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Advanced BORING LOG <br /> GeoEnvironirr',Iental, Inc. 1 BOREHOLE NO.: MW-4 <br /> r' 837 Shaw Road, Stockton, CA 95215 t <br /> TOTAL DEPTH: 781 <br /> (209)467-1006 FAX: (209)467-1118 <br /> -s <br /> Date - <br /> Drilled: 14 February 2002 <br /> Project: NATIONAL FREIGHT } <br /> Project No.: AGE-NC-98-0497 Page 3 of 3 <br /> Sample Blows ' PID Soil USCS Class and Well Well <br /> 7Depth ID ! (Per 6„) ' (PPm) Y <br /> !Symbol I Soil Descrip ion I Completion Description <br /> , I <br /> 1f <br /> /7/7 CL'.SILTY CLAY,medium pla tic ity,low toughness, #3 sand from 56'to 78' <br /> approximately 30%organic ma cr,moderate olive bsg. <br /> brown,saturated,hard,100%re uverY, <br /> -65 - MW4-65 15119!29 0 <br /> CL:LEAN CLAY,medium pla ticity,medium = Screened interval from <br /> toughness,olive gray,saturated hard,100%recovery. — 58'to 78'bsg. <br /> -7 0 MW4-70 18120!20 0 —�— - <br /> i <br /> CL:LEAN CLAY,medium plasticity,medium <br /> toughness,trace of micas,dark greenish grey,saturated, <br /> hard,100%recovery. <br /> -7 5 MW4-75 17150-6 0 <br /> ,7 CH:FAT CLAY,high plasticity,high toughness,dark <br /> ti 1 greenish gray,saturated,hard, 0%recovery. <br /> Cap at 78'. <br /> MW4-78 17150-6 0 - - --� -- —.�.- <br /> -80-... <br />