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�--1MOTECHNOLOGY,INC. <br /> �� G0ROUNDWATER <br /> Monitoring Well OW-3 Drilling Log <br /> Project PG do E / TRACY Owner PACIFIC GAS & ELECTRIC CO. Sketch Mop <br /> cation TRACY,CA Protect Number 203-799-8258 <br /> Date Drilled 1/4 88 Total Depth of Hole 26.5 Diameter. 10.5_ „IN <br /> Surface Elevation Water Level Initial9 IFT 24—hour <br /> Screen: Die. 4 IN^,,,,Length 20 FT Slot Size .020 IN <br /> Casing: Dia. 4 IN ..Length 5 FT Type PVC <br /> Drilling Company SIERRA PACIFIC Drilling Method HOLLOW STEM AUGER <br /> Driller LYNN PERA Log by C. DeSOCIO Notes <br /> LGeologlst / Engineer A License No. — ¢391 <br /> Description/Soil Classification <br /> (Color,Texture,Structures) <br /> 0 4 Inch asphalt over 8 Inch base course <br /> _ Dark brown—groylsh black silty clay with some course sand <br /> 2 P, I and fine gravel <br /> 0 0 (Medium stiff, moist, no product odor) <br /> (Grades lighter color to brown) <br /> 4 (Grades with no sand or gravel) <br /> (Grades sandy) <br /> b Brown sandy, silty clay <br /> 4CL (Medium stiff, moist. no product odor) <br /> q 5 (Grade less sandy) <br /> 8 (Grade more sandy) <br /> e e Encountered water 1/4/88 (1015 hours) <br /> - 10 - Brown sandy silt <br /> F �Soft, wet, no product odor) <br /> Grades more sandy) <br /> 12 - G 3 ; _; Brown fine to course sand <br /> Well graded, loose, wet, no product odor) <br /> Grades silty) <br /> "T Brown silty sand <br /> 0.0 (Poorly sorted, medium dense, wet, no product odor) <br /> 16 r A <br /> 18 - <br /> - <br /> 8 f,,.• :: <br /> "` Brown silty, fine sandy clay <br /> L 20 it D.D J (Medium stiff, wet, no product odor) <br /> r 'z CL <br /> :r. <br /> 24 ;;; u Brown fine to coarse sand <br /> Lf <br /> SW Well graded, loose, wet. no product odor <br /> +/" Rrv. s Page 1 of <br />