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ENS 45971
Show incoming properties
Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness +  and 10 CFR 50.72#b3xiii +
Current power
100  +
Current reactor mode
Power Operation +
Description
At 1239 CDT on June 1, 2010, Byron Station … At 1239 CDT on June 1, 2010, Byron Station Technical Support Center (TSC) ventilation (OW25C), filtration system was identified as nonfunctional. This failure affects the ability of the TSC ventilation to maintain adequate radiological habitability in the event of an emergency with an airborne radiological release. All other capabilities of the TSC are unaffected by this emergent condition. Currently, troubleshooting/investigation is being performed. This condition is considered a major loss of emergency assessment capability and is reportable under 10CFR50.72(b)(3)(xiii).</br>The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified.  +
Discovered date
17:39:00, 1 June 2010  +
ENS id number
45,971  +
Emergency Facility
Technical Support Center +
Emergency class
Non Emergency +
Entered date
18:03:00, 1 June 2010  +
Event date
17:39:00, 1 June 2010  +
Event description
At 1239 CDT on June 1, 2010, Byron Station … At 1239 CDT on June 1, 2010, Byron Station Technical Support Center (TSC) ventilation (OW25C), filtration system was identified as nonfunctional. This failure affects the ability of the TSC ventilation to maintain adequate radiological habitability in the event of an emergency with an airborne radiological release. All other capabilities of the TSC are unaffected by this emergent condition. Currently, troubleshooting/investigation is being performed. This condition is considered a major loss of emergency assessment capability and is reportable under 10CFR50.72(b)(3)(xiii).</br>The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified.  +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
ENS 45971 +, ENS 45971 +, ENS 45971 +, ENS 45971 +, ENS 45971 +, ENS 45971 +, ENS 45971 +, ENS 45971 +, ENS 45971 +, ENS 45971 +, ENS 45971 +, ENS 45971 +, ENS 45971 +  and ENS 45971 +
Initial power
100  +
Initial reactor mode
Power Operation +
Last update date
00:00:00, 1 June 2010  +
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>.
02:09:35, 2 March 2018  +
NRC officer
Howie Crouch +
Notification date
18:03:00, 1 June 2010  +
Originated by
Bryan Currier +
Reactor critical
true  +
Reactor scram
false  +
Reactor type
Westinghouse PWR 4-Loop +
Region
NRC Region 3 +
Reporting criterion
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness +
Reporting time
0.0167 d (0.4 hours, 0.00238 weeks, 5.4792e-4 months)  +
Site
Byron +
Start date
17:39:00, 1 June 2010  +
State
Illinois +
Title
Technical Support Center Ventilation System Discovered to Be Non-Functional  +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.
http://www.nrc.gov/reading-rm/doc-collections/event-status/event/2010/20100602en.html#en45971  +
Unit
1  +  and 2  +
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