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2. <br /> I <br /> ` Environmental LOG OF BOR114G NO. 13--5 ACE -I- of-1- <br /> Science 8c PROJECT NO:02-531-001 OATE:5/14/90 <br /> Engineering. Inc. <br /> CLIENT; DELTA TRUCK SALES REF. ELEV. <br /> 597 Center Avenue, Suite 350 <br /> Martinez. California 94553 31TE LOCATION: STOCKTON, CA METHOD:HOLLOW-STEM <br /> 415•-372-3637 AUGER BORING LOCATION:NEAR TANKS <br /> iii [ z HOLE DIA:7 INCHES F <br /> La-L ul <br /> w DRILLER.GREGG DRILLING 7 <br /> ¢0 0- d a- w o LOGGED BY:PAUL GRAFF <br /> CL m En Q = SUPERVISOR: SUE WICKHAM, RC-.385: <br /> � <br /> " DESCRIPTION v <br /> CEMENT <br /> r..� CL CLAY, block, moderately stiff, slight odor. v <br /> 6.y � <br /> v <br /> v <br /> v <br /> ML v <br /> 5 RING D SANDY SILT, medium-brown, looso, dry, no odor, pearly groead, <br /> 10 2 5 FT Sarno clay cinsts v <br /> v <br /> - v <br /> v <br /> v <br /> ` 13 3 RING ft SILTY SAND, as above but mrre very fine-grained sand, no <br /> 10 FT SM odor v <br /> 4,. v <br /> IV <br /> .. I KE v - <br /> 15 RING O <br /> 24 2 15 ML CLAYEf SILT, medium-brown, madarate'y stiff, n� sand, no odor <br /> is 1 7 v <br /> L3 7 p <br /> 20 *RING 9 SAND. Gne- to medium-groined, some gravel, brown, no odor, <br /> 20 2 20 FT Coosa <br /> Sw . TOTAL DEPTH-20 FEET <br /> Bo Ing back-filled with 3/8" bentonite hole plug to surface <br /> COMMENTS: <br /> Sampling Interval ' <br /> T Sample sent to laboratory for analysis <br />