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} t <br /> • z <br /> C <br /> j f•:levenl.h SL-cool. <br /> Fire 0 <br /> Hydrant <br /> W-1 I �' <br /> Existing j <br /> Asphalt '. <br /> r <br /> VA <br /> xisting , <br /> 1 <br /> ExcavCano MW-3i <br /> to Ni,±N <br /> eB ¢g t <br /> 4C <br /> V) <br /> ng <br /> 4== BUi 1din <br /> ExisL.Lng <br /> ii <br /> Asphalt <br /> WEGE ' ED - <br /> Datum <br /> M -2 '. <br /> • F'. <br /> 0 5' 10' 20' 40' <br /> Horizontal Scale 1 :240 <br /> 1 " 20' <br /> i <br /> I <br /> Tank Excavation and Sample Areas as of May 23, 1988., True North <br /> Desert Petroleum Service Station #787 <br /> 954 11Th Street, Tracy, California A Sample gu2104-1 soil from <br /> San Joaquin County, Sec 29; T2S; R5E; MDB&M below regular tank ±14' depth <br /> BY native soil & sample 88-2104-2 <br /> formation water which entered excavatio, <br /> WESTERN GEO-ENGINEERS <br /> George G. Converse s B Sample 88-2104-3 formation water-! <br /> FOR which entered excavation. <br /> Peter Allen, .IDB # BB-2309 <br /> - Walton Engineering C Sample 88-2349-4 soil from <br /> ±14' depth. <br /> Monitor well locations. <br /> FIGURE 2A WEGE datum, approximate location'• <br /> 5/23/88 <br /> of 50 foot contour taken from <br /> USGS Topo, 89' Sau1h of fire hydrant, <br />