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_ <br /> }A <br /> Environrnentai LOG OF BORING NO. B-12 PAGE <br /> rs' Science & - ofd <br /> PROJECT NO:o2-531—opt-� Engineering, Inc, DATE:S/15/90 <br /> r CLIENT: DELTA TRUCK SALES <br /> 597 Center Avenue, Suite 350 <br /> Martinez, California 94553REF. ELEV.415-372-3637 SITE LOCATION: STOCKTON, Cq <br /> METHOD,HOLLOW—STEM <br /> 90RING LOCATION. By 2000 GAL AUGER <br /> 5 U ~ 4 a unleaded gasoline tank near fuel islands HOLE DIA:7 INCHES p <br /> I 4 w o N DRILLER:GREGG DRILLING <br /> I <0 p a Q Q w cu LOGGED By:PAUL GRAFF U <br /> w <br /> o m ; Inj S SUPERVISOR:SUE WICKHAM. RG-3851 <br /> ca <br /> DESCRIPMON v <br /> 0 <br /> ASPHALT <br /> SP SAND, fine—grained, brown, very uniform, poorly graded, <br /> no odor, probably tank backfill v <br /> 1 0 <br /> e <br /> t J 5 <br /> 1 f2 RING ® SP SILT, medium—brown, loose, very Fine— v <br /> ! I 5 Fi rY grained, no odor, dry <br /> !.t <br /> FAL SILT, brown, loose, fairly dry, no odor <br /> , 9 <br /> • '.R f <br /> ;- to <br /> 10 to *RING 0 <br /> 10 F1 ML As above, no odor <br /> 1i <br /> TOTAL DEPTH-io FEET <br /> 1" Boring bade—filled with 31T bentonite bole plug to surface <br /> r 1 COMMENTS: <br /> Sampling interval <br /> ' Sample sent to laboratory for analysis <br /> us <br /> I <br /> Ila <br /> I <br />