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Case Closure Summary Page 2 <br /> Leaking Underground Fuel 3torage Tank Program <br /> III Release and Site Characterization Information (continued) <br /> Maximum Documented Contaminant Concentrations - - Before!and After Cleanup <br /> i <br /> Contaminant Soil (ppm) Water (ppm) C ntaminant Soil (ppm) Water (ppm) <br /> Before After Before After Before After Before After <br /> TPM (Gas) Et iylbenene .0077 <.0005 <br /> TPH (Diesel) 1200 .210 Xylene .120 <.0005 <br /> Benzene <.005 <.0005 T E <br /> Toluene .0078 <.0005 PCE <br /> M BE <.025 <.005 <br /> Comments: Soil Before results are from the soil sample beneath 9 e UST at the time of removal. Soil sample results from <br /> soil probes indicated limited soil contamination so remediation was not necessary so there are not soil results after cleanup. <br /> Water sample results before are from the grab water sample obtair ed from the soil probe placed in the former UST area. <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses F er 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/Vapor wells decommissioned: NA Number Decommissioned: Number retained: <br /> List enforcement actions taken: NOR <br /> List enforcement actions rescinded: <br /> V. Local Agency Representative Data <br /> Name: Margaret Lagorio 7 itle. Supervising REHS <br /> Signature: ate: I �� <br /> VI. Central Valley Regi nal Water Quality Control Board (RB) Notification i <br /> Date Submitted to RB: Response Date: <br /> RB Staff: Mike SmithResponse: <br /> Title: Environmental Specialist II <br /> VII. Additional Comments, Data, etc. <br /> This document and the related CASE CLOSURE LETTER, Shall be retained by the lead agency as part of the official <br /> site file. <br />