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Exhibit N. Page 1 of 2 <br /> 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) 5R ND Xylene 1.1 ND <br /> TPH (Diesel) Ethylbenzene .19 ND <br /> Benzene .093 ND Oil & (Grease <br /> Toluene .56 ND Heavy metals 4.1 <br /> Other <br /> other <br /> Comments (Depth of Remediation, etc.) : <br /> Soil was excavated to a depth of 13.5 feet.: Heavy metals 4.1 ppm Pb taken on 11/19/93 <br /> was not duplicated at time of remediation because levels below 13 ppm Fare considered <br /> background. <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per., the Regional Board <br /> Basin Plan? Yes <br /> Does completed corrective action protect potential beneficial uses per the Regional Board <br /> 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 /> Monitoring wells Decommisioned: Yes No Number Decommisioned: Number Retained: <br /> List enforcement actions taken: <br /> Notice of Reimbursement <br /> List enforcement actions rescinded: None " <br /> V. Local Agency Representative Data <br /> rame: Donna eran Title: Director of Environmental Health <br /> ignature: yio� <br /> VI. RWQCB Notification <br /> Date Submitted to RB: RB Response: <br /> RWQCB Staff Name: Title: Date: <br /> VII. AdditionaV Comments, Data, etc. <br /> Soil Only <br /> r <br /> This document and the related CASE CLOSURE LETTER, Shall be retaineda`by the lead agency <br /> as part of the official site file. (08/24/93) <br /> Exhibit :N Page 2 of 2 <br />