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ff � Ii41 <br /> 0' <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) Contaminant Soil (ppm) Water (ppm) <br /> Before After Before After Before After Before After <br /> TPH (Gas) Ethylbenene .01 <.0005 <br /> TPH (Diesel) 310 .410 Xylene .07 <.0005 k <br /> Benzene <.005 <.0005 TCE <br /> Toluene .01 .0007 PCE <br /> MTBE 1<.025 1 1<.005 <br /> Comments: No remediation was performed at this site. The Soil Before Results for TPH-d is from SPI at 12 feet below <br /> surface, BTEX and MTBE from SP2 at 16 feet below surface. The Groundwater Before Results are from a grab water <br /> sample from SP1 which was through the UST location. <br /> IV. Closure <br /> i <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 Plan? Yes <br /> x <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? No <br /> Monitoring/Vapor wells decommissioned: Number Decommissioned: Number retained: <br /> List enforcement actions taken: NOR <br /> List enforcement actions rescinded: } <br /> I <br /> V. Local Agency Representative Data <br /> Name: Margaret Lagodo Title: Supervising REHS j <br /> Signature: Date: <br /> II <br /> VI. Central Valley Regional Water Quality Control.Board (RB) Notification <br /> Date Submitted to RB: Response Date: <br /> RB Staff: P. Anderson Response: <br /> Title: Hydrogeologist <br /> VII. Additional Comments, Data, etc. <br /> 4 <br /> This document and the related CASE CLOSURE LETTER, Shall be retained by the lead agency as part of the official <br /> site fine. <br /> I <br />