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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 /> i1 m Water (ppm) <br /> 1FTPH <br /> taminant Soil (ppm) Water (ppm) Contaminant Be <br /> (Ppm) <br /> Before After Before After Before After Before After <br /> (Gas} <1.0 <.1 x.05 Ethylbenene <.7 <br /> <.0005 <.0005 <br /> < Xylene <.1 <.001 <.0005 <br /> (Diesel) 3,000 <br /> <.1 .05 yl <br />€ c.1 <,0005 <.0005 TCE <br /> Benzene <br /> Toluene <.1 .0009 <.0005 PCE <br /> MTBE <br /> G rReceived <br /> results from Preliminary Soil Assessment Report dated 1219188. <br /> cal results before are from the"Ground Water Investigation Report dated 417189. Water analytical results after <br /> May and August 1995 Groundwater Sampling Report dated 12120195. <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board Basin Plan? Yes <br /> I <br /> Regions! Board Basin Plan? Yes <br /> Does completed corrective action protect potential beneficial uses per the <br /> Does corrective action protect public health for current land use?-Yes <br /> j Site management requirements: None <br /> Should corrective action be reviewed if land use changes? Yes <br /> r, MonitoringNapor wells decommissioned: Yes Number Decommissioned: 3 Number retained: 0 <br /> List enforcement actions taken: NOR <br /> List enforcement actions rescinded: <br /> I V. Local Agency Representative Data <br />+� Name: Donna Heran Tifle: Director of Environmental'Health <br /># Date: �_�1� <br /> Signature: <br /> VI. Central Valley Regional Water Quality Control.Board (RB) Notification <br /> Dake Submitted toHRB: j8102777:�]Response Date: 2126102. Response: Concurrence <br /> RB Staff: Marty HaTitle: En ineerin st <br /> 4 VII. Additional Comments, Data, etc. <br /> r This document and the related CASE CLOSURE LETTER,Shall be retained by the lead agency as part of the official <br /> site file. <br /> E <br />