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� Environmental LOG OF BORING N0. 8-2 PAGE -t- of-1- <br /> Science <br /> fdScience & <br /> Engineering. Inc PROJECT NO 02-531-001 DATE. 5/14/90 <br /> 597 Center Avenue, Suite 350 CLIENT. DELTA TRUCK SALES REF ELEV <br /> Martinez. Cahtorxu.a 94553 SITE LOCATION STOCKTON, CA METHOD HOLLOW--STEM <br />' 415-372-3637 AUGER <br /> BORING LOCATION AROUND UNDERGROUND Z <br /> Z STORAGE TANKS }TOLE DIA. 7 INCHES F <br /> rLL. Q x a` DRILLER GREGG DRILLING <br />' Q Q 3fL z W LOGGED BY PAUL GRAFF <br /> W C O a vai a z g SUPERVISOR SUE WICKHAM, RG-3851 <br /> DESCRIPTION <br /> 0 ASPHALT, and base coarse gravel <br />' CL CLAY, black, moderately stiff, no odor <br /> 0 <br /> 1 <br /> ML <br /> 5 RING ® SANDY SILT, medium—brown, base, no odor, poorly graded, very <br />' 1 12 6 5 FT I fine grained <br /> IV— <br /> H11 � Q <br /> 10 <br /> • RING Fr ML SANDY SILT, as above, no odor 7 <br /> 16 5 1 <br /> Q <br /> Q <br /> 1 <br /> 15 0 <br /> 12 46 15GFr ML SANDY SILT, as above, maybe more fines, slight odor <br /> I <br /> I <br /> 20 �7 <br /> 15 23 ToGFTr ML SILT, as above, more fines, slight odor <br />' TOTAL DEPTH-20 FEET <br /> Boring back—filled with 3/8" bentonite hole plug to surface <br /> 1 <br />' COMMENTS <br /> ' Sampling Intermi <br /> Sample sent to laboratory for analysis <br />