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�..� I ./ <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) 0.140 na 25.000 0.210 Ethylbenene 0.024 na 0.034 0.002 <br /> Benzene 0.005 na 0.160 0.033 Xylene 0.003 na 1.600 0.013 <br /> Toluene 0.070 na 3.500 0.010 MTBE na na <0.005 <0.005 <br /> Comments: <br /> NA-NOT ANALYZED <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 apor wells decommissioned:*ES Number Decommissioned*,"umber retained: NOME <br /> List enforcement actions taken: NOF, 'S)tS <br /> List enforcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Name: Donna Heran Title: Director of Environmental Health <br /> Signature: Date: <br /> i l <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: Response Date: <br /> RB Staff: J. Brathovde Response: <br /> Title: Assoc Eng Geologist <br /> VII. Additional Comments, Data, etc. <br /> 11 <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 />