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Leaking Underground Fuel Storage Tank Program <br /> N%..i <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) 7600ppm NA NA <br /> Xylene 218 ppm <br /> TPH Bunker Oil 9600 ppm <br /> 15, <br /> TPH Diesel 6500ppm <br /> at 15, <br /> Comments: Limited contamination which did not require clean up. Soil samples non-detect at 20 feet. Clay soil at 20 feet <br /> below surface grade, groundwater apprx. 45 feet. <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? NO <br /> Monitoring/Vapor wells decommissioned: NONE ON SITE <br /> List enforcement actions taken: NOR January 17, 1995 <br /> List enforcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Name: Donna Heran/Margaret Lagorio Title: Director of Environmental Health/REHS Supervisor <br /> Signature: L=,�2 Date: (a ( L( <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: Response Date: <br /> RB Staff: Mark List Response: <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 />