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RODR <br /> W S 1386 C. Beam 5C <br /> ( Bo177 <br /> WESTERN GED-ENGINEERS ���,�` '�� Woodland,RCA 4 695x9603 <br /> Rt'GrsT£R£D GEOLOGISTS FAX 916/662-0273 <br /> (916 ) 662-4541 <br /> nF,ri 1 22 , 1988 <br /> ELAN 1"OR S ETK A.SS2-SSMLN1P, OUTLINE <br /> i <br /> DESERT PETROLEUM SERVICE: STATION #787 at 950 11th Street , Tracy, J <br /> California, in Sec 29, 11,2S, RSN, MDA&M <br /> FOR: Peter Allen , WALTON LNGINErRING, 837 Riske Lane, West <br /> c <br /> Saramento, CA 95691 , (916) 372-1888, <br /> Ref: Walton Project #88-2104 <br /> I. Preliminary Plan For Site Asessment <br /> I A. Extract fluid from o en' <br /> p pit left when 3 tanks were remdved� <br /> Pump into a holding tank (tanker truck) . <br /> 1 . to clean up tank hole <br /> 2. to check for recharge <br /> a, check for product in recharge fluid <br /> b. if product is found, extract into holding tank f' <br /> repeat ur� z2 clean _ <br /> lam Remove all sand <br /> and <br /> native soil gravel from Lank hole and remove <br /> 1 • past odor or sniffer reading detection <br /> 2, screen soil with fruit jar and sample sniffer <br /> 3. when "clean <br /> ' a• sample native soil at: each of the 3 tank sites <br /> 4.' b. Che above 3 samples 1:0 a certified. lab for. HTEX <br /> . C. Install 3 monitor wells to 15 feet into is water (estimate <br /> 26 feet, total depth) . _ Two down � <br /> background 9>•adient: and one <br /> g (gyp gradient:) and for gradient measurement. <br /> 1 . NW corner• Of site (9th .& <br /> 11th streets) ; down gradient. <br /> ? 2. NE of tank hole (near filth street) ; down gradient. <br /> 3. South. of sw corner of Station Building; background <br /> \4. Developby pumping fluid into tanker true <br /> D. When certified lab results <br /> are back showing bottom of tank' <br /> hole is clean <br /> 1 . Install new tanks as previously planned- <br /> 1 <br /> 2• Open station for business. <br /> ^ II. Set up monitoring program <br /> work is necessary. to determine if any other remedial <br /> { <br /> VIII. Prepare complete site characterization and assessment plan <br /> if other remedial action is needed , <br /> --- ---- i --------._------ ---------.— —Respectfully sub[gitted, - <br /> Jack E. Napper <br /> Registered Geologist: 83037 <br /> JEN/lm <br />�` NMI 1119MIR 101MINVINI III <br />