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Advanced ._ <br /> `,BORING LOG <br /> _ GeoEnvironmental Inc. <br /> BOREHOLE NO.: B-17 <br /> . -: 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 201 <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 /> Project No.: AGE-NC-05-1282 Reviewed By: Calvin Lee <br /> Date(s) Drilled: 08 August 2005 <br /> Notes: Drilled to water a Water level during drilling Page 1 of 1 <br /> = 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 to black-brown,moist,SILTY CLAY,moderate consistency,plasticity and <br /> -5 B-17-5 3 toughness,light grease-like hydrocarbon(HC)odor <br /> CL:Brown,dry to damp,SILTY CLAY,moderate to high consistency,crumbly,no HC <br /> -10 B-17-10 0 odor <br /> 4 <br /> ML:Brown to gray,moist,SANDY SILT, 15%very fine sand,moderate consistency, <br /> -15 B-17-15 0 moderate plasticity and toughness,light grease-like HC odor <br /> CL:Gray to brown,moist to very moist,SILTY CLAY, 15%silt,high consistency, <br /> -20— B-17-20 0 moderate to high plasticity and toughness,possible HC odor <br />