /> Re: Chevron Station#9-4275,2905 West Benjamin Holt Drive, Stockton; CA <br /> Attached Product Piping Removal Soil Sampling Report(Touchstone, 12/22/96) <br /> Dear Ms. Meays: <br /> Attached you will find a report dated,December 22, 1996,which was prepared by Chevron's consultant, <br /> Touchstone Developments(Touchstone),to describe subsurface construction activities that were <br /> 1.performed at the subject site on November 18, 1996. <br /> Concurrent with the removal and replacement of product piping,..soil samples were collected from within <br /> piping trenches and from approximately 240 cubic yards of soil and pea gravel stockpiled onsite..Soil <br /> samples were.analyzed for the presence of TPHGas,TPHDiesel;BTEX constituents,MTBE, and total <br /> Lead. There were low levels(<10 ppm)of motor fuel hydrocarbons detected at nearly all sampling <br /> .locations. Total Lead concentrations were detected and are thought to be representative of naturally <br /> occurring levels. <br /> There were approximately 200 cubic yards of hydrocarbon-impacted soil transported to BFI Landfill in <br /> Livermore,California for disposal. Approximately 40 cubic yards of pea gravel were reused onsite to <br /> haci¢11 piping trenches. <br /> If you have any questions or comments, I can be reached at(510)842-8695. <br /> Sincerely, <br /> Brett L. Hunter <br /> Environmental Engineer <br /> Site Assessment and Remediation <br /> I <br /> . Reryded <br />