ENS 56606
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ENS Event | |
|---|---|
20:30 Jul 3, 2023 | |
| Title | Offsite Notification |
| Event Description | The following information was provided by the licensee via phone and email:
At 1530 [EDT] on July 3, 2023, Constellation Generation Company, LLC reported to the Illinois Environmental Protection Agency and the Illinois Emergency Management Agency and Office of Homeland Security (IEMA-OHS) that tritium concentrations in existing monitoring wells in a known [10 CFR] 50.75(g) recovery area were found higher than normal [at Quad Cities Nuclear Generating Station]. This higher than normal tritium concentration did not exceed any NRC regulations or reporting criteria and there is no indication of a liquid release beyond the site boundary. This notification is being made solely as a four-hour, non-emergency notification for a notification of other government agency in accordance with 10 CFR 50.72(b)(2)(xi). There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified. |
| Where | |
|---|---|
| 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:+-3.45 h-0.144 days <br />-0.0205 weeks <br />-0.00473 months <br />) | |
| Opened: | Lincoln Brown 17:03 Jul 3, 2023 |
| NRC Officer: | Ernest West |
| Last Updated: | Jul 3, 2023 |
| 56606 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
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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