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i <br /> /Vl ITTELHA U SER <br /> corporation PACE <br /> NO MW-1 PROJECT NO 1745-01 PROJECT NAME UNOCAL TRACY <br /> I BORING LOCATION 3788 TRACY BOULEVARD TRACY CALIFORNIA ELEVATION AND DATUM <br /> DATE & AME STARTED' DATE & TIME FINISHES <br /> DRILLING AG9NCY CACHE GREEK DRILI-ING DRILLER HEN <br />' 7/8/91 929 7/8/91 10 32 <br /> DRILLING EQUIPMENT — <br /> COMPLETION DEPTH BEDROCK DEPTH LOGGED 8Y CHECKED BY <br /> 61MB <br /> IFIRST WATER DEPTH F P 2 <br /> Q DESCRIPTION L;z i REMARKS <br /> Asphalt <br /> SAND (SC) fill brown Sc See attached Soil samples collected using a <br /> dlagrom 2-1/2' OD Callfamio modified <br /> molal <br /> ———— —————T——' T spot—spoon sampler tined with <br /> brass sleeves driven by a 1405 <br /> hammer falling 30' <br /> SILTY CLAY (CH], brown with light brown mottftng, CH <br /> 5 damp cohele <br /> trace very fine gravel and shall fragments 8 <br /> No petroieum hydrocarbon (PMC) odor 15 34 <br /> X 22 <br /> ---w...._—.....--.—.----- -- — <br /> CLAYEY SILT (ML) brown ML <br /> wet moderately acheolve, <br /> saturated at 11 2 8 8 <br /> X No PHC odor Y 95 <br /> I <br /> I 15 5 <br /> 8 <br /> 9 <br /> Pulled up augers 5' waited 10 <br /> minutes water coma up 2" <br /> 20 <br /> Borehole terminated at 21 feet. <br /> Converted to 2✓ monitoring well 7/8/91 <br /> 25 <br />