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Case Closure Summary Page" <br /> making Underground Fuel Storage Tank Prow <br /> III Release and Site Characterization Information (continued) <br /> Maximum Documented Contaminant Concentrations --Before and After Cleanup <br /> Contaminant Soil (ppm) Water (ppm) Contaminant Soil (ppm) Water (ppm) <br /> Before After Before After Before After Before After <br /> TPH (Gas) 2900 ND xxxxxx ND Xylene 1400 ND xxxxxx ND <br /> TPH (Diesel) ND ND xxxxxx NA. Ethylbenzene NA ND xxxxxx ND <br /> Benzene ND(200) ND xxxxxx ND Oil &Grease NA ND xxxxxx NA <br /> Toluene 390 ND xxxxxx ND Heavy Metals NA ND xxxxxx NA <br /> MTBE NA ND xxxxxx NA <br /> Comments: <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board Basin Plan?YES <br /> Does completed corrective action protect potential beneficial uses per the Regional Board Basin Plan? YES <br /> Does corrective action protect public health for current land use? YES <br /> Site management requirements: NONE <br /> Should corrective action be reviewed if land use changes?YES <br /> Monitoring/Vapor wells decommissioned: 0 Number Decommissioned: 0 Number retained: 0 <br /> List enforcement actions taken: NOR <br /> List enforcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Name: MARGARET LAGORIO, REHS Title: SUPERVISOR, SITE MITIGATION UNIT <br /> Signature: Date: l� 19 1 <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: Response Date: <br /> RB Staff: MARK LIST 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 <br /> site file. <br /> f <br />