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a 1 <br /> TERRA VAC CORPORATION LOG OF EXPLORATORY BORING GP-9 <br /> 1651 Alvarado Street, San Leandro, CA 94577 <br /> Page I of I <br /> 1 w <br /> G N J <br /> a x a 2 r C] <br /> C%. m MATERIALS DESCRIPTION <br /> CL m <br /> m ca (n vi <br /> s♦ <br /> ;p FILL <br /> m�p <br /> 14 <br /> CL <br /> 5 CLAY, silt (15-20%). very dark gray OOYR3/1), damp, very <br /> N/A GP9-6.0 plastic <br /> GP9-7.0 <br /> 3.0 <br /> 10 <br /> N/A GP9-11,0 AS above, very dark brown MYR4/4) <br /> 3.1 <br /> ML <br /> SILT, clay (5-t0%), dark greenish gray (4/10Y), (lamp <br /> NIA GP9-15.0 15 AS abve, wet <br /> 1.3 <br /> i <br /> N/A GP9-18.0 CL � ^ � — � � ^ - - ^'' � — � ` —"' <br /> CLAY, Silt (15-20%), dark greenish gray (4/10Y), moist,plastic, <br /> GP9-t9.O product odor <br /> I <br /> 167.2 20- <br /> N/A <br /> 0N/A GP9-23.0 AS above, moist <br /> 416,7 <br /> 25 t <br /> } <br /> Bottom of boring at 24 feet. j <br /> i <br /> I <br /> 30 <br /> F <br /> PROJECT Chevron SS #9-4054 <br /> DRILLING COMPANY Kvilhaug Well Drilling <br /> LOCATION 2103 Country Club Blvd., Stockton DATE DRILLED September 29, 1997 <br /> JOB NUMBER 30-0212 SURFACE ELEVATION Not Surveyed <br /> GEOLOGIST Clitf M. Garratt TOTAL DEPTH OF HOLE 24 Feet ' <br /> GRILL RIG 1.75"0 Geoorobe FIRST OBSERVED GW 16 Feet <br />