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�• .. "app~ <br /> v <br /> Environmental LOG OF BORING NO. B-4 PAGE <br /> Science & -L of <br /> Engineering. Inc. PROJECT No:02-531-00] <br /> DA71=:5/14/90 <br /> 597 Center Avenue, Suite 350 C[JENT: DELTA TRUCK SALES <br /> REF- ELEV. <br /> Martinez, California 84553 <br /> 4511E LOCATION:STOCKTON, CA <br /> 15-372-3637 <br /> METHOD:i10LLOW-STEM <br /> BORWG LOCATION:OUTSIDE TANK AREA AUGER <br /> v f 0 -+� HOLE DIA:7 INCHES p <br /> EL L Lj .i DRILLER:GREGG DRILLING <br /> Z 0 B U <br /> LU <br /> a LOGGED BY:PAUL GRAFF U <br /> LU Q m Q. u Q0 g0 � <br /> Q 2;'n SUPERMOR:SUE WICKHAM, RG-3851 r <br /> U DESCRIPTION o y`I <br /> t� <br /> 0 <br /> ASPHALT 1 <br /> CL CLAY block. stiff, no odor <br /> ML ' <br /> S ! <br /> a. <br /> 10 5 RING 0 SILT, medium-brown; 10050, very fine-grained, no odor, dry5 FT <br /> 0 <br /> v 1� <br /> 10 <br /> 25 3 RING O <br /> 10 F-, ML AS ABOVE. but more dense, drier, <br /> no odor <br /> s; V <br /> 15 <br /> 20 4 RING O <br /> 15 Fi ML AS AB0VY. no odor <br /> TOTAL DEPTH-I$ FEET <br /> f Boring back-filled with 3/8' bentonite hole Plug to surface <br /> 20 COMMENTS <br /> Sampling Interval <br /> SamPle sent to faborotory for analysis <br /> C - <br /> +' <br /> 5 <br />