Laserfiche WebLink
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) 94. NA .084 NA Ethyl-benzene <.025 <.005 <.0005 <.0005 <br /> TPH (Diesel) 3200. 42. 57. .130 Xylene <.025 <.005 <.0005 <.0005 <br /> Benzene <.025 <.005 <.0005 <.0005 MTBE <.05 <.005 <.0005 <.0005 <br /> Toluene <.025 <.005 <.0005 <.0005 <br /> Comments: Soil Before results are from soil beneath the UST when it was removed on 6115104 except TPH gas <br /> which is from SB1 at 25 feet on 318105. Soil After results are from B3 at 10 feet on 1113/09. Water Before <br /> results are from SB-1W on 3/8105. Water After results are from MWII on 1/13109. <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per Regional Board Basin Plan? Yes <br /> Does completed corrective action protect potential beneficial uses per 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 /> Have the MonitoringNapor wells been decommissioned? Yes Number Decommissioned: 3 <br /> Number retained: 0 <br /> List enforcement actions taken: NOR, 8-17-04 <br /> List enforcement actions rescinded: none <br /> V. Local Agency Representative Data <br /> Name: Donna Heran Title: Director of Environmental Health <br /> Signature: PJB Date: <br /> VI. Central Valley Regional Water Quality Control Board RB Notification <br /> Date Submitted to RB: July 1, 2009 Response Date: July 16, 2009 <br /> RB Staff: James L.L. Barton Response: concurrence <br /> Title: Engineering Geologist <br /> VII. Additional Comments, Data, etc. <br /> 11 1 <br /> This document and the related CASE CLOSURE LETTER shall be retained by the lead agency as part of the <br /> official site file. <br /> Mil 10109 <br />