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"_LeROY'CRANDALL AND ASSOCIATES <br /> geotechnical consultants❑p.o. box 25088 0 90o grand central ave.0 glendaleca.91201-3009 <br /> a subsidiary of Law Engineering 4 ''"`facsimile(818)246-4308 , <br /> telephone(818)243-4140 <br /> - I <br /> �. <br /> Nam— <br /> T�A-2' 26� 1988 <br /> San Joaquin Local Health District <br /> Environmental Health Division <br /> 1601 East Hazelton Avenue <br /> P. 0. Bax 2009 <br /> Stockton, California -'95201 ,,-. (Our Job No. F-88224) <br /> j - <br /> Attention: I Ms. Diane Hinson <br /> Gentlemen: ( <br /> ll Supplementary Information <br /> Proposed Site Assessment <br /> r. Assessor Parcel Number 161-030-02 4� <br /> North of and.Adjacent to the Shell <br /> Oil Company Bulk Fuel Terminal <br /> Rough and Ready Island <br /> Stockton California <br /> As per your request of July 22, 1988, we are submitting the <br /> following supplementary information regarding LeRoy Crandall and <br /> j AssociatesItIproposed site assessment at the above described parcel in <br /> Stockton, California. <br /> The seven proposed soil borings will be drilled to approximate <br /> 12-foot-depths using a 6k-inch-diameter, truck-mounted,- hollow-stem <br /> flight auger drill rig.. The dri.iling.subcontractor will,be selected <br /> after approval to proceed has been obtained. The .soils at each boring <br /> location will be selectively sampled from approximately 3 to 6 .feet and <br /> 9 to 12 feet; below groa.mnd surface. The samples .will be obtained with a <br /> modified, California split-spoon sampler using 24" x 6" brass sleeve <br /> inserts. The sampler will be decontaminated between samples using a <br /> laboratory grade detergent and clean water. <br /> i' <br /> During our drilling, a ground water sample will be obtained from <br /> the existing, on-site monitoring well, Mw-19. Prior to collection, <br /> three to five well volumes will be bailed using a clean teflon bailer. <br /> The sample will be stored in an EPA-approved glass container. <br /> The soil and water samples will be sealed, labelled, and stored <br /> in an iced .chest prior to shipment to Environmental Testing and Certifi- <br /> cation, a State certified laboratory in Santa Rosa, California. The <br /> shipment will be accompanied by chain-of-custody.documentation. The <br /> ground water and selected soil samples will be analyzed for purgeable <br /> organic compounds using EPA Method 624. <br /> copy <br /> y <br /> I <br />�x���� l�r}-m:Axa^t�-r..�xss-.c-.•��rr,;"..;«.,a.....,...-,.._..�._, _ - - _ <br />