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10/07/90 12:25 %Y516 842 8570 CIIEWON U.S.A. I�J002/004 <br /> Chevron <br /> • <br /> Chwe on U.S.A.Prndects Company <br /> September 26, 1946 6001 Bollinger Canyon Road <br /> Building l <br /> San Ramon,CA 94503 <br /> P0"Box 5004 <br /> San Raman,CA 94503.0004 <br /> Mr,Harlin Knoil Marketing—Northwest 8egion <br /> San Joaquin County Public Health Services Phone 510 8421500 <br /> P.O.Box 388 <br /> Stockton, CA 95201-0388 <br /> Ret Chevron Station#9-2033. 508 W Charter Way, StOckroa^CA <br /> Attached Soil Stockpile Analytical Results and Location Map <br /> Dear Mr,Knoll' <br /> Attached you will find preliminary analytical results for samples taken from soil stockpiles at the subject <br /> site 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 permission is granted by the San Joaquin valley Unified Air Pollution Control <br /> • District(SJ VUAPCD)_ Aeration will be performed according to those conditions specified by the <br /> SIVUAPCD permit.The attached analytical results w=included With[hc aeration Pmm'L application. <br /> Permit issuance is expected within the week. In conversations with the SJVUAPCD,Chevmu has learned <br /> that an aeration schedule of 120 cubic yards per day will be imposed-Considering that there are <br /> approximately 80o cubic yards Of sail Stockpiled at the subject Site,it is anticipated that the aeration <br /> process should telae about two weeks;weather perriatting.Upon crnmpleti.0a,aerated soil will be samplad <br /> discretely every 25 cubic yards.With approval from your agency, Chevron will then reuse the aerated sail <br /> onsite as backfill material. <br /> Hopefully, this information will satisfy those requirements for public notification.If yon have any <br /> questions or comments,I can be reached at(5 t0)8424695. <br /> Sincerely, <br /> Brol L.Hunter ". <br /> Environmental Engineer <br /> Site Assessment and Remediation <br /> Athtchanent <br /> cc: Elizabeth Thayer.Central Valley RWQCB,Sacramento, CA <br /> Mrs.Pearl Myer, 1120 South Hunter Street, Stockton,CA 95206 <br /> • <br />