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Environmental LOG OF BORING NO. B--13 PAGE I of-1- <br /> Science <br /> fdScience & PROJECT NO 02-531-001 DATE 5/15/90 <br /> Engineering, Inc <br /> CLIENT DELTA TRUCK SALES REF ELEV <br /> 397 Center Avenue, Suite 350 <br /> Martinez, Celifornua 94553 SIVE LOCATION STOCKTON, CA METHOD HOLLOW—STEM <br /> 415-372-3637 AUGER <br /> BORING LOCATION Near former waste oil <br /> tank locations HOLE DIA 7 INCHES O_ <br /> [a a N F DRILLER GREGG DRILLING ~ <br /> Q p 3 _ Q <br /> 0- z w LOGGED BY PAUL GRAFF <br /> O Q Q W in <br /> G; <br /> (n p z g SUPERVISOR SUE WICKHAM. RG-3851 � � <br /> > DESCRIPTION <br /> ASPHALT <br /> CIL <br /> CL CLAY, black, no odor, moderat"Y stiff <br /> 17 IV <br /> 0 <br /> 5 RING 0v <br /> 23 7 5 FT ML SILT, medium—brown, dry, fairly loose, no odor <br /> 0 <br /> Q <br /> 1 a <br /> 14 12 RING10 ML SANDY SILT, as above, some fine sand, no odor <br /> TOTAL DEPTH=10 FEET <br /> Bonng back—filled with 3/T bentonite hole plug to surface <br /> COMMENTS <br /> Sampling Interval <br /> Sample sent to laboratory for analysis <br /> s <br /> J � <br />