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Advanced <br /> BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.: MW-37 <br /> 7 837 Shaw Road, Stockton, CA 95215 TOTAL DEPTH: 200 feet bsg <br /> (209)467-1006 FAX: (209)467-1118 <br /> Project: River City Petroleum-Connell Motor Date(s) Drilled: 05 to 13 January 2005 <br /> Project No.: AGE-NC-98-0500 Page 2 of 4 <br /> ' Well Well Completion Description <br /> Sample Blows PID Soil USCS Class and <br /> Depth ID (per 6") (ppm) Symbol Soil Description <br /> a <br /> -7 MW37-50 0 plasticity;dry;HC odor. <br /> MW37-55 562 ML:SILT:brown fines high toughness and low <br /> ' plasticity'white and gray-green motteling <br /> contarnnation,dry/moist;strong HC odor. / <br /> SM:SILTY SAND:brown tan majority fine sand; <br /> - <br /> 60 MW37-60 314 approximately 10%brown fines;saturated;strong <br /> HC odor. G <br /> ML:SILT:gray fines high toughness and low <br /> • plasticity;dry;strong HC odor. <br /> -65 MW37-65 1,400 <br /> SP:POORLY GRADED SAND:30%fine,60% <br /> ' medium and 10%coarse sand;saturated;strong <br /> -70 MW37-70 hydrocarbon odor. <br /> ML:SILT:brown fines;high toughness and low <br /> -75 MW37-75 plasticity;moist;HC odor. <br /> CL:SILTY CLAY:brown fines medium toughness <br /> -80 <br /> MW37-80 and high plasticity;dry/moist;HC odor. <br /> -85 NS:No Sample Recovered-sands <br /> MW37-85 <br /> NS:No Sample Recovered-sands <br /> ' -90 MW37-90 <br /> CL:SILTY CLAY:brown fines;medium toughness <br /> and high plasticity;dry;HC odor. <br /> -95 MW37-95 <br /> CL:SILTY CLAY:brown fines;high toughness and <br /> ' MW37-98 high plasticity;dry;HC odor. <br /> -10 ML:SANDY SI gray LT: a fines;low toughness and <br /> low plasticity;20%fine sand;moist;no HC odor. <br /> -10 MW37-105 CL:SILTY CLAY:brown fines;low toughness and <br /> medium plasticity;dry/moist;HC odor. <br /> ' ML:SANDY SILT:brown fines;low toughness and <br /> low plasticity;20%fine/medium sand;moist;HC <br />