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' Advanced <br /> BORING LOG <br /> GeoEnvironmental Inc. <br /> r� � BOREHOLE NO MW-9 <br /> f 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 35 Feet <br /> Project Bob's Muffler Shop Drilling Co West Haz-Mat Drilling Corp <br /> Site Location 466 Moffat Boulevard Rig/Auger Type CME-75HT/8"Dia Hollow Stem Augers <br /> Manteca, California Logged By C F Lee <br /> Reviewed By B W Millman <br /> Project No AGE-NC-98-0520 Date(s) Dulled 10/30/01 <br /> Notes = Water level during drilling <br /> Page 1 of 2 <br /> m Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 Well cover/ensty box <br /> I -5 <br /> MW-9-5' 9/11/12 0 —_ SM Orange brown,moist,unconsolidated fine sand Cement grout seal from <br /> with silt No hydrocarbon(HC)odor 0 5 to 11'bsg <br /> I -10 MW-9-10' 11/12/18 0 <br /> SP Light orange,moist,unconsolidated medium sand <br /> Bentonite seal from 11 <br /> to 13' bsg <br /> -15 MW-9-15' 13/14/22 0 — <br /> — ML1SM Olive green,moist,sandy silt/silty sand with <br /> clay(<10%)and abundant micas,low toughness and <br /> plasticiTy No HC odor <br /> -20— <br /> MW-9-20' 17/19/21 72 — #3 sand from 13 to 35' <br /> MIJSM Same as above Strong HC odor <br /> bsg <br /> -2-9— <br /> MW-9-25' -- 0 <br /> -7---7----:- <br /> MUSM Same as above Strong HC odor Screen interval from 15 <br /> —_— to 35'bsg,0 020-inch <br /> slots <br /> -30— <br /> MW-9-30' 28/39/50 0 <br /> I SF Light olive green,moist,unconsolidated fine to <br /> medium sand Slight HC odor <br /> CL Olive green,moist,stiff silty clay,30%silt, <br /> I moderate to high toughness and low plasticity Faint <br /> HC odor <br /> - <br /> 35— MW-9_35' 19/23/29 0 End cap at 35' <br /> SP Olive green,saturated,unconsolidated medium <br /> sand with mud(<10%) Faint HC odor <br />