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t <br /> approximate extent of <br /> excavation edge (angle boring) <br /> TSB-9-t- <br /> = i <br /> E <br /> E i I <br /> I I � <br /> E ( Tank#2 I L <br /> I I I � <br /> f <br /> E I <br /> E i <br /> l I <br /> office <br /> I I TSB-7 I TSB-2 docking bays <br /> L <br /> Y- <br /> j <br /> —�—�SB-3- <br /> � i - truck <br /> TSB-8 TS -4/TSVW-1 male <br /> r�� — I Approximate extent of petroleum <br /> I % I hydrocarbon contamination remaining <br /> in soil from depths of 32 to 54 feet <br /> TSB I TSB 1 <br /> i I E <br /> I TSB + <br /> Tank#1 I <br /> I I <br /> I I <br /> I I <br /> concrete pad <br /> I <br /> E _ <br /> E <br /> I----------------- <br /> LEGEND <br /> r——— Location of former underground fuel <br /> L Tank#1 I storage tank(UST) with designation Estimated regional groundwater <br /> flow direction �f <br /> TSB - - Soil boring location with designation !� <br /> h 0 10 <br /> TSVW-I* Po g <br /> Soil vapor extraction well location with desi nation feet <br /> I <br /> Project No. Yellow Freight System, Inc. SOIL BORING AND SOIL VAPOR <br /> Figure <br /> 4Eo4055W EXTRACTION WELL LOCATIONS 5 <br /> Woodward-Clyde YFs sTocKTON <br /> 4E04055W-0023 12/16/94 <br /> I <br />