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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO CPT-3 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 120 <br />' Project Thrifty Oil #171 Drilling Co Enviroprobe <br /> Site Location 1250 North Wilson Way Rig/Auger Type GeoProbe 5400/1 25" Probe Rods <br />' Stockton, California 95202 Logged By Christopher R Miller <br /> Reviewed By Donna Sexton <br />' Project No AGE-NC-03-1077 Date(s) Drilled 21 November 2003 <br /> Notes Ground water encountered at 72 0'below surface grade Q Water level during drilling Page 1 of 2 <br />' Ground water sampled Water level in completed well <br /> Sample Blows PID Sod USCS Class and <br /> Depth ID (per 6") (ppm) Symbol Soil Description <br /> 1 <br /> 0 <br />' -5 <br /> -101 CPT-3-10 --- -- no CL Dark�gray,dry to moist,CLAY,No hydrocarbon(HC)odor,high consistency,high <br /> toughness,moderate to high piashcity <br /> 15 <br />' <br /> -20- <br /> - CPT-3-20 --- --- SM Orange brown,dry,60%very fine grained,poor]y graded, SILTY SAND,No HC <br /> odor,low tougtiness,low plasticity <br />' 25- <br /> -30- <br /> - <br /> 0 CPT-3-30 --- --- ML-CL Orange brown,dry,CLAYEY SILT,No HC odor,low consistency,love <br /> toughness,law plasticity <br /> -35 <br /> 1 <br /> -40 CPT-3-40 --- -- ML-CL Orange brown,dry,CLAYEY SILT,No HC odor,low consistency,low <br />' - toughness,low plasticity <br /> -45 <br /> i <br /> i <br /> -50 <br /> CPT-3-50 -- --- ML-CL Brown,moist,CLAYEY SILT,No HC odor, low consistency,low toughness, <br /> I'I <br /> moderate plasticity f <br /> ' - <br /> 60 <br /> CPT-3-6o - --- ML-CL Brown,dry,CLAYEY SILT,No definite HC odor,low to moderate consistency, <br /> low toughness,low plasticity <br /> ' -65 <br /> I <br />