Laserfiche WebLink
Y %.001 4e <br /> Case Closure Summary Page 2 <br /> Leaking Underground Fuel Storage Tank Program <br /> II! 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) 1200 <1 <.05 <.05 Xylene 7 .135 <.0003 <.0003 <br /> TPH (Diesel) 18,000 1550 <.05 NA Ethylbenzene 1.3 .045 <.0003 <.0003 <br /> Benzene <.160 <.003 <.0003 <.0003 Oil&Grease NA <br /> Toluene <.160 .027 <.0003 <.0003 Heavy Metals <.005 NA NA <br /> MTBE .310 <.005 NA <br /> Comments: <br /> Soil before results are from a soil sample collected below the 12,000 gallon UST at the time of its removal. The soil sample <br /> was from 12 feet below surface. Soil after results are from MW1 at 20 feet below surface. Water before results are from <br /> MW 1 on 10122101. Water after results are from MW 1 on 6114104. No remediation was performed at this site, ground water <br /> was samples for 3 years with no detection reported. <br /> 1V. Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board Basin Pian?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 installed :1 Number Decommissioned:1 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 List enforcement actions rescinded: NA 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, Environmental Health Department <br /> Signature: Date: <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: Response Date: March 5, 2005 <br /> RB Staff: J. Barton Response: Concurrence <br /> Title: Eng. Geologist <br /> VII. Additional Comments, Data, etc. <br /> SOIL ONLY CASE. <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 />