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ti <br /> ilk <br /> Case Closure Summary Page 2 - <br /> v Leaking Underground Fuel Storage Tanl%,,,j)gram <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) <2.5 ND ND Xylene .055 ND ND <br /> TPH(Diesel) Ethylbenzene .010 ND ND <br /> Benzene <.005 ND ND Oil &Grease <br /> Toluene .036 ND ND Heavy Metals <br /> MTBE .005 <br /> Comments: GEOPROBE INVESTIGATION OF SOIL AND GROUNDWATER AFTER'BANK REMOVAL DID NOT <br /> EVIDENCE SIGNIFICANT CONTAMINATION. <br /> I <br /> j <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? NO <br /> Monitoring/Vapor wells decommissioned: Number Decommissioned: Number retained: <br /> List enforcement actions taken:. <br /> List enforcement actions rescinded: <br /> V. local Agency Representative Data <br /> Name: MARGARET LAGORIO Title:SUPERVISING REHS/SITE MITIGATION-LOP UNIT <br /> Signature: Date: ItA <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: Response Date: <br /> RS Staff. PAT ANDERSON Response: <br /> Title: HYDROGEOLOGIST <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 />