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Advanced L�ORING LOG <br /> _ GeoEnvironmental Inc. BOREHOLE NO.: OW-9 <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: 27 January 2011 <br /> Notes: Boring for well OW-9 completed as s Water Level Before Drilling Page 1 of 1 <br /> 1-inch ozone sparging well. m Water Level After Drilling <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") <br /> (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> road base <br /> , 0, <br /> 5 no soil samples Cement grout seal <br /> ® from0.5 to 7'bsg. <br /> 140,Q <br /> Bentonite seal from 7' - <br /> 10 11' bsg. <br /> I <br /> -10. <br /> #2/16 sand from 11'to <br /> 16 bsg. <br /> 50 Micron Diffuser <br /> screen from 13'to 15' <br /> 15 bsg. <br />