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i <br /> Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.: B-4 <br /> if 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 <br /> TOTAL DEPTH: 20' <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 Date(s) Drilled: 03 August 2005 <br /> Notes: Drilled to water s Water level during drilling Page 1 of 1 <br /> m 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:Brown,moist,SILTY CLAY,low consistency,plasticity and toughness,no <br /> -5 B-4 5 0 hydrocarbon(HC)odor <br /> CL:Brown,moist,SILTY CLAY,tmce gravel,low consistency,plasticity and toughness, <br /> -10 84-10 0 no HC odor <br /> ML:Gray blue,very moist,CLAYEY SILT,trace gravel,white precipitate,low <br /> -15 B4-15 0 consistency,plasticity and toughness,no HC odor <br /> SzCL:Gray blue,moist,SILTY CLAY,white precipitate,moderate consistency,low <br /> -20- B-4-20 0 plasticity and toughness,no HC odor <br />