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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO. : MW-9 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209) 467-1006 FAX: (209) 467-1118 TOTAL DEPTH : 701 <br /> Project: Stallworth Auto Sales Date(s) Drilled: 13 March 2008 <br /> Project No. : AGE-NC-99-0682 Page 2 of 2 <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") <br /> (ppm) Symbol Soil Description Completion Description <br /> PAI <br /> FA F <br /> PA <br /> - 50 MW9-50 10-10- 14 7,p CL: SILTY CLAY: brown-gray, moderate plasticity, <br /> low toughness, approximately 30-40% silt, moist, <br /> hydrocarbon (HL) odor. / <br /> 001 <br /> CL: SILTY CLAY: brown-gray, moderate plasticity, <br /> — 55 MW9-55 8-10-15 FOR <br /> 10.2 may . p ty <br /> low [oaghness, approximately 30-40% silt, moist, HC Bentonite seal from 55' to <br /> odor. 58' bag <br /> CL: CLAY: gray, with approximately 20% fine grain <br /> — 60 MW9-60 9-10-16 5.0 sand and 30% silt, moderate plasticity, low toughness, #3 sand from 58' to 70' <br /> very moist to saturated, HC odor. bsg <br /> - 65 MW9-65 14-25-30 0 <br /> CL: CLAY: gray, with approximately 20% fine grain <br /> sand and 30% silt, moderate. plasticity, low toughness, Screen 0.01 " interval <br /> very moist to saturated, HC odor. from 60' to 70' bsg <br /> SM: SAND: gray, fine and medium grain, moderately <br /> graded, approximately 30% silt and some clay, <br /> — 70 MW9-70 13-25-37 0 sahuated, no HC odor, Cap at 70' <br /> SM: SAND: gray, fine and medium grain, moderately <br /> graded, approximately 30% silt and some clay, <br /> saturated, no HC odor. <br />