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r � • i <br /> ,gtltrP�t,R.�r, Chevron <br /> • �� 7ClT l^,il}I�`I41iIfC 7 <br /> 7 ., Q21 <br /> Chevron U.S.A.Products Company <br /> September 26, 1996 6001 Bollinger Canyon Road <br /> Building L <br /> San Ramon,CA 94583 <br /> P.O.Box 5004 <br /> San Ramon,CA 94583-0804 <br /> Mr. Harlin Knoll <br /> San Joaquin County Public Health Services Marketing—Northwest Region <br /> P.O.Box 388 Phone 510 842 9500 <br /> Stockton, CA 95201-0388 <br /> Re: Chevron Station # 9-2033. 508 W. Charter Way, Stockton, 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(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 week. 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 800 cubic yards of soil stockpiled at the subject site,it is anticipated that the aeration <br /> process should take about two weeks;weather permitting. Upon completion, aerated soil will be sampled <br /> discretely every 25 cubic yards. With approval from your agency, Chevron will then reuse the aerated soil <br /> onsite as backfill material. <br /> Hopefully,this information 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 /> J <br /> Brett L.Hunter <br /> Environmental Engineer <br /> Site Assessment and Remediation <br /> Attachment <br /> • cc: Elizabeth Thayer, Central Valley RWQCB, Sacramento, CA <br /> Mrs. Pearl Myer, 1120 South Hunter Street, Stockton, CA 95206 <br />