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1 <br /> M ITTELHA USER <br /> corporction PAGE 1 OF 1 <br /> ORING NO ACS-2 PROSECT NO 216801-001 PROJECT NAME UNOCAL TRACY <br /> BORING LOCATION 25 N AND 109 E OF SW CORNER OF SITE ELEVATION AND DATUM <br /> DATE & TIME STARTED DATE & TIME FINISHED <br /> DRILLING AGENCY BEYLIK DRILLING DRILLER RICHARD 02-03-95 02-03-95 <br /> 15:55 16=25 <br /> ' DRILLING EQUIPMENT MOBILE B-fit <br /> LOGGED BY CHECKED BY <br /> COMPLETION DEPTH 10 5 BGS BEDROCK DEPTH NOT ENCOUNTERED <br /> RWP RJM <br /> ' FIRST WATER DEPTH 8-8 5 BGS NO OF SAMPLES 2 <br /> z <br /> DESCRIPTION 2z SAMPLE a REMARKS <br /> W O ID <br /> SANDY GRAVEL Light grayish brown, most GW Hand augered to 4' bgs <br /> Borehole drilled using 8' <br /> DD hollow-stem augers <br /> SAND Light yellowish brown, moist, well sorted SP <br /> No Petroleum Hydrocarbon (PHC) odor Relatively undisturbed <br /> samples collected with a <br /> 2 1/2' California modified <br /> SILTY CLAY dark grayish brown, moist, plastic CH spLt spoon sampler [.ned <br /> No PHC odor with brass tubes driven <br /> ACS-2 at 50 by a 140# hammer falling <br /> 5 CLAYEY SILT Light yellowish brown, moist, very CL 8 30' <br /> stiff-hard, with some macropores, slightly <br /> ' plastic, with some very fine grained sand 12 10 <br /> No PHC odor 14 <br /> Color change at 7' to light grayish brown <br /> CLAYEYFINE SANDY SILT lght grayish brown, CL <br /> moist very stiff-hard, slightly plastic, 4 <br /> sand very fine grained ACS-2 at 10 0' 12 1 <br /> 1D No PHC odor 14 <br /> ' Boring terminated at 105 <br /> 15 <br /> 20 <br /> I <br /> 1 I <br />' 25 <br /> 30 <br /> 02/13/95 2168B103DWG <br />