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M ITTELHAUSER <br /> corporation PAGE DF �_ <br /> BORING "Cl "-3 PROJECT NO 1745-01 PROJECT NAME UNOCAL TRACY <br />' BORING LOCATION 3788 TRACY BOULEVARD TRACY CALIFORNIA ELEVATION AND DATUM 1.5.77 SL <br /> LATE A TIME STARTED DATE L TIME FINISHED, <br /> DRILLING AGENCY CACHE CREEK DRILUNG MILLER- KYLESTEPHENS <br />' 7/9/91 1144 7/9/91 13 55 <br /> DRILLING EQUIPMENT pA3 go jr HmW—M <br /> COMPLETION DEPTH BEDROCK DEPTH LOGGED BY CHECKED BY <br /> MUB <br />' FIRST WATER DEPTH 14 0 FEET NO OF SAMPLES 3 <br /> DESCRIPTION Il REMARKS <br />' Asphalt, 1 brown send All <br /> See attached Sat samples collected using o <br /> SILTY CLAY (CH), dark gray with brown mottling, CH diagram continuous spilt—barrel sampler <br /> moist plastla, acheshro, <br /> slight odor <br /> I 5 <br /> 0 <br /> SILTY CLAY (CL) dark gray mottled .with brown CL <br /> 10 roost, moderotaly cohesive, <br /> plant fibers <br /> no odor 5 <br />' At 131 becomes light brawn with brawn mottling <br /> I 15 CLAYEY VERY FINE SAND (SC) brown, SC <br /> saturated, 4. <br />' SILTY CLAY (CL) brown CL Pulled up augers 5', waited 45 <br /> saturated, moderately eohestve minutes, water came up 3' <br />' 20 <br />' Eorehole terminated at 21 feaL <br /> Converted to 2" monitoring well 7/9/91 <br />' 25 <br />