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FILE COPY <br /> Leaking Underground Fuel Storage Tank Program <br /> 111 Release and Site Characterization Information (continued) <br /> Maximum Documented Contaminant Concentrations--Before and After Cleanup <br /> Contaminant Soil Before (ppm) Water (ppm) Contaminant Soil Before (ppm) Water (ppm) <br /> After Before After After Before After <br /> TPH(Gas) 190. 1.7 Ethyl-benzene 0.80 0.048 <br /> TPH(Diesel) NA NA Xylene 5.6 0.050 <br /> Benzene 0.15 <0.0005 <br /> Toluene 0.43 <0.0005 <br /> MTBE 1<0.05 <0.005 <br /> Comments NOTE: GROUNDWATER RESULTS IN PARTS PER MILLION! NO REMEDIATION CONDUCTED. Soil <br /> Before results are from a soil sample collected beneath the UST at the time of removal. Water Before results are <br /> from a grab sample obtained 3/6/98 from the Geoprobe hole. <br /> IV.Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board Basin Plan? NA <br /> Does completed corrective action protect potential beneficial uses per the Regional Board Basin Plan? NA <br /> Does corrective action protect public health for current land use? N/A <br /> Site management requirements: NONE <br /> Should corrective action be reviewed if land use changes?YES <br /> Have the Monitoring/Vapor wells been decommissioned? N/A. Number Decommissioned: N/A. Number retained: 0 <br /> List enforcement actions taken: NOR-02/26/97 <br /> List enforcement actions rescinded: N/A <br /> V. Local Agency Representative Data <br /> Name: Donna Heran/Margaret Lagorio Title: Director of Environmental Health/LOP <br /> Su ervisor <br /> Signature: Date: L4 <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: Response Date: <br /> RB Staff: Marty Hartzell. Response: <br /> Title%Engineering Geologist <br /> VII. Additional Comments, Data,etc. <br /> This document and the related CASE CLOSURE LETTER, shall be retained by the lead agency as part of the official site file. <br /> M1/3/00 <br />