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t <br /> Case Closure Summary Page 2 <br /> Leaking Underground Fuel Storage Tank Program <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 /> TPN(Gas) <1 Ethylbenene' <.005 <br /> TPH (Diesel) 1300 <5 Xylene <,005 <br /> Benzene <,005 TGE <br /> Toluene <.005 PCE <br /> MTBE J <,01 <br /> Comments: Soil Before from soil sample beneath the USTs at the time of their removal. Soil After from soil samples <br /> collected from soil borings. The soil boring samples were only analyzed for TPH-Diesel since that was the only contaminant <br /> detected at the time the USTs were removed. No remediation was required.:' <br /> i; <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board Basin Plan? Yes <br /> ii <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: Notice of Responsibility <br /> List enforcement actions rescinded: <br /> V. Local Agency Representative Data <br /> Name: Donna Heran Title: Director of Environmental Health <br /> Signature: Date: r <br /> VI. Central Va ey Regional Water Quality Control Board (RB) Notification II <br /> Date Submitted to RB: 1125199 Response Date: <br /> I� <br /> RB Staff: Mark List Response: No response as of 313199 <br /> Title: Engineering Geologist <br /> VII_ Additional Comments, Data, etc. <br /> SOIL ONLY <br /> h <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 /> I� 11 <br />