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Advanced BORING LOG <br /> j GeoEnvironmental, Inc. BOREHOLE NO.: MW-12 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> �J (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 85' <br /> Project: Stockton Warehousing and Ind.Center,LLC Date(s) Drilled: 11 March 2008 <br /> Project No.: AGE-NC-95-0104 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 /> -45 <br /> ML:Brown SANDY SILT:low plasticity and <br /> —50 MW12-50 14-31-38 1.7 toughness,approximately 30°/a fine grain,poorly graded <br /> sand,damp,no hydrocarbon(HC)odor. <br /> ML:Brown SANDY SILT:low plasticity and <br /> —55 MW12-55 20-31-38 2.4 toughness,approximately 301/a fine grain,poorly graded <br /> sand,damp,no HC odor. <br /> ML:Brown SANDY SILT:low plasticity and <br /> —6() MW 12-60 15-25-56 0 toughness,approximately 300/*fine gain,poorly graded <br /> sand,damp,no HC odor. Bentonite seal from 60'to <br /> 63' bsg. <br /> SM:Brown SILTY SAND:approximately 40%silt,fine <br /> —65 MW 125 20-30-50 0 grain,poorly graded sand,damp to moist,no HC odor. <br /> 113 sand from 63'to 85' <br /> bsg. <br /> SM:Brown SILTY SAND:approximately 40%silt with <br /> - MW 12-70 16-19-32 5.1 some clay,fine grain,poorly graded sand,moist to <br /> saturated,no HC odor. Screened interval from <br /> 65 to 85 bsg. <br /> SM:Brown SILTY SAND:approximately 30%silt with <br /> —75 MW 12-75 13-26-39 0 some clay,fine grain sand,poorly graded,saturated,no <br /> HC odor. <br /> ML:Brown SANDY SILT:low plasticity and <br /> —80 MW 12-80 10-16-27 4.1 toughness,approximately 25-35%fine grain,poorly Cap at 85'. <br /> graded sand,some clay,saturated,no HC odor. <br /> mL. CLAY:moderate plasticity and toughness, <br /> —g 5 MW12-85 IS-27-50 0 C odor. <br />