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1 <br /> Advanced BORING LOG <br /> r GeoEnvironmental, Inc. BOREHOLE NO B-1 (MW-1 <br /> sV' 4005 North Wilson Way, Stockton, CA 95205 <br /> \y (209) 467-1006 FAX (209) 467-1118 TOTAL DEPTH 85' <br /> Project Lodi Airport Drilling Co Michell Drilling Environmental Corp <br /> Site Location 23987 North Highway 99 RrglAuger Type CME-75 (H T) drill rig <br /> Acampo, California Logged By Tony Mikacich <br /> Reviewed By Nuel Henderson <br /> Project No AGE-NC-98-0533 Date(s) Drilled 21 .lune 2000 <br /> Notes Soil boring 13-1 was converted to monitoring well MW-1 a Water level during drilling page 1 of 3 <br /> IWater level in completed well <br /> Sample Blows PID Soil USCS Class and <br />' Depth ID (per 6") (ppm) Symbol Soil Description <br /> 0 <br /> -5 <br /> I <br /> i <br /> I — <br /> ML Green to gray,moist,silt with fine sand(10%sand),trace of iron oxide Intense <br /> -1s— B-1-15' 23/50 137 hydrocarbon(HC)odor <br /> SP Thin tense(1 inch)fine to medium sand with gravel <br /> I <br /> SM Brown to green/gray,moist,silty sand,fine sand,approximately 20%silt,trace of <br /> I -20 B-1-20' 21/50 162 _ — _ medium sand Graymottling and white mineralizations present HC odor detected <br /> 46 _ — _ SM Brown to gray/green,moist,silty sand(30%silt),fine sand with a trace of medium <br /> I -25— 8-1-25' 21/25/40 176 _ — _ sand White mineralization noted Intense HC odor <br />