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livh% <br />.. , <br />,, <br />zr <br />Advanced <br />GeoEnvironmental, Inc. <br />837 Shaw Road, Stockton, CA 95215 <br />(209) 467-1006 FAX: (209) 467-1118 <br />TORING LOG <br />BOREHOLE NO.: VW-2 <br />TOTAL DEPTH: 35/ <br />Project: <br />Site Location: <br />Project No.: <br />Ocampo Property <br />821 South Wilson Way <br />Stockton <br />California <br />AGE-NC-02-0926 <br />Drilling Co.: Cascade Drilling, Inc. <br />Rig/Auger Type: LAR/10 inch hollow stem augers <br />Logged By: M.Carranza <br />Reviewed By: W. Little <br />Date(s) Drilled: 06-26-08 <br />Notes: soil sampled every 5 feet <br />comp eted as a 2-inch diameter vapor extraction well. <br />= Water Level Before Drilling <br />m Water Level After Drilling <br />Depth Sample <br />ID <br />Blows <br />(per 6") <br />PID <br />(ppm) <br />Soil <br />Symbol <br />USCS Class and <br />Soil Description <br />Well <br />Completion <br />Well <br />Description <br />VW2-5 <br />VW2-10 <br />VW2-15 <br />VW2-25 _ <br />_ <br />- 'VW2-20 <br />_ <br />VW2-30 <br />- <br />_ <br />- VW2-35 <br />_ <br />6/21/28 <br />5/9/19 <br />7/25/41 <br />4/10/21 <br />6/12/18 <br />4/11/14 <br />4/8/14 <br />0 <br />3.6 <br />1.9 <br />0 <br />0 <br />0 <br />0 <br />Well cover <br />Water tight, locking well <br />cap. <br />Cement grout seal from <br />Ito 6 feet bsg <br />Bentonite seal from <br />6 to 8 feet bsg <br />Coarse aquarium gravel <br />from 8 to 35 feet bsg. <br />0.030" screened interval <br />from 10 to 35 feet bsg. <br />Well plug at 35' <br />r •• <br />M ME <br />lII1;1 1 <br />, <br />ML: Red-brown with grey streaks,dry to damp, Silt, low <br />consistency, low plasticity, low toughness. No <br />\ hydrocarbon (HC). / <br />Ink CL: Dark yellow-brown, damp, Clay, moderate <br />plasticity and toughness, no HC odor. / <br />CL: Dark brown with grey streaks, damp, Clay, high <br />plasticity, high toughness, no HC odor. <br />/ <br />1111111 ML: Dark brown with grey streaks, damp, Silt, low <br />\ plasticity, low toughness, no HC odor. <br />/ <br />gill\ <br />CL: Dark brown, damp, Clay, high plasticity and <br />toughness, strong HC odor / <br />CL: 1st sleeve: light grey with rust deposits, damp to <br />moist, Clay, high plasticity and toughness, no HC odor. <br />wn, Silt, damp to moist, high plasticity 2nd sleeve: Brown, <br />and toughness, no HC odor. <br />' <br />CL: Grey-brown, damp, Clay, moderate plasticity, low <br />toughness, no HC odor. <br />/ <br />0 <br />-5 <br />10 <br />15 — <br />20 — <br />25 <br />-30 <br />-35