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Advanced BORING LOG <br /> a GeoEnvironmental, Inc. BOREHOLE NO MW-12 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209) 467-1118 TOTAL DEPTH 150 FT. <br /> Project FLAG CITY CHEVRON Drilling Co WEST HAZ MAT DRILLING <br /> Site Location 6421 CAPITOL AVENUE Rig/Auger Type B-9518-INCH H S <br /> LODI Logged By T CUELLAR <br /> CALIFORNIA Reviewed By N HENDERSON <br /> Project No AGE-NC-96-0232 Date(s) Drilled 05 MAY 2000 <br /> Notes Boring terminated at 150 ft bsg,no soil samples collected. sz Water level during drilling page 1 of 3 <br /> Boring completed as multi-Ievel monitoring well MW-12 = Water level in completed well <br /> Sample Blows PID Soil USCS Class and <br /> Well <br /> Well <br /> Depth CompI <br /> ID (per 6") ppm) Symbol Soil Description <br /> A B Description <br /> ® Well cover,water- <br /> tight,locking cap <br /> Cement grout seal <br /> 1 -5ft <br /> –5 <br /> Bentonite Seal 5-8 ft <br /> –10 <br /> 42/12 sand 8-20 ft <br /> –15— <br /> Screened interval <br /> 10-20ft <br /> –20- <br /> -25- <br /> 20-25 NIA No soil sample collected <br /> MW 12-25 -- --- <br /> 4 <br /> -30 <br /> -35 <br /> Bentonite Seal 20-38 ft <br /> –40— #P2/12 sand 38-50 ft <br /> –45— Screened interval <br /> 40-50ft <br />