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Case Closure Summary Pa <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) NA ; ND NA NO Xylene ND NO NA NO <br /> TPH (Diesel) 290: ND NA ND Ethylbenzene NO ND NA NO <br /> Benzene NO NO NA NO Oil&Grease NA NO NA NA <br /> Toluene NO NO NA NO Heavy Metals NA NA NA NA <br /> MTBE NA NO NA NO <br /> Comments: <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 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: 0 Number Decommissioned: 0 Number:retained: 0 <br /> List enforcement actions taken: NOR <br /> 4 <br /> List enforcement actions rescinded: NONE . <br /> 11 <br /> V. Local Agency Representative Data <br /> H <br /> Name: DONNA HE , REHS Title:: DIRECTOR; ENVIRONMENTAL HEALTH DIVISION <br /> Signatur Date: <br /> r <br /> l Valley Regional Water Quality Control Board (RB) Notification <br /> mitted to RB: OCTOBER 4, 1999 Response Date: NOVEMBER 8, 1999 <br /> MICHAEL SMITH Response: CONCURRANCE <br /> VIRONMENTAL SPECIALIST it <br /> VII., Additional Comments, Data, etc. <br /> SOiL ONLY <br /> i <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 /> it <br /> e <br /> •i <br />