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i <br /> Case Closure Summary Page 2 <br /> LeakingUnderground Fuel Storage Tank Program <br /> III Release and.,Slte.::Characterization information (continued) <br /> kaxlmumormCedConlinant.Goricentrations.-Before and After Cleanup <br /> Water (ppm). <br /> m water. (ppm) Contaminant Soli (POM) . .. <br /> SoilP Before After Before Auer <br /> fter Before After ¢005 <.005 <:0005 x.0005: <br /> c,05 x,73 EthylN,enerae <br /> i � �c.0005.: <br /> a C10a: e.ti�5 0005: <br /> c:05 .130 Xylene <br /> "05: c;0005 {.0005 MTSE x.005 �.$ 1+f6 <br /> A05: r{l005 {.0005 <br /> Comments: Soil Before data is from samples obtained beneath the USTs'removed in October 1998 at 10.5-feet. Soil After <br /> data is from CPT-1 UIVVon 5/12/04. Water Before data is from I `1 on 4/28/00, Water After data is front:MW8 on 612/09. <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 Plane Yes <br /> Does corrective action protect public 17ealth for current land use? Yes <br /> Site management requirements: None <br /> Should corrective action be reviewed if land use changes? Yes <br /> Monitoring/Vapor wells decommissioned:Yes Number Decommissioned:22 Number retained: 0 <br /> List enforcement actions taken: NCR <br /> List enforcement actions rescinded: None <br /> V. Local Agency. epresentative Data <br /> Name: Donna Heran Title: Director, Environmental-Health Department <br /> Signature: Date: <br /> V1, Central Valley Regjonai Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: 11/16/09 Response Date: 12/13/09 <br /> RB Staff:James L.E.. Barton Response:Concurrence: <br /> Title: Enqineering Geologist <br /> VH. Additional Comments Data.;:etc. <br /> site file: <br /> This document and the related CASE CLOSURE LETTER shall be retained by the lead agency as part of the ofFlciai <br />