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iV ER�0O RDAV <br /> •" _ BUILDING <br /> vAI <br /> M_W 1142I r�_ <br /> •— 1---- � lli I\ <br /> (74) 1 <br /> —� Q �8711 <br /> r— 1 ——— MW 9 ' I / LEGEND <br /> I 1 I,. <br /> / 0(750) I 0 MW 10 GROUNDWATER MONITORING WELL <br /> /MW-8 0 50 000--(6 600)\ I � I <br /> (370) / AS-2 10MW 3 I AS II <br /> 1150 000)AS i! 0 i3 5001 <br /> I I I I \ VW 11 VAPOR EXTRACTION WELL LOCATION <br /> MW 2 0 I / I <br /> MWS I64) I DISPENSER I W 1 I VW 2 <br /> I 0[<50} I ISLANDS r____ — I <br /> F___ 1 )9(AS-2 AIR SPARGE WELL LOCATION <br /> a 1 I i ` r l it 1 TPHg CONCENTRATIONS MEASURED 1N PARTS <br /> z I 1 (150000} PER BILLION(ppb) <br /> I II r <br /> o'I I ' r <br /> in 1 I IXRGRO r Il` I I I __ LINE U EQUAL CONCENTRATION OF TPHg <br /> 1 ` I I 5 O�GET ryD �I I �� MEASURED IN ppb <br /> �Iii —� i � � <br /> n CANOPY 1 I r 1 I 1 ———— f — WELLS SAMPLED ON 11130101 <br /> O I W r i — r> <br /> L) ( CONCRETE <br /> I sL BUILDING 1 —— ——————! i i i i w ` 7 ASSUMED APPROXIMATE LATERAL EXTENT OF <br /> a I o L— ---- Lz STATION <br /> LU <br /> ____J t____1 L____JI > L---J TPHg IMPACTED GROUNDWATER <br /> — MW 7 (97) MW 1< 1 (<SD)0MW 10 0 <br /> u <br /> I r wooD�ENc - — <br /> I MW 50 <br /> ( I <br /> L -- -- -- -- -J <br /> WOODFENCE h, <br /> QJJ <br /> 0 30 FT rY RrH <br /> HORIZON ENVIRONMENTAL INC TPHg ISOCONCENTRATION MAP FIGURE <br /> APPROXIMATE SCALE _ <br /> Project Number 1419 13 Drawn By M LaCoste FORMER BEACON STATION NO 12419 7 <br /> SOURCE FIGURE MODIFIED FROM SURVEY PROVIDED Prepared By R Smith Date 12119101 2350 WATERLOO ROAD <br /> BY RON ARCHER CIVIL ENGINEER INC Reviewed By C Barker Revised Date 320702 STOCKTON CALIFORNIA <br />