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Environmental LOG OF BORING NO. B-9 PAGE -I- ofd <br /> Science & PROJECT NO 02-531-001 DATE 5/14/90 <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 /> BORING LOCATION AROUND UNDERGROUND � <br /> Z STORAGE TANKS HOLE DIA 7 INCHES o <br /> va_ J a 6 DRILLER GREGG DRILLINGtFi <br /> C-0 Qw01- IZZ LOGGED BY PAUL GRAFF <br /> Uj <br /> w to <br /> ¢ vai a a U SUPERVISOR SUE WICKHAM, RG-3851 zo <br /> a > DESCRIP710N U <br /> p ASPHALT, base coarse gravel, some black clay <br /> 0 <br /> SILT, dark brown, no odor, some clay lumps, dry, some coarse <br /> ML sand and gravel <br /> $ RING ® SILTY SAND, light--medium brown, very fine—grained, very <br /> 9 10j 5 FT SM homogeneous (poorly graded), looks like fill, no odor <br /> va <br /> tt t Q <br /> I Q <br /> Q <br /> IV- <br /> 10 { RING ® loose <br /> 11 48! 10 FT SILTY SAND, as above, slight odor, <br /> 7 N7 <br />_71 o <br /> o <br /> 15 RING g 0 <br /> 13 2 15 FT <br /> ML SANDY SILT, more fine than above, maybe a very slight odor <br /> 0 <br /> 0 <br /> i 0 <br /> i <br /> Q <br /> 20—iRING ® SANDY SILT, medium—brown as above but more fines and clay, <br /> 25 2 20 FT ML no odor <br /> TOTAL DEPTH=20 FEET <br /> Boring back—filled with 3/8" bentonite hole plug to surface <br /> COMMENTS <br /> Sampling Interval f <br /> Sample sent to laboratory for analysis <br />