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I <br /> Environmental LOG OF BORING NO. B-9 PAGE 1 of-1- <br /> Science <br /> fdScience & PROJECT NO 02-531-001 DATE 5/15/90 <br /> FW4Engineering, 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 /> BORING LOCATION AROUND UNDERGROUND Z <br /> STORAGE TANKS HOLE DIA 7 INCHES a <br /> P ~ a � a DRILLER GREGG DRILLING U <br /> Q n 3 , ° LOGGED BY PAUL GRAFF <br /> Of JO O vai ¢ Q z g SUPERVISOR SUE WICKHAM, RG-3851 J <br /> LO <br /> tUj <br /> wit Of m a � O <br /> � C.3 SUPERVISOR <br /> 0 vavvvvavv CEMENT <br /> CL CLAY, dark gray—block, damp. odor, moderoiely plastic, 7Q <br /> modertely stiff <br /> 0 <br /> Q <br /> 5 IV— <br /> RING <br /> 10 D9 5 FT ML CLAYEY SILT, dark gray, odor modertely dense, poorly graded <br /> Q <br /> AAL SILT, medium brown, odor, less clay than above <br /> V <br /> ML SILT, as above <br /> 10 RING <br /> 94 <br /> 16 10 FT <br /> 0 i <br /> ' � I <br /> i <br /> I <br /> 15 RINGQ <br /> ML SILT, as above, perhaps more clay <br /> 15 182 15 FT <br /> Q <br /> ML CLAYEY SILT, as above with some clay 0 <br /> 0 <br /> 20 RING ® 0 <br /> 16 93 20 FT ML As above <br /> Q <br /> - ' ISL SILT, less clay than above, dry, odor, loose <br /> Q <br /> 25 <br /> 22 32 RING ® ML As above, odor <br /> 25 FT <br /> COMMENTS V <br /> Sampling Interval <br /> Sample sent to ioboratory for analysis <br />