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tease (:Iosure summary Page 2 <br /> Leak,-- Underground Fuel Storage Tank` -Zzlogram <br /> Tom. Release and Site Cha. ° erization Information (continu�/ <br /> + Maximum Documented Contaminant Concentrations--Before and After Cleanup <br /> Contaminant Soil (ppm) Water (APB) Contaminant Soil (ppm) Water (PPB) <br /> Before After Before After Before After Before After <br /> TPH (Gas) <1.0 ---- ---- ---- Xylene <0.2 ---- <0.5 ---- <br /> TPH (Diesel) 330 330 <50 ---- Ethylbenzene <0.2 ---- <0.5 <br /> Benzene <0.2 ---- <0.5 ---- Oil & Grease ---- ---- -__- <br /> Toluene <0.2 ---- <0.5 ---- Heavy metals <0.01 ---- 0.012 <br /> Other (lead) (UNFILTERED) <br /> Comments (Depth of Remediation, etc.) : <br /> ALL ADDITIONAL ASSESSMENT CONDUCTED AROUND THE FORMER WASTE OIL TANK PIT AREA HAS SHOWN <br /> THE INITIAL LEVELS OF TPH TO BE VERY LIMITED. SAMPLING OF THE MONITORING WELLS AT THE <br /> SITE HAVE SHOWN NO OR LIMITED GROUNDWATER IMPACT. ****SOIL ONLY**** <br /> IV. Closure <br /> i <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 Phan? 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 <br /> Monitoring wells Decommisioned: Yes Number Decommisioned: 3 Number Retained: 0 <br /> List enforcement actions taken: INITIAL DIRECTIVE LETTER <br /> i <br /> List enforcement actions rescinded:' NONE <br /> V. Local. Agency Representative Data <br /> i <br /> Name: DONNA URAN T <br /> gnaitle: DIRECTOR, ENVIRONMENTAL HEALTH DIVISION <br /> Siture: Date: <br /> VI. RWQCB Notification <br /> Date Submitted to RB: N/A RB Response: <br /> 1 <br /> RWQCB Staff Name: Title: Date: <br /> VII. Additional Comments, Data, etc. <br /> I <br /> ****SOIL ONLY**** <br /> 1 <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 Z of 2 <br /> i <br /> i <br /> d <br />