Laserfiche WebLink
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) 4 <1 <.05 <05 Et ylbenene <.3 <.005 <.0005 <,0005 <br /> TPH(Diesel) 51 <1 .840 .210 Xylene <.9 <.005 <.0005 <,0005 <br /> Benzene <.3 <.005 <.0005 <0005 <br /> Toluene <.3 <.005 <.0065 <0005 MTBE NA <.005 <.001 c001 <br /> i <br /> Comments: All levels in ppm. Soil Before levels from Soil Boring 4 in area of UST#1 removed prior to 1984 at 21 feet <br /> below surface grade. Soil beneath UST#2 was non detect for con aminants at time of removal on 9116199. Soil After levels <br /> are from Monitoring wells 1 &2 in area of UST's 1 &2 on 1217199. Groundwater Before levels are from monitoring well <br /> MW1 on 12116199. Groundwater After levels are from MW 1 on 112D/01. Soil and groundwater contamination in the <br /> unknown source area are not included in this table. No remediation was required. <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? Yes <br /> Monitoring/Vapor wells decommissioned: Yes Number Decommissioned: 3 Number retained: 0 <br /> List enforcement actions taken: NOR <br /> List enforcement actions rescinded: None <br /> V. Local Agency Representative Data <br /> Name: Donna Heran I itle: Director of Environmental Health <br /> Signature: ILate: <br /> VI. Central ValleyTlegional Water Quality Control Board (RB) Notif ication <br /> Date Submitted to RB: 01/02/02 esponse Date: 02/04/02 <br /> RB Staff: Marty HartzellResponse: Concurrence <br /> Title:Associate Engineering Geologist <br /> VII. Additional Comments, Data, etc. <br /> This document and the related CASE CLOSURE LETTER, Shal I be retained by the lead agency as part of the official <br /> site file. <br />