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Advanced BORING LOG <br /> - GeoEnvironmental, Inc. BOREHOLE NO MW10 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1198 TOTAL DEPTH 281 <br /> Project Manteca City Corporation Yard Date(s) Drilled 19 February 2003 <br /> Project No AGE-NC-99-0637 Page 2 of 2 <br /> i <br /> Depth Sample Blows PID Sod USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Sod Description Completion Description <br /> I <br /> MW 10-20 12/15/18 0 CL Dark broom,moist,SILTY CLAY,100% Screened interval from <br /> recovery,medium plasticity and toughness,no HC 8'to 28'bsg <br /> odor <br /> I SP-SM Brown,damp,POORLY GRADED SAND <br /> with SILT,Fine sand, 15%fines,100%recovery,no <br /> HC odor <br /> I8"Bonng diameter <br />' 25— MWlo-25 11/17/22 0 _ <br /> SF-SM Gray,saturated,POORLY GRADED SAND 2"Casing diameter <br /> with SILT,fine sand,15%fines, 100%recovery,no <br /> HC <br /> or <br />�. �odor <br /> y to brown,saturated,SILTY CLAY, 100% <br /> ,medium plasticity and toughness,no HC 020 slot size <br /> Cap at 28' <br /> MW]0-2$ 16/21/27 0 CL Gray to brown,saturated,SILTY CLAY,66% <br /> recovery,medium plasticity and toughness,no HC <br /> odor <br /> -30 <br /> I <br /> I <br /> I <br /> I _ <br />