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TECHNOLOGY�INC. <br /> Monitoring WellOW—.2Drilling Log <br /> Project PG do E / TRACY Owner PACIFIC GAS lk ELECTRIC CO. Sketch Map <br /> Location TRACY.CA Project Number 203-799-8258 <br /> Date Drilled 1/4/88 Toto! Depth of Hole 26.5 FT' Diameter 10.5 1N <br /> Surface Elevation Water Level Initial 9.5 FT 24—hour <br /> Screen: We. 4 IN Length 20 FT Slot Size .0201N <br /> Dosing:. Dia. 4 IN Length 5 FT —Type— PVC <br /> DrOling Company SIERRA PACIFIC Drilling Method HOLLOW STEM AUGER <br />)rlller LYNN PERA Log by C. DeSOC10 Notes <br /> ,¢3caf,¢ Leak in headapace <br /> Geofoglst / Engineer License No. container <br /> 3 <br /> Ai Description/Sol Classification <br /> _ (Col or,Texture,Structures) <br /> Q 3 inch asphalt over 6 Inch base course <br /> 0 <br /> _ CL Black silty clay <br /> 2 (Medium stiff, moist, strong odor—Lampbiack [PNAD <br /> o (Grades lighter color to brown) <br /> 4. Brown—gray alty clay <br /> (Medium stiff, moist, slight product odor) <br /> _ C <br /> 6 Green-gray silty clay <br /> _ 666 A (Soft, moist, strong product odor) <br /> r <br /> 8 Y B (Grades very moist.. strong product odor) <br /> 466' <br /> 538 C Encountered water 1/4/88 (1440 hours) <br /> 10 D CL Brown silt cls with minor sand <br /> rr: y y <br /> 't.`• 1 (Medium stiff, wet. product odor) <br /> 12 - *412 E" 1 (Grades grayish wuth fine to medium gravel, wet, strong <br /> _ 189 F1f product odor) <br /> 14 �' 3 Grades sandy, less product odor) <br /> Grades less gray to brown) <br /> Grades no product odor) <br /> 16 . r' ..., 10.8 G Grades finer sand) <br /> u }st <br /> n <br /> 8 t Brown very fine sandy silt <br /> 7- <br /> L (Soft, wet. no product odor) <br /> :L zit <br /> 20 H <br /> :r Brown sand <br /> r 9 � ' (Well sorted, loose, wet, no product odor) <br /> 22 _ �ts Brown sand with gravel <br /> ...... " (Well graded, medium dense. wet. no product odor) <br /> 24 (Well Brown sand <br /> •. P:.' Well sorted, loose. wet, no product odor <br /> Y" may, r Pave 1 ofd <br />