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1 <br /> I <br /> Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.: B-16 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 2551 <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 <br /> Date(s) Drilled: 08 August 2005 <br /> Notes: Drilled to water a 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:Tan gray,dry,SILTY CLAY,trace gravel,high consistency,light hydrocarbon(HC) <br /> -5 B-16-5 2 odor <br /> Q CL:Brown,damp,SILTY CLAY,moderate consistency,crumbly,no HC odor <br /> -10 B-16-10 0 <br /> CL:Tan brown,moist,SILTY CLAY,20%silt,moderate consistency,moderate <br /> -15 B-16-15 0 plasticity and toughness,possible HC odor <br /> CL:Gray brown,moist,SILTY CLAY, 15%silt,oxidations spots and white precipitate, <br /> -20— moderate B-16-20 0 consistency,crumbles,no HC odor with lenses of gray brown,saturated, <br /> SILTY SAND,40%silt,40%fine sand, 10%coarse sand, 100/6 medium sand <br /> ML:Brown,very moist,SANDY SILT,30%very fine sand,moderate consistency,does <br /> E24 0 not stay together to roll,no HC odor <br /> -25 <br />