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10109195 11:42 0510 842 8252 CHEVRON PRODUCTS �003�n03 collected UST samples T2-N-16.0 aznd T3-N-15.0.The outer stockpile represents approximately twenty seven cubic yards of sail that was generated on October 3, 1995 during the removal of hydrocarbon- impacted soil that was beneath Touchstone's previously collected dispenser sample,D-5-3.0.Total depth of the resulting excavation was seven feet below grade.Soil samples were collected by Touchstone at the limits of this excavation on October 3, 1995 without direct oversight by SJCPHS personnel_Chevron will provide at least forty eight hour na"c o ion to SJCPHS of its intent to eample these two stockpiles for landfill disposal characterization, On October 3, 1995,TouchAone also collected a soil sample from beneath a sand and grease trap that was removed fr=the service bay floor.During this sampling there were approximately two cubic yawls of soil stockpiled onsite. As specified in the Notice To Abate,which was issued at the subject Site by Ron Roe of your stab on October 4, 1995,Chevron viii submit a workplan to describe further excavation in this area and resulting stockpile characterization. By way of this letter, Chevron is providing notification to your agency that it intends to swnple the remaining two stockpiles(approx. 67 cubic yds.)on Wednesday,October 11, 1995_A representative from Touchatone Developments will be at the site at 9:00 am.It was my understanding from,our telephone conversation today that this sampling event would be considered valid even without the direct oversight by SJCPHS personnel. The analytical results of all stockpile sampling wilt be forwarded to 13FI Landfill in Livermore,California Once approval is received from that facility and conctmenm received firnu your agency,Chevron will then proceed to load and transport soil stocWles offsite.I will look forward to receiving your concurrence. Thank you for your willingness to oonsider this proposal for the disposal of stockpiled soils at the subject site.M you have any questions or comments,I can be reached at(3 10)842-8695. j } i Sincerely, Brett L.Hunter Environmental.EnVnee r Site Assessment and Remediation Anachutents I l M Pon Roe,San Joaquin CoumtyPublic Health Services,P.O-Box 388,Stockton,CA 95201-0388 (who attach_) Robert McClelior,San Joaquin Comity Public Health Services,P.Q.Banc 388,Stockton,CA j 952010385 (who attach.) Ehz.bethtz bethhzat eth Thayer Central Vali RW , Valley Q('S,Sacramento,CA Robert Mallory,Touchstone Developments,5507 Balboa Dr.,Oakland,CA 94611 (w/o attach.) Rick Garrett, Chevron USA Products Company,San:Ramon,CA E I I I 4 I