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Case Closure Summary Page 2 <br /> Leaking Underground Fuel Storage Tank Program; <br /> 11 Release and Site Characterization Information (continued) <br /> Maximum Documented Contaminant Concentrations --Before and After Cleanup <br /> Contaminant Sail (Ppm) WaterI <br /> Before After Before APfter Contaminant. Sail (ppm) Water <br /> Before After Before (Ppb) <br /> After <br /> ND NO <br /> TPH (Gas) NO NO Ethyl Benzene NA <br /> TPH (Diesel) ND ND ND NO Xylene ND NO NO <br /> Benzene ND ND NO NO ND NO <br /> Toluene NO NO Oil &Grease NO NA ND <br /> NO NO <br /> NO Lead NA NA 1 <br /> 5.5 NA NA NA <br /> Comments: <br /> All-soil samples analyzed for TPH as gasoline and BTEC from confirmation sail borings on 6120196 are niondetect. <br /> NA-No additional samples submitted or analyzed. <br />_ a <br /> V. Closure <br /> I <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 <br /> 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 decommissioned:None: Number retained:(0) t <br /> List enforcement ac tfons taken: NOR sent 6115194 a <br /> List enforcement actions rescinded: None. I <br /> Local Agency Representative Data f <br /> i <br /> t <br /> Name: Donna Henan Title: Director of Environmental Health <br /> Signature Date: —,L2--q-7 <br /> 1. Central Valley Regional Water Quality Control Board (RE) Notification .r <br /> Elate Submitted to RB: , +n , <br /> �a "�� � Response Date: <br /> RE Staft J. Brathovde Response: <br /> Title:Assoc. Eng. Geologist <br /> 11. Additional Comments. Data.etc. <br /> No petroleum hydrocarbons detected from confirmation soil baring samples. <br /> his document and the related CASE CLOSURE LETTER„Shall be retained by the lead agency as part of the official site file. <br /> 08124193) Exhibit N Page 2 of 2 <br /> l <br /> II <br /> _ a <br />