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� Advanced BORING <br /> LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO MW4 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> �--'� TOTAL DEPTH ' <br /> (209)467-1006 FAX (209)467-1118 40 <br /> Project R M B Garage Drilling Co Cascade Drilling, Inc <br /> Site Location 715 North Hunter Street Rig/Auger Type CME-75/8 25" <br /> Stockton, California 95205 Logged By Donna 3 Sexton <br /> Reviewed By Calvin F Lee <br /> Project No AGE-NC-01-0877 <br /> Date(s) Drilled 25 September 2003 <br /> Notes Ground water encountered at 25 feet b s g rz Water level during drilling Page 1 of 2 <br /> s Water level In completed well <br /> Depth Sample Blows PID Soil <br /> tJSCS Class and Well Well <br /> ID (per 6"} (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> Well cover <br /> Water tight,locking <br /> cap <br /> —5 MW4-5 7/10113 44 Cement grout seal from <br /> CH Black,slightly moist,CLAY,high toughness,high <br /> plasticity,no HC odor 1'to 15'bsg <br /> —10 MW4-10 10/14/15 71 <br /> CL Brown to blacks,slightly moist,SILTY CLAY, 10% <br /> silt,5%fine sand,very high toughness,high plasticity, <br /> no hydrocarbons(HC)odor <br /> -1 <br /> 5 MW4-15 12/12/17 12No hand sample Bentonite seal from 15' <br /> to 19' bsg <br /> #3 sand from 18'to 40' <br /> bsg <br /> —20 <br /> I MW4-20 13/15/16 71 <br /> CUSC Orange brown,dry,CLAY and SAND,fine <br /> grained,poorly graded,50%clay,low toughness,no <br /> plasticity,very strong HC odor <br /> MW4-25 10111116 221 CL)SC Orange brown,dry,CLAY and SAND,fine <br /> grained,poorly graded,50%clay,low toughness,no <br /> plasticity,very strong HC odor <br />