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--iaking Underground Fuel Storage Tank P m <br /> III Release and Site Characterization Information (continued) <br /> Maximum Documented Contaminant Concentrations --Before and After Cleanup <br /> I <br /> Contaminant Soil (ppm) Water (ppm) Contaminant Soil (ppm) Water (ppm) <br /> Before After Before After Before After Before After <br /> TPH (Gas) ND NA NA NA Ethylbenzene NO NO NA NA <br /> TPH (Diesel) 1800 48 NA NA Xylene NO 'ND NA NA <br /> Benzene NO NO NA NA Gil &Grease NS NS NA NA <br /> Toluene ND NO NA NA Heavy Metals NS NS NA NA <br /> Mineral Spirits NS NS NA NA Lead NS NS NA NA <br /> MTBE NS NS NA NA <br /> Comments (Depth of Remediation, etc.): Preliminary soil investigation revealed no evidenc&of a diesel release which <br /> requires remediation in the former 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 Pfan? (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 wells decommissioned: (NA) Number Decommissioned: NA Number retained: NA <br /> List enforcement actions taken: NOR sent <br /> List enforcement actions rescinded: None <br /> V. Local Agency Representative Data <br /> Name: Donna Heran Title: Director of Environmental Health <br /> Signature:`7/1r1 - - Z--t1> Date:' Z 3 <br /> VI. Central Valley Regional Water Quality Control Board (RB) Notification <br /> Date Submitted to RB: Response Date: <br /> RB Staff: J. Brathovde Response: <br /> Title: Assoc Eng Geologist <br /> I� <br /> VII. Additional Comments, Data, etc. <br /> Soil only <br /> This document and the related CASE CLOSURE LETTER, Shall be retained by thellead agency as part of the <br /> official site file. (08124193) Exhibit N Page 2 of 2 <br />