ENS 55132
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ENS Event | |
---|---|
22:23 Mar 10, 2021 | |
Title | Notification of Environmental Report to Another Government Agency |
Event Description | On March 10, 2021, Exelon reported an unpermitted release of a radionuclide (i.e., tritium) into the groundwater within the site boundary at Quad Cities Nuclear Power Station to the Illinois Environmental Protection Agency (IEPA) and the Illinois Emergency Management Agency (IEMA) in accordance with Illinois state regulations. There has been no detection of the release beyond the site boundary. The suspected source for the increased groundwater tritium levels is an onsite water storage tank or pipe; however, an investigation is in progress and the exact cause and source is not yet known. The increase in groundwater tritium concentration does not exceed any NRC regulations or reporting criteria. This notification is being made solely as a four-hour, non-emergency notification for a Notification of Other Government Agency.
There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. |
Where | |
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Quad Cities Illinois (NRC Region 3) | |
Reporting | |
10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
Time - Person (Reporting Time:+-3.95 h-0.165 days <br />-0.0235 weeks <br />-0.00541 months <br />) | |
Opened: | Derek Drockelman 18:26 Mar 10, 2021 |
NRC Officer: | Brian Lin |
Last Updated: | Mar 10, 2021 |
55132 - NRC Website
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Unit 1 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (85 %) |
After | Power Operation (85 %) |
Unit 2 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
WEEKMONTHYEARENS 566062023-07-03T20:30:0003 July 2023 20:30:00
[Table view]10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification ENS 559222022-06-01T15:43:0001 June 2022 15:43:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Siren Activation ENS 551322021-03-10T22:23:00010 March 2021 22:23:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Notification of Environmental Report to Another Government Agency ENS 532992018-03-29T20:00:00029 March 2018 20:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Unpermitted Tritium Release within the Site Boundary ENS 523682016-11-16T16:10:00016 November 2016 16:10:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Activation of Emergency Sirens and News Release During Emergency Planning Exercise ENS 495892013-11-27T20:46:00027 November 2013 20:46:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Non-Occupational Death On-Site ENS 444412008-08-27T14:50:00027 August 2008 14:50:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification and Press Release Due to Inadvertent Airing of a Emergency Broadcast Message ENS 437202007-10-12T21:04:00012 October 2007 21:04:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Made Due to Elevated Levels of Tritium 2023-07-03T20:30:00 | |
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