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,k X 1;1. <br /> 6E`T T L ER RYAN­]Nc. �-�q <br /> d ;I i ? - <br /> ' <br /> August 31 .1998 <br /> Mr. Harlin Knoll <br /> ' San Joaquin County Environmental Health Division <br /> 304 East Weber Avenue <br /> Stockton, Cahfornia'95202 <br /> Subject: Drill Cuttings and Rinsate Disposal <br /> Former Tosco(Unocal)Service Station No.5421 <br /> - ..,r - 4 •- - 7303 Pacific-Avenue;Stockton,Califorhia- <br /> Mr. Knoll: _ <br /> At your'request, Gettler-Ryan Inc. (GR) is forwarding'information regarding the disposal of drill cuttings and <br /> rinsate water generated during the abandonment of four 'groundwater 'monitoring wells'at .the- above site. - <br /> Abandonment activities were performed on Aiigust 27 and 28;,1998,and was witnessed by a San Joaquin County <br /> Environmental Health Division representative on-August 27: <br /> Approximately 225 gallons of water generated during steam cleaning-of the drill augers and the rinsing of the <br /> concrete mixer were stored on-site in drums. The water was removed'on August 31, 1998 by GR personnel and <br /> transported to the Tosco Refinery in Rodeo, California for treatment under a NPDES permit granted by the San <br /> - Francisco Region of the Cahfomia Regional Water Quality Control Board. <br /> Approximately'5 cubic yards of drill cuttings were also generated during abandonment activities: Upon receipt of <br /> soil stockpile sample analytical. data and disposal approval,-the soil will-be transported to Forward Landfill in <br /> Stockton, California. If Forward cannot accept -the soil,.it will,then be sent Ao Laidlaw`iri Buttonwillow, <br /> California for disposal. <br /> _ Ifvou.have any questions or comments,please,call me in our Dublin office"at(5 1'0)551-7555. <br /> Sincerely, <br /> Gettler-Ryan by <br /> Clyde J. Galantine , <br /> Project Geologist <br /> cc: Ed Ralston, Tosco Marketing Company . k <br /> 140162.04 <br /> 6747 S i e r t a Court , :,Suite J Dublin ; _California 94588 { 925 ) 551 - 7555 <br />