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` v ; <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) Ethylbenene .01 <.0005 <br /> TPH (Diesel) 310 .410 Xylene .07 <.0005 <br /> Benzene <.005 <.0005 TCE <br /> Toluene .01 .0007 PCE <br /> MTBE 1<.025 1 1<.005 <br /> Comments: No remediation was performed at this site. The Soil Before Results for TPH-d is from SP1 at 12 feet below <br /> surface, BTEX and MTBE from SP2 at 16 feet below surface. The Groundwater Before Results are from a grab water <br /> sample from SPI which was through the UST location. <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: Number Decommissioned: Number retained: <br /> List enforcement actions taken: NOR <br /> List enforcement actions rescinded: <br /> V. Local Agency Representative Data <br /> Name: Donna Heran Title: Director of Environmental Health <br /> Signature: Date: 7 3 <br /> VI. Centra! Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: 05/27/98 Response Date: 07/06/98 <br /> RB Staff: Mark List Response: Concurrence <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 />