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- r I <br /> Soli i! ;`0� � <br /> Groundwater NA <br /> Barrels 6 FoMard Landfill <br /> Case Closure Summary'. Exhibit N Page 1 of 2 <br /> Case Closure Summary Page12 <br /> Leaking Underground Fuel Storage Tank Program <br /> 1 ltl Release and Site Characterization Information(continued) <br /> Maximum Documented Contaminant Concentrations --Before and After Cleanup i <br /> m Contamin723 <br /> (ppm) Water (PPM) <br /> Contaminant Soil (Ppm) Water (ppm)? re After Before After <br /> Before After Before After <br /> TIaH(Gas) 1700 3200 NA NA Ethy,lbenz17 NA NA <br /> I TPH (Giese!) NA NA Xylene 220 <br /> } NA <br /> Benzene 2.3 6.7 Oil GreNA I <br /> Toluene 41 32 Heavy MeNAMineral Spirits NA NA Lead ND <br /> MTBE NA ND <br /> Comments (Depth of Remediation, etc.): <br /> Site closure based on results of preliminary investigation. ' <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 potentiai 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 /> I <br /> it <br /> Monitoring wells decommissioned:(Yes) Number Decommissioned:fi Number retained: 0 <br /> List enforcementactions taken: NOR sent <br /> List enforcement actions rescinded: None <br /> V. Local Agency Representative Data <br /> Name: Donna Kieran Ttie: Director of Environmental Health <br /> Signature: Da'#e: l .x� �7 <br /> V1. Central Valley Regional Water Quality Control Board(RB)Notification <br /> I <br /> Date Submitted to RB: Response Date: <br /> 'i <br /> RB Staff: P.Anderson Response: <br /> Title:Assoc Eng Geologist <br /> V11. Additional Comments, Data, etc. <br /> I <br /> Soil Only <br /> This document and the related CASE CLOSURE LETTER;Shall be retained by the lead agency as part of the official site <br /> file. (08124193) Exhibit N Page 2 of 2 <br /> k <br /> V <br />