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Advanced BORING LOG <br /> GeoEnvironmental, Inc . BOREHOLE NO. : MW-11 <br /> F 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 : 14 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") (ppm) Symbol Soil Description Completion Description <br /> -5 0 MWII-50 9-13-16 0 CL: SILTY CLAY: gray, moderate plasticity, low PAP <br /> 1 <br /> toughness, approximately 30-40% silt, moist, %a <br /> hydrocarbon (FIC) odor. <br /> Ago <br /> —55 MWlI -55 9-14-17 182 CL: SILTY CLAY: gray, moderate plasticity, low <br /> toughness, approximately 3040% silt, moist to very <br /> moist, HC odor. Bentonite seal front 56' to <br /> 58' bsg <br /> — 60 MW 11 -60 7-18-25 1558 SM: SILTY SAND: gray, fine grain, poorly graded <br /> sand, approximately 20-30% silt, very moist, strong HC F L4W93 and 2/12 sand from <br /> odor. F <br /> W 58' to 70' bsg <br /> SM: SILTY SAND: gray, medium and fuse grain, <br /> moderately graded sand, approximately 10% silt, <br /> — 65 MWII -65 30-50-6 1370 samm[ed, strong HC odor. <br /> Screen 0,01" interval <br /> ML: SILT: low plasticity and moderate toughness with from 60' to 70' bag <br /> approximately 15% clay and 15% fine grain sand, very <br /> moist, strong HC odor. <br /> — 70 MW I1-70 14-25-39 786 CL: CLAY: gray, high plasticity, moderate toughness, Cap at 70' <br /> approximately 10-20% silt , moist, strong HC odor. <br />