05000255/FIN-2010004-07
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Finding | |
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| Title | Description of Liquid Waste Incidents |
| Description | The inspectors identified an Unresolved Item regarding the licensees description of liquid waste incidents in the UFSAR. Specifically, Section 14.20 of the UFSAR does not accurately describe tank T-91 and does not discuss how T-91 meets the license of the facility. During review of radioactive effluents, the inspectors indentified an unresolved item regarding the description of the liquid waste incident in UFSAR Section 14.20. The UFSAR states that a radioactive liquid leak or spill will be retained within the facility or within 10 CFR 20 limits. Liquid storage tank T-91 often contains tritiated liquid with concentrations greater than the Part 20 effluent limit of .001 uCi/ml. Therefore, the Chapter 14 accident analysis does not accurately reflect the operation of the tank. The inspectors reviewed NUREG-0800, rev. 2 for guidance on acceptable accident analysis for radioactive liquid accidents. NUREG-0800 establishes acceptance criteria to limit releases during tank failures to Part 20 limits at the nearest potable water well or unrestricted area. NUREG-0800 also accepts the use of special systems to meet 29 Enclosure these limits. Since the design and construction of Palisades pre-dates NUREG-0800, this criteria may not apply. However, 10 CFR 50.71 establishes criteria for maintaining the UFSAR up to date. Therefore, the inspectors concluded that the UFSAR should describe how tank T-91 meets the facility license. Since the basis for the acceptability of tank T-91 is not clear, the inspectors could not determine whether the licensee meets regulatory requirements nor can the inspectors assess the significance of an associated performance deficiency. There is no current safety concern because the tank activity would be significantly diluted. In addition, if elevated activity was detected, mitigative action could be taken to reduce ingested quantities to meet the requirements of 10 CFR 20. Therefore, until the license requirements can be determined, the NRC will treat this issue as an unresolved item. (URI 05000255/2010004-07) |
| Site: | Palisades  |
|---|---|
| Report | IR 05000255/2010004 Section 4OA5 |
| Date counted | Sep 30, 2010 (2010Q3) |
| Type: | URI: |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | |
| Inspectors (proximate) | J Cassidy J Ellegood J Giessner T Taylorj Cassidyj Ellegood T Taylor |
| INPO aspect | |
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Finding - Palisades - IR 05000255/2010004 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Palisades) @ 2010Q3
Self-Identified List (Palisades)
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