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IAV <br />LEGEND <br />.k •} # SHALLOW GROUNDWATER MONITORING WELL LOCATION <br />SOIL VAPOR EXTRACTION WELL LOCATION <br />•+ • SOIL BORING LOCATION <br />mw <br />31 ± O DEEP GROUNDWATER MONITORING WELL <br />( ;{ GROUNDWATER EXTRACTION WELL <br />Oi'F'iCEBii#LD"' <br />powArx�Sf FE� �~" � AREA OF OVER -EXCAVATION DURING 1999 <br />] UPGRADE ACTIVITIES <br />GROUNDWATER ELEVATION CONTOUR <br />^ O Jaz OW8 APPROXIMATE GROUNDWATER FLOW <br />DIRECTION AND GRADIENT FTIFT <br />ALLF-y �3F�411 $f <br />� `f °���. 1 � GROUNDWATER ELEVATION <br />1 5 � Mw 2 !20 761 (FEET ABOVE MEAN SEA LEVEL) <br />F RtiiFfll �rAtIo a7z tNMj NOT MEASURED <br />O ST (iD 11 <br />1:507 DonA MW s rNs) NOT SURVEYED <br />MW 1 O m N��,-' o POWER POLE <br />MW to K1asK <br />B No mw 6 Mw_3— OVERHEAD POWER LINES <br />1 cn 0 t� '$"lxa7M } <br />N No Mw 11 9h 9 h1W 7 <br />(-2o IJ + <br />� S)ii3V�'TAY <br />i <br />MWS(19 DMw-3 r <br />MW -7 DMW z EW 2 ' d <br />( rasa} <br />it <br />-185 <br />HA <br />3 <br />i <br />N� VVp,Y <br />-180 <br />D�i> Mw S I <br />• Fra t21 <br />� 1 S&2 � <br />C', 17R #� h!P (1747)DMWLu ' 'k <br />EWA A4 <br />CA(NS) fes, i- l04 Mw -1 <br />la 60 <br />mo ■ 1 <br />v AC <br />PA I, <br />� m PAVING <br />PUM <br />¢P <br />C3 At ISL4ND <br />PAVING # <br />Mw 9 m m AC <br />I raso) m PAWNG 0 60 120 <br />k � FORMER"� DgST1W.; US75 <br />r � • APPROXIMATE SCALE FEET <br />m t sk�ii i s MW2 <br />DRAWN PR FIGURE 1 <br />ATTR ARCO STATION #4932 AND FORMER TOSCO STATION #4409 <br />p REFERENCE TOSCO SITE IS BASED ON ON A `SITE CH 16 EAST HARDING WAY AND 1502 NORTH EL DORADO STREET <br />U PLAN' PROVIDED BY IT CORPORATION,DATESTOCKTON CALIFORNIA <br />AND IS INTENDED FOR ILLUSTRATION <br />ONLY ARCO SITE SURVEYED BY SEC 4 R 04APR2002 GROUNDWATER ELEVATION CONTOUR MAP <br />MORROW SURVEYING Iasrlo SHALLOW WATER BEARING ZONE <br />a Mwmsw� 77BP 54932 02 JANUARY 30, 2003 <br />