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r�� GROUNDWATER <br /> 00� TECHNOLOGY,INC. <br /> Monitoring Well O� Drilling Log <br /> ' PG & E / TRACY p <br /> ��ect pyyn� PACIFIC GAS 1(c ELECTRIC CO. Sketch Mop <br /> kation TRACY,CA Project Number 203-799-8258 <br /> �Iurface <br /> ate Drilled . 12/22/8z—Total Depth of Hole 26�Diameter 10,5 IN <br /> Elevation—Water Level Initial 8—FT 24–hour <br /> LScreen: Dia._ 2 IN —Length 20 FT Slot Size •010 IN <br /> asing: Dia. 2 IN Length 5 FT Type PVC <br /> Drilling Company SIERRA PACIFIC Drilling Method HOLLOW STEM AUGER <br /> L-Jeologist <br /> BEN HUNT Log by C. DeSOC10 Notes <br /> / Engineer License No, 394 <br /> Description/Sol( Classification <br /> e (Color,Texture.Structures) <br /> 0 3 inches of asphalt over 6 inch base course <br /> , d <br /> CL Black silty clay <br /> 2 (Med€um stiff, moist, slight odor-"Lampblack [PNA]) <br /> 'q (Grades lighter color) <br /> Black silty clay <br /> � <br /> Y4 f CL (Medium stiff, moist, no product odor) <br /> , rt� <br /> Block silty clay <br /> 6 CL (Medium stiff, moist, slight odor–Lampblack [PNA]) <br /> Brown silt clay <br /> o <br /> i5 A (Medium stiff, moist, no product odor) <br /> 8 4 CL Encountered water 12/22/87 (0830 hours) <br /> Black silty clay <br /> - 10 . a o (Medium stiff, moist, slight odor--Lampblack [PNA]) <br /> P AlA Brown sandy silt <br /> (Loose, moist, no product odor) <br /> _ 12' Brown fine sandy, silty clay <br /> ;• L (Medium stiff, wet, no product odor) <br /> (Grades less sandy) <br /> :r• <br /> - 14 - Brown silty clay <br /> (Medium stiff, wet, no product odor) <br /> 0.0 G (Grades more sandy) <br /> l6 _ 6 Brown fine sandy silt <br /> ' L (Medium stiff, wet, no product odor) <br /> `� r• (Grades more sandy) <br /> j: (Grades with fine gravel) <br /> 20 `t <br /> (Grades with some clay) <br /> r., <br /> Brown silty Band with fine medium gravel <br /> 1 (Poorly sorted, medium dense, wet, no product odor) <br /> 2? t <br /> M (Grades less gravel) <br /> Brown sand r <br /> 24 .•.Sp (Well sorted. medium dense, wet, no product odor) i <br /> sae eEv. s Page 1 of <br />