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Advanced BORING LOG <br /> GeoEnvironmental Inc. <br /> � BOREHOLE NO MW_17 <br /> F. 837 Shaw Road, Stockton, CA 95215 <br /> (209) 467-1006 FAX (209) 467-1118 TOTAL DEPTH 60 ft. <br /> Project Flag City Chevron Drilling Co West HazMat Drilling <br /> Site Location 6421 Capitol Avenue Rig/Auger Type CME 75 / 8" hollow stem <br /> Stockton Logged By T Cuellar <br /> California Reviewed By N Henderson <br /> Project No AGE-NC-96-0232 <br /> Date(s) Drilled 09 October 2002 <br /> Notes Bormg terminated at 60 ft bsg,no soil samples collected s Water level during drilling page 1 of 2 <br /> Boring single-completed as 2" diam monitoring well MW-17 = Water level in completed well <br /> Sample Blows PID Soil USCS Class andWell Well <br /> Depth Completion <br /> ID (per 6") (ppm) Symbol Sod Description A B Description <br /> I <br /> 0 <br /> Well cover <br /> Water tight,locking <br /> well cap <br /> –5 <br /> 10� MW17-10 NIA No sample collected <br /> -15- <br /> -20— <br /> 15-20 MW 17-20 NIA No sample collected <br /> –25- <br /> -30— <br /> 25-30 MW 17-30 NIA No sample collected ® Cement grout seal from 1' <br /> to 35'bsg <br /> –35— <br /> Bentonite seal from 35'to <br /> 38' bsg <br /> 40— MW17-40 _ N/A No sample collected #3 sand from 38'to 60' <br /> bsg <br /> -45 <br />