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Advanced <br /> BORING LOG <br /> _ GeoEnvironmental, Inc. BOREHOLE NO.: OW-2 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209) 467-1118 TOTAL DEPTH: 16 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-2 completed as = Water Level Before Drilling Page 1 of 1 <br /> 1-inch ozone sparging well. i Water Level After Drilling <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> 'S Cement grout seal <br /> from 0.5 to 7'bsg. <br /> Q <br /> Bentonite seal from 7' <br /> ! 10 11' bsg. <br /> i <br /> � II <br /> 10 <br /> #2/16 sand from 11'to <br /> 16'bsg. <br /> SM:brown,dense,saturated,SILTY SAND,slight <br /> OW2-14 17,21,24 - '• ' to moderate HC odor 50 Micron Diffuser <br /> iYScreen from 13'to 15' <br /> -15 CL:brown,saturated,SILTY SANDY CLAY,slight bsg. <br /> to moderate HC odor <br /> �n <br />