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11/07/0¢ 10:53 '0510 sat 8970 CHEVRON t .S..A. 10017/031 <br /> 1000 GROUNDWATER <br /> TECHNOLOGY, INC. <br /> Monitoring Well 9 Drilling Log <br /> Project Chevron/Sto_r�•xtt n __Owner T. C. Sketch Mop <br /> Location St2Ckt0n, Ca. !Project Number 02320-1487 1 <br /> Date Drilled 7/lf/9] Total Depth of Hole 70 ft,_Dlameter Diameter--LO-in. SEE SITE PLAN <br /> Surface Elevation water Level Initiol_.-55 ft. 24_hour <br /> j Screen: Dia. 4 in. Length 15 ft. _Slot Size .020 in. <br /> Ccsing: Dla. 4' in. Length 53 ft. Type PVC <br /> Drilling Compony. Spectrum DrIlling Method�llow'stem Itltger I <br /> Driller R. Livingstone Log by E. Simonis Notes: <br /> Geologist / Englneer E. 4imonis License No. a-G- tJ422 <br /> II <br /> Descrlptfon/Soh Classification <br /> (Color, Texture, Structures) <br /> V <br /> Tank pit backfill; 1/2 inch gravel <br /> 2oo- <br /> o ((��p • <br /> O..Q: . <br /> I 4 D a eQ•;Q: <br /> 6 <br /> GW <br /> o ..oC�.-0 <br /> 10 p a <br /> 3 4j` (sample not recovered) <br /> a.. <br /> 12 Q a , Q_o^ <br /> 14 4:60: <br /> MW9-16 Brown, sandy clay (stiff, dry, slight hydrocarbon <br /> 14 7 odor) <br /> 16 a; 14 <br /> D. <br /> 18 <br /> MWs-21 CL (grades tan and light gray mottled, very sandy, <br /> 20 moderate hydrocarbon odor) <br /> 0 190 10 <br /> L24 <br /> .p <br /> ' 18 <br /> a <br /> e; <br /> n <br /> e/ae Rev. a Page_1 of-L <br /> i <br /> , <br />