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Case Closure Summary : Exhibit N F, 1 of 2 <br /> 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 /> Contaminant Soil (ppm) Water (ppm) <br /> ` Before 3 After Before After <br /> TPHdiesei 3310 ppm ND <br /> BTEX ND <br /> MTBE ND <br /> -No remediation required. 'Soil before results were from soil sampled at the time of UST removal. Soil after results were <br /> from preliminary assessment borings. (These samples were analyzed for TEPH diesel only.) <br /> IV. Closure <br /> l ' <br /> Does completed corrective action protect existing beneficial uses per the Regional Board Basin Plan? Yes <br /> f <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? Yes <br /> Site management requirements: none <br /> Should corrective action be reviewed if land use changes? YES <br /> Monitoring wells decommissioned: NA Number'Decommissioned: NA Number retained: 0 <br /> List enforcement actions taken: NOR sent <br /> List enforcement actions rescinded: None <br /> V. Local Agency Representative Data <br /> ry <br /> Name: Donn eran Title: Director of Environmental Health <br /> Signature: Date: �7 9 <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: Feb. 22, 1999 Response Date: NIA <br /> RB Staff: Mark List Response: None <br /> Title: Engineering Geologist <br /> VII. Additional Comments, Data, etc. <br /> i- <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 <br /> official site file. (08124193) Exhibit N Page 2 of 2 <br />} <br />