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♦"�zse Closure Summary Page 2 <br /> LeakinIII. e Tank Pr <br /> Release and Site CharacteYizationderund InformationFuelr(continued)t,.._ am <br /> Maximum Documented Contaminant Concentrations--Before and After Cleanup <br /> Contaminant Soil (ppm) Water <br /> Before After Before After Contaminant Soil (ppm) Water (ppm) <br /> Before After Before After <br /> TPH (Gas) ND ND ND ND %yle <br /> TPH (Diesel) ne ,2 Ethylbenzene 2 ND ND ND <br /> Benzene ND ND ND ND Oil & Grease ND ND <br /> ND <br /> TolueneND ND ND ND Heavy y metals <br /> Other <br /> Comments (Depth of Remediation, etc.) : <br /> Contaminated soil removed by excavation. Approximate size of excavation 201% 301% 10' <br /> at longest, widest, and deepest portions of excavation. Soil samples confirmed all <br /> contaminated soil removed. Water samples from monitoring well confirmed no water impact. <br /> IV. Closure <br /> MBas <br /> orrective action protect existing beneficial uses per the Regional Board <br /> ) Noorrective action protect potential beneficial uses er the Re) No P Regional Board <br /> F <br /> ive action protect public health for current land use? (Yes) No <br /> nt requirements: None <br /> tive action be reviewed if land use changes? Yes (No) <br /> lls Decommisioned: (Yes) No Number Decommisioned: 1 Number Retained: 0 <br /> ent actions taken: NOR sent 4/6/93 <br /> List enforcement actions rescinded: <br /> V. Local Agency Representative Data <br /> Name: Donna Heran Title: Director of Environmental Health <br /> Signature: Date: Z— <br /> VI. RWQCB Notification <br /> Date Submitted to RB: RB Response: <br /> RWQCB Staff Name: Title: Date: <br /> VII. Additional Comments, Data, etc. <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 />