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Advanced BORING LOG <br /> GeoEnvironmental, Inc. <br /> BOREHOLE NO MW-6 <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> �J <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 35' <br /> Project Vanco Truck&Auto Plaza Drilling Co Mitchell Drilling Environmental <br /> Site Location 1033 West Charter Way Rig/Auger Type CME-75/8-Inch HSA <br /> Stockton, California Logged By Jo'l M Chapman <br /> Reviewed By Calvin Lee <br /> Project No AGE-NC-02-0962 <br /> Date(s) Drilled 29 July 2005 <br /> Notes s Water level during drilling Page 1 of 1 <br /> = Water level in completed well <br /> Depth Sample Blows PID Sod USCS Class and Well Well <br /> ID /ft (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> -5 MW6-5 3/7/13 0 UPPER BACKFILL Black FILL MATERIAL <br /> moist,some gravel,no hydrocarbon(HC)odor <br /> ML Brown CLAYEY SILT,moist,low plasticity, Portland neat cement <br /> low consistency low toughness,some gravel,no HC from 0 5'to 1 l'bsg <br /> odor <br /> 0 MW6-10 5/5/7 0 ML Brown,CLAYEY SIL 1 moist low plasticity <br /> low consistency,low toughness,some gravel no HC <br /> odor Bentonite seal from 11 <br /> to 13' bsg <br /> -15 MW6 15 4/6/9 0 ML Brown,CLAYEY SILT,moist,low plasticity <br /> low consistency,low toughness,some gravel,no HC <br /> odor <br /> Z <br /> -20— MW6-20 415/7 0 ML Brown,SANDY SILT,very moist,low <br /> plasticity low consistency low toughness, #3 sand from 13'to 35' <br /> fine-grained,no HC odor bsg <br /> 52- <br /> -25— MW6-25 6/7/9 0 ML Brown,SANDY SILT,saturated,low plasticity, <br /> low consistency low toughness fine grained,no HC 0 010"slotted screen <br /> odor from 15'to 35'bsg <br /> -30— MW6 30 5/517 12 SM Gray SILTY SAND saturated low plasticity <br /> low consistency low toughness,very fine-grained <br /> sand,slight HC odor <br /> -35— MW6-35 617/9 1 SP Gray SAND saturated,poorly graded, End cap at 35'bsg <br /> fine-grained,micaceous slight HC odor <br /> -40 <br />