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1=a j <br /> j SITtIVFSTIGATION DECISION TREE rL(. CHART <br /> COLLECT A ANALYZE <br /> GROUND WATER <br /> SAMPLES <br /> IS <br /> I . GROUND IS <br /> (TATER USABLE CLEANUP OF CLEAN UP All <br /> IS YES OR NO ALL SOIL YES SOIL CONTAMI- <br /> w FREE PROLUCT CCNNECTED TO USABLE CONTAMINATION NATION A END <br /> j PRESENT? GROUND WATER? ECONOMICALLY AIULYSIS. SOIL <br /> FEASIBLE? IS CLEAN. <br /> I NO <br /> r[s ND <br /> ARE <br /> D SSOLVED <br /> r fHD NO <br /> PRODUCT RE'V WITH REGIONAL BOARD <br /> ANALYSIS CONCENTRATIONS FREE APPROVAL, LEAVE FREE <br /> BOVE THRESHOLD PRODUCT PRODUCT IN PLACE IF NO <br /> T LIM1T5? SAFETY THREAT EXISTS <br /> YES <br /> CLEAN UP ALL CLEANUP OF <br /> ,I fSOIL CO)iTAM1• ALL SOIL NO ASSESS <br /> NATION 8 ENDCONTAMINATION GRaUNS WATER � _ <br /> a„+ ANALYSIS. SOti • ECONOMICALLY USE <br /> IS CLEAR. FEASIBLE? i <br /> { <br /> r <br /> e . <br /> h DESIGNATED NO DESIGNATED <br /> $' BEkEFtC[AL <br /> OR CONkEtii�ONS TO <br /> GROUND WATER WITH <br /> 1 DESIGNATED USE <br /> i <br /> USABLE GRMD. RESPONSIBLE PARTY 111111 REGIONAL BOARD <br /> WATER OR POSSIBLY SHOWS NO APPRDVAL, LEAVE <br /> CONNECTED TO CONNECTIONS TO DISSOLVED PRODUCT <br /> USABLE G£OUNpUSABLE GROUND IN PLACE <br /> 1 r.i WATER HATER <br /> y F <br /> CLEAN UP 70 MEET WITH REGIONAL BOARD <br /> THRESHOLD APPROVAL, LEAVE <br /> "^ LIMIT DISSOLVED PRODUCT <br /> IN PLACE <br /> i <br /> MONITOR SITE <br /> 1,.:... TO ENSURE <br /> EFFECTIVENESS OF <br /> r° kO' REMEDIAL ACTION <br /> RE: LEAKING UNDERGROUND ; <br /> L:r <br /> FUEL TANK FIELD MANUAL <br /> FIGURE 5 ; <br />