ENS 53323
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ENS Event | |
---|---|
09:42 Apr 11, 2018 | |
Title | Offsite Notification Due to Hydrazine Spill |
Event Description | On April 11, 2018, a hydrazine spill resulted in measurable hydrazine levels released at the station outfall to the Susquehanna River over an approximately 16 minute time period. The hydrazine levels exceeded the station NPDES [National Pollutant Discharge Elimination System] permit effluent limitations. The Industrial Waste Treatment system release to the river was secured and no further hydrazine was released to the river.
The concentrations released did not threaten the downstream users or the environment. Pennsylvania Department of Environmental Protection was notified of the NPDES non-compliance on April 11, 2018 at 0542 EDT. Pursuant to 10 CFR 50.72(b)(2)(xi), this notification satisfies the requirement to notify the NRC of the occurrence of any event or situation related to the health and safety of the public or onsite personnel, or protection of the environment, for which notification to other government agencies has been made. The NRC Resident Inspector has been notified. |
Where | |
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Three Mile Island ![]() Pennsylvania (NRC Region 1) | |
Reporting | |
10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
Time - Person (Reporting Time:+-0.55 h-0.0229 days <br />-0.00327 weeks <br />-7.5339e-4 months <br />) | |
Opened: | Josh Evans 09:09 Apr 11, 2018 |
NRC Officer: | Jeff Herrera |
Last Updated: | Apr 11, 2018 |
53323 - NRC Website
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Unit 1 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
WEEKMONTHYEARENS 565602023-06-06T13:37:0006 June 2023 13:37:00
[Table view]10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to ON-SITE Fatality ENS 554552021-09-10T14:55:00010 September 2021 14:55:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 72.75(b)(2), Offsite Notification Offsite Notification Due to Contractor Fatality ENS 542832019-09-17T14:28:00017 September 2019 14:28:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release On-Site Non-Work Related Fatality ENS 533232018-04-11T09:42:00011 April 2018 09:42:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Hydrazine Spill ENS 529272017-08-25T15:15:00025 August 2017 15:15:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Exceeding Chlorine Effluent Limit ENS 506542014-12-04T16:50:0004 December 2014 16:50:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Emergency Siren Inadvertently Sounding ENS 483252012-09-20T18:16:00020 September 2012 18:16:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation Automatic Reactor Trip Due to Reactor Protection System Actuation ENS 482212012-08-22T12:01:00022 August 2012 12:01:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Automatic Reactor Trip Due to High Reactor Coolant System Pressure ENS 481322012-07-25T18:30:00025 July 2012 18:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Press Release Due to an Elevated Level of Tritium Detected on Site ENS 470482011-07-14T17:19:00014 July 2011 17:19:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertant Siren Actuation ENS 455142009-11-22T03:45:00022 November 2009 03:45:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Radiation Release in Containment Associated with Steam Generator Removal ENS 429572006-11-02T18:34:0002 November 2006 18:34:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation Automatic Turbine Trip/ Reactor Trip Due to Invalid Low Condenser Vacuum Signal ENS 402442003-10-13T15:20:00013 October 2003 15:20:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to Osha at Three Mile Island Regarding a Fatality ENS 401782003-09-19T06:24:00019 September 2003 06:24:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Siren Capability Due to Adverse Weather Conditions 2023-06-06T13:37:00 | |
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