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Case Closure Summary Page 2 <br /> Leak" Underground Fuel Storage Tan.' 'rogram <br /> III. Release and Site Char erization Information (contin&�S <br /> ax1rAm Documented Contaminant Concentrations--Before and After Cleanup_ <br /> Contaminant Soil (ppm) Water (ppB) Contaminant Soil <br /> Before After Before After (ppm) Water (PPB) <br /> Before After Before After <br /> TPH (Gas) <]..0 - ---- Xylene X0.2 <br /> TPH (�7iesel) 330 330 <50 '-'- X0.5 ---- <br /> Benzene _ Ethylbenzene X0.2 �0 5 <br /> Toluene `0'S ---- Oil & Grease ---- ---- <br /> _,-- <br /> ` •2 ---- X0_5 -- Heavymetals <0.01 0. 012 <br /> Other ead) __ - (UNFILTERED) <br /> Comments (Death of Remediation, etc. ) : <br /> ALL ADDITIONAL ASSESSMENT CONDUCTED AROUND THE FORMER WASTE OIL TANK PIT AREA HAS SHOWN I <br /> THE INITIAL LEVELS OF TPH TO BE VERY LIMITED. SAMPLING OF THE MONITORING WELLS AT THE i <br /> SITE HAVE SHOWN NO OR LIMITED GROUNDWATER IMPACT. ****SOIL ONLY**** <br /> IV. Closure <br /> Does completed corrective action protect existing beneficial uses per the Re ional Board <br /> YE5 <br /> Basin Plan? 9 <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 i <br /> Monitoring wells Decommisioned: Yes Number Decommisioned: 3 Number Retained: 0 <br /> List enforcement actions taken: INITIAL DIRECTIVE LETTER j <br /> 1 <br /> i <br /> List enforcement actions rescinded: NONE <br /> I <br /> V. Local Agency Representative Data <br /> Name: DONNA RMAN Title: DIRECTOR, ENVIRONKENTAL HEALTH DIVISION <br /> Signature: Date: <br /> VI. RWQCB Notification 1 <br /> Date Submitted to RB: N/A RB Response: <br /> RWQCB Staff Name: Title: Date: <br /> VII. Additional Comments, Data, etc. <br /> j <br /> ****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 /> r <br />