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Advanced BORING LOG <br /> _ GeoEnvironmental, Inc. BOREHOLE NO.:MW-4 <br /> ;- <br /> =: :1 r.. 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 341 <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: sz Water Level Before Drilling page 1 of 1 <br /> ate Water Level After Drilling <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> IVA <br /> 0100 <br /> - MW4-5 7!13117 1 ML.:Brown.CLAYEY SILT;moist,low plasticity,high conmstenc}, Portland neat cement <br /> low toughness,no hydrocarbon[ICC)odor_ <br /> tYom 0.5'to 10'bsg. <br /> ML:Brown,CLAYEY SILT;moist,low plasticity,high consistency, <br /> low to114, No <br /> ughness,some EiC staining and white mottling,FIC txior. <br /> -z MW4-10 4i519 36 <br /> Benwnttr sell from <br /> 10'to 12' bsg. <br /> - MW4-I5 4!6!10 ' ML: Brown,CLAYEY SIL!':moist,low plasticity,high consistency, <br /> low iougltness,some I IC staining and white mottling,FIC odor. <br /> "3 sand!loin 1 2'to <br /> _20 MW4-30 5!7110 l ML:Brown,CLAYEY SILT;moist,low plasticity,high consistency, 34'bsg. <br /> low toughness,some 1147 staining,slight HC odor- <br /> 0.010"slotted screen <br /> 5 MW4-25 519114 1 ML Brown,CLAYEY 511.T;saturated,low plasticity,high littnn 14'to 34'15s& <br /> cortsute.ncy,low toughness,Borne FIC staining,slight Hf-odor. <br /> _ 0 MW4-30 617?10 1 SM:Brown,SIL f Y SANDY saturated,low plasticity.low consistency. <br /> low toughness,very tine-grained sand,some HC staining,11C odor. <br /> -? 1ti9W4-3] 3%tii8 Y �- End cap at 34'bsg. <br /> SI Gray,SAND;saturated,poorly graded,fine-grained,mrcacenus, <br /> strong IIC odor. <br />