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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.. MW-39 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> TOT <br /> (209)467-1006 FAX: (209) 467-1118 AL DEPTH: 150 feet <br /> Project: River City Petroleum Date(s) Drilled: 21 and 22 June 2005 <br /> Project No.: AGE-NC-98-0500 Page 2 of 2 <br /> Sample Blows PID Soil USCS Class and Well Well <br /> Deptill p Completion Description <br /> (per 6") (ppm) Symbol Soil Description <br /> —80 MW39 80 ML:SILT:brown fines low troughness and low <br /> plasticity;30%fine sand;moist;no HC odor. <br /> —85 CL:SILTY CLAY:gray fines medium troughness and <br /> MW39.85 medium plasticity;moist/saturated;no HC odor. <br /> —90 MW39-90 CL:SILTY CLAY:gray fines medium troughness and <br /> medium plasticity,moist/saturated;no HC odor. <br /> —95 MW39-95 CL:SILTY CLAY:gray fines medium troughness and / <br /> medium plasticity;moist/saturated;no HC odor. <br /> —100 ML:SILT:brown fines low troughness and low <br /> MW39100 <br /> plasticity;trace frine sand,moist to saturated;no HC <br /> odor. <br /> 05MW39-105 <br /> ML:SILT:gray tan fines low troughness and low <br /> plasticity;moist;no HC odor. <br /> 10 MW39-110 CL:SILTY CLAY:gary fines medium troughness and <br /> high plasticity;dry/moist;no HC odor. <br /> — 15 MW39-115 ML:SILT:brown fines medium troughness and low <br /> plasticity,moist/saturated;no HC odor. <br /> — 20 ML:SILT:brown fines medium troughness and low <br /> MW39-120 plasticity;moist/saturated;no HC odor. <br /> — 25 MW39-125 SM:NO SAMPIE-SAND:brown fine sand;saturated; <br /> no HC odor. <br /> — 3 0 MW39-130 CL:CLAY:gray fines medium troughness and high <br /> plasticity;moist/saturated;no HC odor. / <br /> Bentonite pellet seal <br /> — 35 MW39-135 SM:NO SAMP1E-SAND:brown fine sand;saturated; from 134'to 138' bsg. <br /> no HC odor. <br /> #3 sand from 138'to 150' <br /> — 40 SP:POORLY GRADED SAND:30%fine 30%medium bsg. <br /> and 40%coarse sand;with trace brown fines(silt);dry; <br /> no HC odor. <br /> — 45 MW39_145 Screen 0.02 interval from <br /> CL:CLAY:brown fines medium troughness and 140'to 150'bsg. <br /> medium plasticity;dry;no HC odor. <br /> — 50 MW39-150 SM:NO SAWIE-SAND:brown fine sand;saturated; Cap at 150'bsg. <br /> no HC odor. <br /> — 55 <br /> 0 <br />