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Advanced -,dORING LOG <br /> , ;. <br /> GeoEnvironmental, Inc. BOREHOLE NO.: OW-5 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 15 Feet <br /> Project: FORMER CURTIS PONTIAC-BUICK Drilling Co.: All Well Abandonment <br /> Site Location: 2450 Toste Road Rig/Auger Type: CME-75 LAR/8-inch dia. hollow stem <br /> Tracy, California Logged By: B. Millman <br /> Reviewed By: W. Little <br /> Project No.: AGE-NC-96-0254 Date(s) Drilled: 26 January 2011 <br /> Notes: Boring for well OW-5 completed as = Water Level Before Drilling Page 1 of 1 <br /> 1-inch ozone sparging well. s Water Level After Drilling <br /> Depth Sample Blows PID Soil USCSClass and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> CL:dark gray,CLAY, hydrocarbon(HC)odor <br /> <1 <br /> E' f <br /> 4 <br /> 1 <br /> -5 Cement grout seal <br /> from 0.5 to 6'bsg. <br /> Q <br /> Bentonite seal from 6' <br /> to 10' bsg. <br /> _10— <br /> #2116 sand from 10'to <br /> 15 bsg. <br /> SM:brown,dense,saturated,SILTY SANDslight <br /> OW5-14 15;19;22 - HC odor 50 Micron Diffuser <br /> Screen from 12'to 14' <br /> CL black to brown,hard,saturated,CLAY,slight bsg. <br /> -15 HC odor <br />