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Advanced BORING LOG <br /> - GeoEnvironmental Inc. _ <br /> BOREHOLE NO CPT-4837 Shaw Road, Stockton, CA 95295 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 113 <br /> Project Thrifty Oil #171 Drilling Co Enviroprobe <br /> Site Location 1250 North Wilson Way Rig/Auger Type GeoProbe 5400/125" Probe Rods <br /> Stockton, California 95202 Logged By Christopher R Miller <br /> ' Reviewed By Donna Sexton <br /> Project No AGE-NC-03-1077 <br /> Date(s) Drilled 21 November 2003 <br /> ' Notes Groundwater encountered at 72 O'below surface grade sz Water level during drilling page 1 of 2 <br /> Ground water sampled Water level to completed well <br /> ' <br /> s and <br /> Sample Blows p1D Sotl USCS Clas <br /> Depth 1Q (per 6") (ppm) Symbol Sod Descnption <br /> ' to <br /> -1D � <br /> CPT-A-10 --- -- ML-CL Light brown,drv,CLAYEY SILT,No hyarocaruo-i(HQ odor,low toughness, <br /> low plant city <br /> -15 <br /> -20 <br /> CPT-4-24 --- ,--- ML-CL Ligrt-3rown,dry,CLAYEY SIL T,No HC odor, low toug-.ness, low plasticity <br /> I <br /> f <br /> +1111 <br /> -30 <br /> CPT-A-30 -- -- ML-CL Czange Drawn,slig-Nly:naist,CLAYEY SILT,No HC odor,low toughness,low <br /> -35 <br /> plasticity <br />' f! <br /> CPT-4-40 ML-CL Gray brown,slightly moist,CLAYEY SILT,HC odor,low toughness,low <br /> plasticity <br />' -45 <br /> CPT-4-50 --_ <br /> ML-CL Light Brown,moist,CLAYEY SILT,HC odor, low toughness,low to moderate <br /> plasticity <br /> 55 <br /> -60CPT-4-60 --- -- <br />' ML-CL Gray brown,moist,CLAYEY SILT,HC odor,moderate toughness, low <br /> plasticity <br /> -65 <br />