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Advanced BORING LOG <br /> GeoEnvironmental Inc. <br /> BOREHOLE NO B-2 <br /> CEJ 4005 North Wilson Way, Stockton, CA 95205 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 851 <br /> Project Lodi Airport Date(s) Drilled 21 June 2000 <br /> Project No AGE-NC-98-0533 Page 2 of 3 <br /> Depth Sample Blows PID Sod USCS Class and <br />' ID (per 6") (ppm) Symbol Soil Description <br /> ML Brown,moist,medium dense silt,with traces of clay,fine sand,black organic matter <br /> -30— B-2-30' 15/20/50 8 =_— and iron oxide Abundant white mineralization No HC odor <br /> I _ <br /> I <br /> _ SM Brown,moist,medium dense silty sand,(30%silt)and very fine sand,with traces of <br /> - <br /> 35— B-2-35' 21/30/50 5 _— iron oxide and micas No HC odor <br /> I <br /> CL Brown to gray,damp,silty lean clay,with trace of black organic matter No HC odor <br /> - <br /> 40— B-2-40' 3 0/5 0 0 <br /> I <br /> ML Brown to dark brown,damp,hard silt with clay No HC odor <br /> -4 5 B-2-45' 32/50 1 <br /> CL Brown,damp hard clay with trace of silt Abundant white rnmeralization and black <br /> organic matter No HC odor <br /> ML Brown,moist,very stiff silt with traces of fine sand and iron oxide No HC odor <br /> So— <br /> B-2-50' 50 0 <br /> I <br /> ML Light brown to olive green,moist, silt with clay Abundant black organic matter and <br /> -5 5 B-2-55' 33/50 1 iron oxide No HC odor <br /> ——— CL Brown,damp,stiff silty clay with trace of fine sand No HC odor <br /> -60— B-2-60' 28/50 0 —— <br /> __— ML Light brown to white silt No HC odor <br />