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F <br />+ 4e/ M `y <br />t77J 7386 [. Reamer St <br />WESTERN <br />Rt. Art Box 177 <br />` �• �• ,/ Woodland, CA 95695-9603 6 <br />REGISTERED GE'OLOG'ISTS FAX 916/662-0273 <br />(916)662-4541 <br />Apri 1 22, 1988 <br />PLAN 1"OR S ITN ASST SSM( NT, OUTLINE <br />i• <br />DESERT PETROLEUM Sl RVICi STATION #787 at 950 11th Stree <br />t;, Tracy, <br />California,, in Sec 29, 'P2S, R5), MDA&M <br />FOR: Peter Allen, W11L'1'ON 1:NCINEI;RING, 837 Rieke Lane, West ,Ft <br />Sacramento, CA 95691, (916) 372-1888. <br />Ref: Walton Project #88-2104 <br />I'. Preliminary Plan For Site Asessment <br />A. Ex ract fluff rom open <br />i left en 3 tanks were, �rem <br />Pum into - hol ing t k (t ker -ruck).Quad. <br />1 . to lea up to h e G�Mf% S'/y/1$ <br />f [ <br />2. to c k ' far re argeir� <br />ac k forac�.s�,. �i src Sir �s <br />p d ct in r ha a fluid Shen S® ".; <br />b•• f p duct is f and, xtract into holdingzle� 4.' <br />repeat u .i1 clew tank <br />B. Remove all sand and <br />pe gravel from ank hope and remove,:-' <br />native soil � <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 <br />b. ietch of the 3 tank sites <br />:he above 3 samples each <br />a certified lab for BTE'X <br />C. Install 3 monitor wells to 15 feet: into 1st water tuna_ ., # <br />26 feet, total depth) . Two•'down (estimate <br />background (u � gradient: and one <br />f gradient) and for gradient measurement. <br />1 NW corner of site (9th & 11th streets); down gradient. <br />2. NE of tank hole (near 11th street); down gradient. <br />3. South of SW corner of Station Building; background <br />4. Develop by pumpinq fluid into tanker truck <br />e <br />When certified lab results are back showing bottom of <br />hole is glean tank <br />1 <br />Install new tanks as' r <br />2. Open station for businessiously planned. k ; <br />II. Set up monitoring-program•t .,,r> � t <br />to determine if any other• r <br />work is necessary. emedial <br />TII Prepare complete site characterization and assessment plan <br />k! $ s <br />if other .remedial action is needed, }, <br />+Pi <br />Respectfully 'sub{9ttted, ; <br />Jack E. Napper` <br />Registered Geologist #3037 ' ►r <br />JEN/Im (; <br />