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On October 10, 2012, at 1633 (CDT), Kewaun … On October 10, 2012, at 1633 (CDT), Kewaunee Power Station staff identified (in response to concerns raised by the NRC Resident Inspector) that the Containment and Auxiliary Building SPING (Special Particulate Iodine Noble Gas) units could likely not have been relied upon to determine Emergency Classifications based on the Kewaunee Emergency Action (EAL) Level Matrix. This was due to these SPINGs having been nonfunctional during the period from 2/28/2011 at 0150 (CDT) until 3/30/2011 at 1845 (CDT). Alternate radiation monitoring capability remained available to provide indication of radiation levels in the Auxiliary Building and Containment vent stacks; however, they would not have been sufficient to identify the upper two emergency action levels. Alternate means (e.g., grab samples) could also have been used to make the appropriate declarations. However, use of the alternate means could potentially impair the plant's ability to declare an emergency in a timely manner.</br>These SPING units had been returned to service on 3/30/2011 and were subsequently available for EAL classifications. However, the ramification of this condition was not fully recognized until today.</br>This condition is being conservatively reported in accordance with 10CFR50.72(b)(3)(xiii) as an event that results in a major loss of emergency assessment capability. </br>The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified. +
21:33:00, 10 October 2012 +
48,397 +
18:34:00, 10 October 2012 +
21:33:00, 10 October 2012 +
On October 10, 2012, at 1633 (CDT), Kewaun … On October 10, 2012, at 1633 (CDT), Kewaunee Power Station staff identified (in response to concerns raised by the NRC Resident Inspector) that the Containment and Auxiliary Building SPING (Special Particulate Iodine Noble Gas) units could likely not have been relied upon to determine Emergency Classifications based on the Kewaunee Emergency Action (EAL) Level Matrix. This was due to these SPINGs having been nonfunctional during the period from 2/28/2011 at 0150 (CDT) until 3/30/2011 at 1845 (CDT). Alternate radiation monitoring capability remained available to provide indication of radiation levels in the Auxiliary Building and Containment vent stacks; however, they would not have been sufficient to identify the upper two emergency action levels. Alternate means (e.g., grab samples) could also have been used to make the appropriate declarations. However, use of the alternate means could potentially impair the plant's ability to declare an emergency in a timely manner.</br>These SPING units had been returned to service on 3/30/2011 and were subsequently available for EAL classifications. However, the ramification of this condition was not fully recognized until today.</br>This condition is being conservatively reported in accordance with 10CFR50.72(b)(3)(xiii) as an event that results in a major loss of emergency assessment capability. </br>The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified. +
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Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
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21:33:00, 10 October 2012 +
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