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Case Closure Summary : Exhibit N PF--2 of 2 <br /> � Case Closure Summary Page 2 <br /> Y 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 NDND NA .0004 <br /> Toluene 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 /> LLShouldfective action be reviewed if land use changes?Yes <br /> ells to be decommissioned: None Number Decommissioned: 0 Number retained: 0 <br /> ment actions taken: NOR sent <br /> ment actions rescinded: None <br /> V. Local Agency Representative Data <br /> Name: Do a Heran Title: Director of Environmental Health <br /> Signature: '/-)"Yl,, Date: — �-a <br /> Si <br /> ) <br /> 9 v- <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: 1017199 Response!Date: 11/15199RB Staff: Mike Smith ResponseoL= <br /> ncurrence <br /> Title: Environmental Specialist II <br /> VII. Additional Comments, Data, etc. <br /> Minimal soil and water contamination. <br />