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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) 3300 ND@ 1 NA <0.05 Ethylbenene 20 ND@.005 NA <0.0005 <br /> Benzene ND @ 50 MD ..00 NA <0.0005 Xylene 210 ND@.005 NA <0.0005 <br /> Toluene ND @ 50 5 NA <0.0005 MTBE NA-1992 ND@.005 NA <0.0005 <br /> N_D@.00 <br /> 5 <br /> Comments: <br /> NA-NOT ANALYZED DURING TANK PULL(DATE 1992) <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 /> MonitoringNapor wells decommissioned: NONE Number Decommissioned: NONE Number retained: NONE <br /> List enforcement actions taken: NONE <br /> List enforcement actions rescinded: NONE ' <br /> 4 <br /> al A enc Representative Data <br /> V. Loc g y p I <br /> Name: Donna.Heran Title: Director of Environmental Health <br /> Signature: Date: <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: 04/13/99 Response Date: <br /> RB Staff MARK LIST Response: No response by 619199 <br /> Title: ENGINEERING GEOLOGIST <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 /> f <br />