Laserfiche WebLink
Case Closure Summary Page <br /> Leaking Underground Fuel Storage Tank-Program <br /> IIhRelease 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) 5,400 2.4 10, <0.05 Xylene 510 <0.005 1.1 <0.0005 <br /> TPH(Diesel) NA NA NA NA Ethylbenzene 96- <0.005 1.7 <0,0005 <br /> Benzene 8.4 <0.005 0.31 <0.0005 Oil&Grease NA NA NA NA <br /> Toluene 86 <0.005 . 0.44 40.0005 Heavy Metals NA NA NA NA } <br /> MTBE IA.6 I<0'.005 1.4' 10.092 <br /> Fconcentrations <br /> nts: The soils before concentrations are from sample MW-2 collected at 5.5 feet bsg pre-remediation; soils after <br /> rations are from sample BH-H collected at 4 feet bsg post-remediation. The groundwater-before and after <br /> are from monitoring well MW-2. <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 /> ' R <br /> Does corrective action protect public health for current land use? Yes <br /> Site management requirements: NFAR <br /> Should corrective action be reviewed if land use changes?Yes <br /> MonitoringNapor wells Decommissioned?Yes Number Decommissioned:20 Number retained: 0 <br /> List enforcement actions taken: NOR sent to RP <br /> List enforcement actions rescinded: NA <br /> V. Local Agency Representative Data <br /> Name: Donna Heran; REHS Title: Director <br /> Signature: Date: Z_ 01-11 <br /> VI. Central Valley Regional Water Quality Control Board R8 Notification <br /> I <br /> Date Submitted to RB:August 26, 2011 Response Date: September 15, 2011 <br /> RB Staff: James Barton, PGResponse: No Further Action°Required Concurrence <br /> Title: Engineering Geolo ist <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 /> . II <br />