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Advanced [,,,,)RING LOG <br /> GeoEnvironmental Inc. <br /> BOREHOLE NO.: B4 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> / (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 57' <br /> Project: Prem Dor Drilling Co.: Cascade Drilling,Inc. <br /> Site, Location: 433 W Scotts Avenue Rig/Auger Type: CME-75 <br /> Stockton, California 95205 Logged By: Donna Sexton <br /> Reviewed By: Calvin F. Lee <br /> Project No.: AGE-NC-02-0950 Date(s) Drilled: 09 October 2003 <br /> Notes: Groundwater encountered at 20 feet bsg = Water level during drilling Page 1 of 2 <br /> Ground water sampled from 53 to 57 feet bsg = Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and <br /> ID (per 6") (ppm) Symbol Soil Description <br /> 0 <br /> -5 <br /> 134-5 6/8/8 0 <br /> FILL:Tan,FILL MATERIAL,well compacted,clays and silts. <br /> -10 134-10 7/7/8 0 <br /> ML:Orange Brown,CLAYEY SILT,low plasticity,low toughness,dry,no hydrocarbon(HC) <br /> odor <br /> —15 <br /> 134-15 7/8/106 0 <br /> ML:Orange Brown,CLAYEY SILT,(-10/o clay),low plasticity,moderate toughness,dry, <br /> HC odor <br /> —2& B4-20 9/9/8 15 <br /> CL:Grey Brown,SANDY CLAY,medium plasticity,low toughness,saturated,HC odor <br /> — <br /> 2.5 <br /> B4-25 8/8/8 10 <br /> SM:Blue Grey,SILTY SAND,well graded,coarse grained,saturated,HC odor <br /> —30 <br /> 134-30 9/9/10 30 <br /> SM:Blue Grey,SILTY SAND,well graded,coarse grained,saturated,HC odor <br /> —35 134-35 7/9/10 45 <br /> CL:Blue Grey,CLAY with SILT,low plasticity,low toughness,moist,slight HC odor <br /> —An <br />