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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.: B3 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: -501 <br /> Project: Rishwain Properties Drilling Co.: Enviroprobe <br /> Site Location: 48 N.Wilson Way Rig/Auger Type: GeoProbe 5400/1.25" Probe Rods <br /> Stockton, California 95205 Logged By: Donna Sexton <br /> Reviewed By: Calvin F. Lee <br /> Project No.: AGE-NC-03-1035 Date(s) Drilled: 20 June 2003 <br /> Notes: Groundwater encountered at 42 feet b.s.g 4 Water level during drilling Page 1 of 2 <br /> Ground water sampled = Water level in completed well <br /> Sample Blows PID Soil USCS Class and <br /> Depth ID (per 6") (ppm) Symbol Soil Description <br /> I0 <br /> I <br /> _5 \ CL-ML:Reddish-brown to yellow-brown SILTY CLAY; dry to damp,low toughness <br /> 133-5 --- 0 and plasticity,no hydrocarbon(HC)odor. <br /> -10 CUML:Reddish-brown to yellow-brown SILTY CLAY/CLAYEY SILT WITH SAND; <br /> B3-10 --- 0 -20%sand,40%silt,40%clay.Dry to damp,low toughness and plasticity,no HC odor. <br /> i <br /> r I <br /> I <br /> -15--l.B3-15 I--- 0 ML:Dark Reddish-brown,CLAYEY SILT with medium to pebbly sand,well graded, <br /> low plasticity,low toughness,dry,no HC odor <br /> ML:Dark yellowish-brown grades to yellow-brown SILT grading to FINE SAND;no <br /> - <br /> 20— B3-20 --- 0 plasticity,low toughness,dry,no HC odor. <br /> ML:Yellowish-brown,CLAYEY SILT with lenses of of clean silt,very low plasticity, <br /> -25— 133-25 -- 0 low toughness,no HC odor <br />