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❑❑® GROUNDWATli U <br /> ❑❑❑ TECHNOIAGY,INC, _4 D <br /> Monitoring WeIIOW Drilling Log <br /> ~-oject PG & E / TRACY Owner PACIFIC GAS do ELECTRIC CO. Sketch Map <br /> 6cation 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 /> z Screen: Dlo. 2 IN Length 20 FT Slot Size •010 IN <br /> Casing: Dlo. 2 IN Length 5 FT Tape PVC <br /> Drilling Company SIERRA PACIFIC Drilling Method HOLLOW STEM AUGER <br /> [Driller BEN HUNT Log by C. DeSOC10 Notes <br /> Geologist / Engineer—_ License No. <br /> g Description/Soil Classification <br /> (Color,Texture,Structures) <br /> L0 3 Inch asphalt over 9 Inch base course <br /> .o • <br /> A11 <br /> L Dark brown silty clay with minor sand <br /> 2 (Medium stiff, slightly moist. no product odor) <br /> ° B <br /> C (Grades lighter brown and mottled light brown) <br /> L4 ::: ..: D <br /> rrr. 00 E (Grades to clayey silt) <br /> n. Light brown clayey silt with minor sand <br /> fi (Soft, wet, no product odor) <br /> G <br /> "• ML Encountered water 12/22/87 (1105 hours) <br /> �t <br /> :� o•o I 4 <br /> 8 (Grades darker brown) <br /> fl o.o J 1 <br /> 10- <br /> 0.0 K (Grades with some course sand) <br /> 12 '" 0.0 L �; (Grades finer sand) <br /> 1 <br /> 0.0 M Brown silty sand <br /> 14- (Medium dense, wet, no product odor) <br /> f� <br /> 1 fi '3 <br /> ! 7t' <br /> Jtl <br /> tt tt' <br /> 18 ``► ftr Brown silty fine to course gravel with medium grained sand <br /> �t ttr <br /> i' 0.0 N 0 GM (Wet, medium dense, no product odor) <br /> 20 'f (Grades less silty) <br /> fir <br /> 19.0 0 El <br /> (Grades less sandy) <br /> L22 0.0ifrt .r�nr Brown gravelly sand <br /> f P � s: (Well graded. medium dense. wet, no product odor) <br /> 2 ::fSW :. <br /> 24 1 End of boring, installed monitoring well <br /> I/M REV. 8 page�C ' <br />