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3king Underground Fuel Storage Tank P am <br /> 111 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) ND ND NA NA Ethylbenzene ND ND ND ND <br /> TPH (Diesel) 3.3 ND NA ND Xylene ND ND ND ND <br /> Benzene ND ND NA ND Oil & Grease NA NA ND ND <br /> Toluene ND ND NA .0042 Heavy Metals NA NA ND ND <br /> Mineral Spirits Lead 46 46 ND ND <br /> Comments:. <br /> SITE CLOSURE GRANTED BASED UPON PRELIMINARY INVESTIGATION. <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: <br /> Should corrective action be reviewed if land use changes? (Yes) <br /> Monitoring wells decommissioned: (NO) Number Decommissioned: (0) Number retained: (0) <br /> List enforcement actions taken: NOR sent 11/28/94 <br /> List enforcement actions rescinded: None <br /> V. Local Agency Representative Data <br /> Name: Donn eran Title: Director of Environmental Health <br /> Signature: Date <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 /> VII. Additional Comments, Data, etc. <br /> SITE IS LOCATED WITHIN LAWRENCE LIVERMORE LAB TCE PLUME <br /> This document and the related CASE CLOSURELETTER, a l be retained by the lead agency as part of the official <br /> site file. (08/24/93) Exhibit N Page 2 of 2 <br />