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i <br /> Advanced k ;ORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.: B6 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> j (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 351 <br /> Project: Prem Dor Drilling Co.: Enviroprobe <br /> Site Location: 433 West Scotts Avenue Rig/Auger Type: Geoprobe 5400 <br /> Stockton, California Logged By: Jo'l M. Chapman <br /> i <br /> Reviewed By: Calvin F. Lee <br /> Project No.: AGE-NC-02-0950 <br /> Date(s) Drilled: 25 July 2005 <br /> Notes: Groundwater sampled from 20'to 25'bsg. a Water level during drilling Page 1 of 1 <br /> = Water level in completed well <br /> � <br /> Depth Sample Blows PID USCS Class and <br /> ID (per 6") (pSoil pm) Symbol Soil Description <br /> 0 � <br /> -5 136-5 N/A 0 CL:Dark brown,SILTY CLAY;slightly moist,moderate plasticity,moderate consistency,no <br /> toughness,some mottling,no hydrocarbon(HC)odor. <br /> —10 136-10 N/A 0ML:Brown,CLAYEY SILT;slightly moist,low plasticity,low to moderate consistency,low <br /> toughness,appx.40%silt,no HC odor. <br /> —15 136-15 N/A 0 ML:Brown,SANDY SILT;moist,no plasticity,low consistency,no toughness,fine-to very <br /> fine-grained sand layers,sand wetter than silt,no HC odor. <br /> —20 B6-20 N/A 0 ML:Brown-gray,CLAYEY SILT;very moist to saturated,low plasticity,low consistency,no <br /> toughness,trace very fine-gained sand,>10%clay,no HC odor. <br /> i <br /> - i <br /> I <br /> —25 B6-25 N/A 0 SM:Black to brown,SILTY SAND;saturated,sand grain size increases with depth from fine <br /> to coarse,sub-angular to sub-rounded grains,silt content decreases with depth,no HC odor. <br /> I <br /> —30 B6-30 N/A 0CH:Blue-gray,CLAY;moist,moderate plasticity,high consistency,moderate toughness,no <br /> HC odor. <br /> —35 B6-35 N/A 0 CH:Blue-gray,CLAY;moist,moderate plasticity,high consistency,moderate toughness,no <br /> HC odor. <br /> I <br /> i <br />