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Advanced BORING LOG <br />' .r GeoEnvironmental, Inc. BOREHOLE NO MW-8 <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 25' <br />' Project Guardino and Crawford Drilling Co Mitchell Drilling Environmental <br /> Site Location 517 West Fremont Street Rig/Auger Type CME-75HT <br />' Stockton, California Logged By Daniel Kalmbach <br /> Reviewed By Calvin Lee <br />' Project No AGE-NC-95-0167 Date(s) Drilled 20 September 2004 <br /> Notes s Water level during drilling Page 1 of 1 <br />' = 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 /> Neat cement from 1'to <br />' -- 6'bsg <br /> _ SILT Brown,SILT,dry,high consistency,no <br /> MW8-5 1415016 0 = hydrocarbon(HC)odor <br />' Bentonite chip seal from <br /> 6'to8'bsg <br /> t = SILT Brown to reddish brown,SILT with plastic <br /> - 0 MW8-10 13/24/40 0 _ fines,damp,high consistency,no HC odor <br /> 1 <br /> SANDY SILT Brown,SANDY SILT,moist,high 43 Lonestar sand filter <br /> -15 <br /> MW8-15 9/17/25 0 consistency,cemented in places,no HC odor pack from 8'to 25'bsg <br /> — —_ SILTY SAND Brown,SILTY SAND with some <br /> ' 67 <br /> MW8-20 gn1l4 0 _ — plastic fines,saturated,low consistency,no HC odor <br /> — — SAND AND SILT Gray to brown,SAND WITH <br /> -25 — SILT,coarse-grained,sub-rounded pebbles to 114", Cap at 25'bsg <br /> ' MW8-25 519114 0 — grain size increases with depth,no HC odor <br /> ' -30 <br /> 1 <br />