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Advanced BORING LOG <br /> - GeoEnvironmental, Inc. <br /> � BOREHOLE NO MW-5 <br /> 4005 North Wilson Way, Stockton, CA 95205 <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-7518-Inch HSA <br /> Stockton,California Logged By Jo'l M Chapman <br /> Reviewed By Calvtn Lee <br /> Project No AGE-NC-02-0962 Date(s) Drilled 29 July 2005 <br /> Notes s Water level during drilling <br /> Page 1 of 1 <br /> ar Water level in completed well <br /> Depth Sample Slows PID Soil USCS Class and Well Weil <br /> ID i ft (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> -5 MW5-5 619110 0 ML Brown CLAYEY SILT slightly moist low <br /> plasticity high consistency low toughness no <br /> hydrocarbon(HC)odor Portland neat cement <br /> from 0 5 to 11'bsg <br /> 0 MW5-10 516!7 0 ML Brown,CLAYEY SIL I slightly moist low <br /> plasticity,high consistency low toughness some HC <br /> staining and white mottling,HC odor Bentonite seal from I i' <br /> to 13' bsg <br /> -25 MW5-15 416!7 0 ML Brown,CLAYEY SILT,moist,tow plasticity <br /> high consistency,low toughness,trace very fine sand <br /> some HC staining and white mottling HC odor <br /> Z <br /> -20— MW5-20 414/6 0 ML Brown,SANDY SILT,very moist,low <br /> plasticity low consistency low toughness,well #3 sand from 13'to 35' <br /> graded,fine-grained,no HC odor bsg <br /> Q <br /> -25 MW5-25 416/11 0 ML Brown,CLAYEY SILT,saturated low <br /> plasticity high consistency low toughness,some HC 0 010"slotted screen <br /> staining,slight HC odor from 15'to 35'bsg <br /> CL Gray brown,CLAY,moist,high plasticity=high7j <br /> consistency moderate toughness,no HC odor <br /> -30— MW5-30 617111 0 CL Gray brown,CLAY saturated,high plasticity, <br /> high consistency,moderate toughness,no HC odor <br /> SM Gray,SILTY SAND,saturated,low plasticity, <br /> low consistency low toughness well graded,fine-to <br /> medium-grained,no HC odor <br /> CL Gray brown,CLAY saturated,high plasticity <br /> -35— MW5-35 617114 0 high consistency moderate toughness no HC odor End cap at 35'bsg <br /> 0-40— SP Gray SAND saturated,poorly graded, <br /> fine grained,micaceous,no HC odor <br />