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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO.: B4 <br /> s 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 101 <br /> Project: Delta College Caterpillar Center(Shima) Drilling Co.: Advanced GeoEnvironmental,Inc. <br /> Site Location: 5151 Pacific Avenue Rig/Auger Type: GeoProbe 5400/1.25' Probe Rods <br /> Stockton,California Logged By: REN <br /> Reviewed By: WRL <br /> Project No.: AGE-NC-09-1714 <br /> Date(s) Drilled: 21 September 2009 <br /> Notes: m Water level during drilling Page 1 of 1 <br /> m Water level in completed well <br /> Depth Sample Blows PIDSoil USCS Class and <br /> ID (per 6") (ppm) Symbol Soil Description <br /> 0 <br /> CH:Dark Brown to Yellow-Orange Brown,Dry,CLAY;high plasticity and toughness,hard <br /> consistency,no hydrocarbon(HC)odor. <br /> -5 B4-5 0 <br /> CL:Dark Brown to Yellow-Orange Brown.Dry.SILTY CLAY;medium to high plasticity <br /> and toughness,stiff consistency,approximately 20%silt,no HC odor. <br /> -10 B4-10 0 <br />