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Case Closure Summary : Exhibit N P', 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 After Before After <br /> 7PHdiese1 3390 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 TERN diesel only.) <br /> IV. Closure <br /> It 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 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 List enforcement actions rescinded: None 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 /> Name: Donna Heran Title: Director of Environmental Health . /'eruu, tEkS <br /> Signature: Date: ;)- 1$ <br /> VI. Central Valley Regional Water Quality Controi Board (RB) Notification <br /> Date Submitted to RB: Response Date: <br /> RB Staff: w $ Response: <br /> Title: <br /> VII. Additional Comments, Data, etc. <br /> Soil only. <br /> This document and the related CASE CLOSURE LETTER,Shall be retained by the lead agency as part of the <br /> 14 <br /> official site file. (08124/93) Exhibit N Page 2 of 2 <br />