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--.Case Closure Summary Page 2 <br /> N ' " Leaki 4underground Fuel Storage Tank gram <br /> III. riRelease and Site Chara rization Information (continue <br /> ,Maximum Documented Contaminant Concentrations--Before and After Cleanup <br /> / Contaminant Soil (ppm) Water (PPB) Contaminant Soil (ppm) Water (PPB) <br /> ri Before After Before After Before After Before After <br /> TPH (Gas) 2800. 226. ---- c50 Xylene 610. 16.7 ---- 0.8 <br /> TPH (Diesel) ---- ---- ---- ---- Ethylbenzene ---- 6.97 ---- ¢0.3 <br /> Benzene ¢20.0 46.0 ---- 0.4 011 & Grease ---- ---- ---- ---- <br /> Toluene 160. 2.83 ---- 0.5 LEAD metals c5.0 ---- ---- ---- <br /> MTBE I ---- a0.25 ---- ---- Other <br /> Comments (Depth of Remediation, etc.) : <br /> VERY LIMITED RELEASE OF GASOLINE FUEL. CONFINED TO THE SOIL BETWEEN 15, AND 25' BGS. <br /> **** SOIL ONLY **** **** SOIL ONLY **** **** SOIL ONLY **** <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? YES <br /> Monitoring wells Decommisioned: 00 Number Decommisioned:00 Number Retained: 01 <br /> List enforcement actions taken: NONE <br /> List enforcement actions rescinded: NONE <br /> V. Local Agency Representative Data <br /> Name: DONNA HERAN Title: DIRECTOR, ENVIRONMENTAL HEALTH DIVISION <br /> Signature: Date: <br /> VI. RWQCB Notification <br /> Date Submitted to RB: RB Response: <br /> RWQCB Staff Name: SRATHOVDE Tit1e:ASSOC ENG GSOL Date: <br /> VII. Additional Comments, Data, etc. <br /> **** SOIL ONLY **** **** 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 />