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1 <br /> GROUNDWATER <br /> LLEJ TECHNOLOGY,INC. _ <br /> Monitoring Well OW—4 Drilling Li <br /> roject PG do E / TRACY Owner PACIFIC GAS do ELECTRIC CO Sketch Map <br /> Location TRACY,CA Project Number 203-799-8258 <br /> ' Date Drilled 12/22/87,Total Depth of Hole 25 FT Diameter 10.5 IN <br /> Surface Elevation Water Level Initial 7 FT 24—hour <br /> Screen: Dia. 2 IN Length 20 FT Slot Size •010 1N <br /> ' Casing: Dia, 2 IN Length 5 FT Type PVC <br /> Drilling Company SIERRA PACIFIC Drfling Method HOLLOW STEM AUGER <br /> Driller BEN HUNT Log by C. DeSOC10 Notes <br /> Geologist / Engineer License No. '� - <br /> ~' Description/Soil Classification <br /> e <br /> (Col or,Texture Structures <br /> ' 0 3 inch asphalt over 9 Inch base course <br /> o <br /> L Dark brown silty clay with minor sand <br /> 2 A (Medium stiff, slightly moist, no product odor) <br /> 0 o B <br /> C (Grades lighter brown and mottled light brown) <br /> 4 D <br /> S, o•o E (Grades to clayey silt) <br /> Light brown clayey silt with minor sand 6 ;' L (Soft, wet, no product odor) <br /> 00 MEncountered water 12/22/87 (1105 hours) <br /> H <br /> ' 8 i " I (Grades darker brown) <br /> rii D J <br /> 10 rr (Grades with some course sand) <br /> #i 00 K 15 <br /> t, p <br /> 00 5 <br /> 12 •rS L 11 (Grades finer sand) <br /> o ° <br /> M Brown silty sand <br /> r� <br /> 14 lff rr (Medium dense, wet, no product odor) <br /> {Fr �� S <br /> 1 ru <br /> s rr <br /> 16 's► <br /> 18 `'u : Brown 311ty fine to course gravel with medium grained sand <br /> �'' �'� N 0 (Wet, medium dense, no product odor) <br /> GM <br /> 1 20 "; _ 2 (Grades leas silty) <br /> r- 0 (Grades less sandy) <br /> 22 00 fin r, Brown gravelly sand <br /> P 4 ' ' ' (Well graded, medium dense, wet, no product odor) <br /> 2 ,Sw <br /> 24 1 End of boring. installed monito ring well <br /> Iha REV • Price aj_ <br />