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Environmental LOG OF BORING NO. B--11 PAGE -I- of-2- <br /> Science & PROJECT NO 02-531-001 DATE 5/15/90 <br /> Engineering, Inc <br /> CLIENT DELTA TRUCK SALES REF ELEV <br /> 597 Center Avenue, Suite 350 <br /> Martinez, California 94553 SITE LOCATION STOCKTON, CA METHOD HOLLOW—STEM <br /> 415-372-3637 AUGER <br /> BARING LOCATION AROUND UNDERGROUND Z <br /> = STORAGE TANKS HOLE DIA 7 INCHES O <br /> U a_ w o P DRILLER GREGG DRILLING <br /> v a_ 2 U)¢ U <br /> J3 � � z I0.— w' LOGGED BY PAUL GRAFF <br /> D Q QU �� <br /> 10-U 0 m N 7 g SUPERVISOR SUE WICKHAM, RG-3851 Z <br /> DESCRIP11ON <br /> ..vavvvar CEMENT <br /> CL CLAY, black, moderately stiff, odor 7Q <br /> Vr 7 <br /> 5 13 173 RING 0 ASL SILT, brown, moderately loose, strong odor v <br /> 5 FTV <br /> S Q <br /> IV- <br /> 0 <br /> V <br /> 10IV <br /> 11 71 10GFT ML As above, strong odor <br /> IV <br /> 0 <br /> 0 <br /> 15 RING ® Q <br /> 12 175 15 ML As above, strong odor <br /> 0 <br /> JJJ <br /> 2D RING <br /> 25 44 20 ML As above, strong odor, perhaps more clay <br /> Q <br /> V IV- <br /> 0 <br /> 25 <br /> 14 45 R25GFT ML As above, strong odor, slightly damp in places, possible product <br /> 0 <br /> COMMENTS D <br /> Sampling Interval Q <br />