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y+ Case Closure Summary Page 2 <br /> Leaking Underground Fuel Storage Tank Program <br /> II Release and Site Characterization Information (continued) <br /> Maximum Documented Contaminant Concentrations --Before and After Cleanup { <br /> Contaminant Soil (ppm) Water (ppb) Contaminant Soil (ppm) Water (ppb) <br /> Before After Before After Before ; After Before After <br /> TPH(Gas) NO ND NO ND Ethyl Benzene NA ND ND NO <br /> TPH(Diesel) ND ND NO ND Xylene NO ND ND ND <br /> Benzene ND ND NO ND Oil &Grease NO NA NA NA <br /> Toluene ND ND ND NO Lead 5.5 NA NA NA <br /> Comments: ,l <br /> All soil samples analyzed for TPH as gasoline and BTEX from confirmation soil borings on 6/20196 are non'detect . <br /> NA-No additional samples submitted or analyzed. <br /> 61 <br /> V. 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? No. Current LUD,commercial. <br /> Site management requirements: None. <br /> Should corrective action be reviewed if land use changes? No. <br /> Monitoring wells decom!rnissioned: None: Number retained: (0) <br /> List enforcement actions taken: NOR sent 6115194 <br /> List enforcement actions rescinded: None. <br /> Local Agency Representative Data <br /> Name: Donna Heran Title: Director of Environmental health <br /> Signature: '� ��15 Date: 03d /f 7 I <br /> I <br /> I. Central Valley Regional Water Quality Control Board(RB)Notification <br /> ,I <br /> Date Submitted to RB: Response Date: <br /> RB Staff:J. BrathovdeResponse: <br /> Title:Assoc. Eng. Geologist i <br /> 11. Additional Comments, Data,etc. <br /> I � <br /> No petroleum hydrocarbons detected from confirmation soil boring samples. <br /> his document and thei',related CASE CLOSURE LETTER,Shall be retained by the lead agency as part of the official site file. f <br /> 08/24193) Exhibit N Page 2 of 2 { <br /> 4 <br /> I <br /> i <br /> i <br /> y <br /> l <br />