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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO EW-3 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209) 467-1006 FAX (209) 467-1118 TOTAL DEPTH 501 <br /> Project FLAG CITY CHEVRON Drilling Co WEST HAZ MAT DRILLING <br /> Site Location 6421 CAPITOL AVENUE Rig/Auger Type B-85110 25-INCH H S <br /> LODI Logged By T CUELLAR <br /> CALIFORNIA <br /> Reviewed By N HENDERSON <br /> Project No AGE-NC-96-0232 Date(s) Drilled 07/17/00 <br /> Notes Total depth of boring EW-3 equal to 50 feet bsg,boring sz Water level during drilling Page 1 of 2 <br /> completed as 4-inch diameter ground water extraction well !r Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID /ft (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> Well cover,water- <br /> tight,locking cap <br /> -5 <br /> -10 <br /> 1 Cement grout seal from 1' <br /> to 35'bsg <br /> -20- <br /> -25- <br /> -30- <br /> -35- <br /> 20--25-30-35 <br /> Bentonite seal from 35'to <br /> 37 5' bsg <br /> -40- <br /> 43 sand from 37 5'to 50' <br /> bsg <br /> -45 <br /> Screened interval from 40' <br /> to 50'bsg <br /> –50— Well plug at 50' <br />