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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 /> FMaximumcumented Contaminant Concentrations--Before and After Cleanup <br /> t Soil (ppm) Water (ppm) Contaminant Soil (ppm) Water (ppm) <br /> Before After Before After Before After Before After <br /> 12,000 <1.0 NA NA Xylene 2,000 <.005 NA NA <br /> TPH (Diesel) , N/A <10. NA NA Ethylbenzene 280 <.005 NA NA <br /> Benzene100 <.005 NA NA Oil & Grease 3,600 30 NA NA <br /> Toluene 620 <.005 NA NA Heavy metals NA NA <br /> Other NA NA Other NA NA <br /> Comments (Depth of Remediation, etc.) : <br /> WASTE OIL PIT ONLY REQUIRED REMEDIATION. OVEREXCAVATION TO 17' BGS & 19' BGS <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per the Regional Board <br /> Basin Plan? (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: <br /> Should corrective action be reviewed if land use changes? Yes (No) <br /> Monitoring wells Decommisioned: Yes No Number Decommisioned:N/A Number Retained: <br /> List enforcement actions taken:NOR ONLY VIA CERTIFIED MAIL (LEVEL 1) <br /> List enforcement actions rescinded: <br /> V. Local Agency Representative Data <br /> Name:DONNA ERAN Title:DIRECTOR PHS/EHD <br /> Signature: Date: is-2-5-947 <br /> VI. RWQCB Notification <br /> Date Submitted to RB: N/A RS Response: <br /> RWQCB Staff Name: Title: Date: <br /> VII. Additional Comments, Data, etc. <br /> SOIL SITE ONLY. NO THREAT TO GROUNDWATER. <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 />