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09/26/86 15:18 0510 842 8370 C13EVRON U.S.A. 11002/066 <br /> • • <br /> Chevron <br /> • <br /> Chevron U.S.A.Products Comgaoy <br /> September 26, 1996 6001 Ballinger Canyon Road <br /> oP Building L <br /> San Ramon.CA 94583 <br /> P.O-Box 5004 <br /> San Ramon.CA 94583-0804 <br /> Mr.Harlin Knoll Marketing—Nordnvest Region <br /> San Joaquin County Public Health Services Phone 510 842 4500 <br /> P.O.Box 388 <br /> Stodaon,CA 95201-0388 <br /> Re: Chevron Station#9-2033 508 W. Charter Way.Stcok[M CA <br /> Attached Soil stockpile Analytical Results and Location Map <br /> Dear Mr. Knoll: <br /> Attached you will find preliminary analytical insults for samples taken from sail stockpiles at the subject <br /> sale that were generated during recent excavation activities_You will also find attached a site map that <br /> shows the locations of these stockpiles at the site. <br /> As described in Touchstone Developments(Touchstone)Corrective Action Plan dated August 30, 1996, <br /> Chevron intends to remediate hydrocarbon impacted soil onsite by aeration.Aeration of stockpiled soil <br /> Will proceed as soon as percussion is granted by the San Joaquin Valley Unified Air Pollution Control <br /> • District(SJVUAPCD). Aeration will be performed according to those conditions specified by the <br /> SJVUAPCD permit-The attached analytical results were included with the aeration permit application. <br /> Permit issuance is expected within the Sveek, in conversations with the SJVUAPCD,Chevron has learned <br /> that an aeration schedule of 120 cubic yards per day will be imposed_ Considering that there are <br /> approximately 900 cubic yards of soil stockpiled at the subject site,it is anticipated that the aeration <br /> process should take about two weeks,weather permitling. Upon completion,aerated sail Will be sampled <br /> discretely every 25 cubic yards.With approval from your agency, Chevron will then reuse the aerated soil <br /> onsite as barkfrll material. <br /> Hopefully,this infornalion will satisfy those requirements for public notification If you have any <br /> 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 /> Attachment <br /> cc: Fliz Beth Thayer,Central Valley RWQCB,Sacramento,CA <br /> Mrs.pearl Myer, 1120 South Hunter Street,Stockton,CA 95206 <br /> • <br />