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HBF REHL La I H I k UteI lb bul TdDoul: JUN Vi yj 11 1 I iiu vu-, r <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 Cleanuplinvestigation <br /> (ppm <br /> Contaminant Soil (ppm) Water ) Contaminant Soil (ppml Water (ppm) <br /> Before After Before After Before After Before After <br /> iTPH (Gas) NA NA NA NA Xylene ND NO 027 ND <br /> TPH (Diesel) 220 NO 53 NO Ethyibenzene NO NO 002 NO <br /> Benzene NO NO NO NO USI b Grease NA NA NA NO <br /> Toluene NO NO 002 NO Heavy Metals NA NA NA NO <br /> MTBE NA NA NA NO <br /> Comments <br /> IIV Closure <br /> Does completed correOve action protect existing benehCldl uses per the Regional Board Basin Plan) YES <br /> Does completed corrective action protect potential beneficial uses per the Regional Board Basin Ptan? YES <br /> Does corrective action protect public health for current lane! use? YES <br /> Site management requirements NONE <br /> Should corrective action be reviewed if land use changes? YES J <br /> IMonitoring/Vapor wells decommissioned NO Number Decommissioned 0 Number retained 3 <br /> List enforcement actions taken NOR <br /> IList enforcement actions rescinded <br /> V Local.Agency Representative Data <br /> Name MARGARET LAGORIO, REHS Title SUPERVISOR, SITE MITIGATION UNIT <br /> Signature - I r �-�/�- Date <br /> VI Central Valley Regional Water Quality Control Board(RB) Notification <br /> Date Submitted to RS Response Date <br /> I RB Staff MARK LIST Response <br /> Tale ENGINEERING GEOLOGIST <br /> w <br />` VII Additional Comments, data, etc <br /> I i <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 />