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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.: B-10 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 17.55' <br /> Project: Newark Sierra Drilling Co.: Enviroprobe <br /> Site Location: 800 West Church Street Rig/Auger Type: Geoprobe 5400 <br /> Stockton,California Logged By: Eyrene L.Fisher <br /> Reviewed By: Calvin Lee <br /> Project No.: AGE-NC-05-1282 <br /> Date(s) Drilled: OS August 2005 <br /> Notes: Refusal at 17.5;no water sz Water level during drilling Page 1 of 1 <br /> sr Water level in completed well <br /> Sample Blows PID Soil USCS Class and <br /> Depth ID (per 6") (ppm) Symbol Soil Description <br /> 0 <br /> CL:Dark brown(almost black),moist,CLAY,moderate to high consistency,moderate <br /> -5 B-10.5 0 plasticity and toughness,no hydrocarbon(HC)odor <br /> CL:Brown,moist,SILTY CLAY,20%silt,moderate consistency,crumbly,no HC odor <br /> -10 B-10-10 0 <br /> ML:Green brown,moist to very moist,CLAYEY SILT,20°/.clay,low to moderate <br /> -15 consistency,low plasticity and toughness,no HC odor <br /> B-10.15 0 <br /> ML:Green brown,moist to very moist,SANDY SILT,20°/.sand low consistency,low <br /> plasticity and toughness,no HC odor <br /> 0 ML:Bag sample only:Brown,moist,CLAYEY SILT,moderate consistency,crumbly,no <br /> HC odor <br />