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M 1TTELHUSER <br /> corporation PAGE _. OF -L <br /> BORING NO PROJECT NO 1745-01 PROJECT NAME UNOCAL. TRACY <br /> I BORING LOCATION 3788 TRACY BOULEVARD, TRACY CAUFORNIA ELEVATION AND DATUM 14 535 FEET MSL <br /> DATE i Tuff STARTED: DATE k TO& FIXISHM <br /> DRILLING G CACHE DRiL].I C DRILLER KYLE EM—HENS <br /> 7/9/91 916 7/8/97 9 SS <br /> I DRILLING EQUIPMENT <br /> LOGGED BY CHECKED BY <br /> COMPLETION DEPTH BEDROCK DEPTH gCrT ENCOUNTERED <br /> MM8 <br />' FIRST WATER DEPTH NO OF SAMPLES 2 <br /> DESCRIPTION U REMARKS <br /> a gig <br />' a &and fill <br /> See attached Sol samples collected using a <br /> diagram 2-1/2' OD' CaaLNlorniaFined <br /> mpdHied brae@�Wow@@ driven by a 1with <br /> 0j <br /> CLAY (CH), brown with minor tan mottling CH hammer falling 301 <br /> moist, cohesive, <br /> trace gravel and silt, <br /> no odor <br />' Becomes lighter brown at 25 foot depth <br /> 57 <br /> 13 0 <br /> X <br /> 28 <br />' -- -----.------------- <br /> -- <br /> CLAYEY SILT (ML), brown with tan mottling, ML <br /> very moist, friable, <br /> plant fibers and trace ilns gravel <br /> Is — i0 6 <br /> 11 O <br /> X 12 <br />' ------------------- — <br />' MLTY CLAY (CL), brown, CL Pulled up sugen S. waited 10 <br /> 15saturated, moderately cohesive 4 minutes, water came up <br /> 8 <br /> e <br /> 20 <br />' Borehole terminated at 21 feaL <br /> Converted to 7 monitoring well 7/9/81 <br />' 25 <br /> 30 <br /> 1 <br />