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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) Xylene <br /> TPH (Diesel) Ethylbenzene <br /> Benzene Oil & Grease <br /> Toluene Heavy metals 48 12 <br /> Other other <br /> Comments (Depth of Remediation, etc.): <br /> Lead detected at time of tank removal. Detection limits for other analysis not <br /> stringent enough. Further investigation indicated no contamination remaining. <br /> IV. Closure <br /> [[Basincom1p,n? <br /> s leted corrective action protect existing beneficial uses per the Regional Board <br /> (Yes) No <br /> Does completed corrective action protect potential beneficial uses per the Regional Board <br /> Basin Plan? (Yes) No <br /> Does corrective action protect public health for current land use? (Yes) No <br /> Site management requirements: None <br /> Should corrective action be reviewed if land use changes? Yes (NO) <br /> Monitoring wells Decommisioned: Yes No Number Decommisioned: Number Retained: <br /> List enforcement actions taken: Notice of Reimbursement <br /> List enforcement actions rescinded: <br /> V. Local Agency Representative Data <br /> Name: Donna !ran Title: Director of Environmental Health <br /> Signature: I Date: <br /> VI. RWQCB Notification <br /> Date Submitted to RB: RB Response: <br /> RWQCB Staff Name: Title: Date: <br /> VII. Additional Comments, Data, etc. <br /> SOIL ONLY <br /> This document and the related CASE CLOSURE LETTER, Shall be retained by the lead agency <br /> as part of the official site file. (08/24/93) <br /> Exhibit N Page: 2 of 2 <br />