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f <br /> Case Closure Summary : Exhibit IS ge 2 of 2 <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 /> Water <br /> Contaminant Soil Soil Water After <br /> Before After Before Ppm <br /> TPHdiesel 66ppm 10ppm NA .00017 <br /> TPHgas ND ND NA ND <br /> Benzene ND NA .0004 <br /> Toluene ND ND NA .006 <br /> Ethylbenzene ND ND NA ND <br /> Xylene 9.2ppm ND NA ND <br /> MTBE ND ND NA ND <br /> Soil Before results were from tank removal. Soil and waterAfter results were from investigative borings. <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 wells to be decommissioned: None Number Decommissioned: 0 Number retained: 0 <br /> List enforcement actions taken: NOR sent <br /> List enforcement actions rescinded: None <br /> V. Local Agency Representative Data <br /> Name: Donna Heran jVlaq r, o Title: Director of Environmental Health/ <br /> Signature: Date: b 4 <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: Response Date: <br /> RB Staff: Mike Smith Response: <br /> Title: Environmental Specialist II <br /> VII. Additional Comments, Data, etc. <br /> Minimal soil and water contamination. <br />