05000400/FIN-2013003-02
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Finding | |
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| Title | Evaluate the Effects of Environmental Air Samplers Collecting Diluted Airborne Particulate Samples |
| Description | The inspectors identified an Unresolved Item (URI) regarding environmental air samplers that may not be collecting particulate samples that are representative of actual airborne radionuclide concentrations. During an observation of environmental sample collection, the inspectors noted that three of the nine environmental air samplers (locations 63, 90, and 91) contained a housing fan that appeared to blow exhaust air directly onto the inlet of the particulate/iodine sampling head. The inspectors also noted that the interior walls of the air sampler housing contained a fibrous insulation media that appeared to act as a mechanical filter due to the particulate loading stains readily visible. Since the housing fan draws air from the interior of the enclosure, and blows the exhaust directly onto the air sampler intake, the potential exists for the air sampler to collect a non-representative (diluted) sample. This arrangement could result in a non-conservative measurement of airborne particulate radionuclide concentrations. Discussions with environmental monitoring staff indicated that the three air samplers in question have been in service for approximately five years. The inspectors concluded that more information is required to determine if there is a performance deficiency. URI 05000400, 2013003-02 Evaluate the Effects of Environmental Air Samplers Collecting Diluted Airborne Particulate Samples. |
| Site: | Harris  |
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| Report | IR 05000400/2013003 Section 2RS7 |
| Date counted | Jun 30, 2013 (2013Q2) |
| Type: | URI: |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71124.07 |
| Inspectors (proximate) | A Alen A Butcavage A Nielsen G Hopper J Austin J Laughlin J Rivera M Catts M Coursey P Lessard T Fanellia Butcavagea Nielsen G Hopper J Austin P Lessard R Pursley |
| INPO aspect | |
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Finding - Harris - IR 05000400/2013003 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Harris) @ 2013Q2
Self-Identified List (Harris)
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