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' �aitiv vt�t1 rrtil�n <br /> TECHNOL4GY,INC. <br /> Monitoring Well DW-3 Drilling Log <br /> troject PG fit. E / TRACY PACIFIC GAS & Sketch M—Owner ELEC'T'RIC CO. ail <br />(ocatton— TRACY,CA Project Number 203-799-8258 <br /> ate Drilled 1/4188 Total Depth of Hole 26—Diameter 10.5 IN <br /> urface Elevation Water Level Initial 9 FT 24--flour <br /> rcreen: Dla. 4 IN ength 20 FT Slot Size .020 IN <br /> asing Dia. 4 IN Length 5 FT Typer TypePVC <br /> Drilling Company SIERRA PACIFIC Drilling Method HOLLOW STEM AUGER <br />�eologist <br /> rlller LYNN PERA Log by C. DeSOCiO Notes <br /> / Engineer License No.—4-294 <br /> Description/Soil C1083i0c0tion <br /> (Calor.Texture,Structures) <br /> 0 4- inch asphalt over 8 Inch base course <br /> _ Dark brown–graylsh black silty clay with some course sand <br /> 2 and fine gravel _. <br /> o (Medium stiff, moist, no product odor) <br /> ,ti f (Grades lighter- color to brown) <br /> 4 (Grades with no sand or gravel) <br /> (Grades sandy) <br /> b Brown sandy, silty clay <br /> 5 CL (Medium stiff, moist, no product odor) <br /> A (Grade less sandy) <br /> B (Grade more. sandy) <br /> o e Encountered water 1/4/88 (1015 hours) <br />- 10 Brown sandy silt <br /> .e AAL Soft, wet, no product odor) <br /> 7 o F I �Grades, more.. sandy) <br /> 12 - G 3 Brown fine to course sand <br /> jr :SWC Well graded. loose:, wet, no product odor) <br /> 14 <br /> r �Grade3 silty) <br /> Brown silty sand <br /> o,o (Poorly sorted, medium dense,. wet, no product odor) <br /> 16 r , <br /> Brown silty, fine sandy clay <br /> 20 D.o j (Medium stiff, wet, no product odor) <br /> sJ. <br /> 22 7 <br /> 7 <br /> 24 Brown fine to coarse sand <br /> :SWCWell graded, loose, wet, no roduct odor <br /> eft Paste 1 ofd <br />