ENS 48187
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ENS Event | |
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14:06 Aug 14, 2012 | |
Title | Offsite Notification to State and Local Agencies Concerning Tritium Found in Groundwater Inleakage |
Event Description | On Monday, August 13, 2012, analyses of samples taken from groundwater inleakage to the Nine Mile Point Unit 1 (NMP1) Screenhouse building confirmed the presence of tritium at concentrations of approximately 32,000 to 44,000 picocuries per liter (pCi/l). This discovery was made during the conduct of the site's ongoing groundwater monitoring program. These concentrations are above the 30,000 pCi/l threshold for voluntary reporting for a non-drinking water pathway, as indicated in Nuclear Energy Institute (NEI) 07-07, Industry Ground Water Initiative - Final Guidance Document.
These test results do not indicate any threat to public health or safety, since the building inleakage is not a drinking water source, and there is no indication that tritium has migrated off the Nine Mile Point site in the groundwater. Nine Mile Point Nuclear Station, LLC, is continuing an investigation to identify the source of tritium and implement a corrective action plan. Voluntary notification of this discovery has been made to the New York State Department of Environmental Conservation and the New York State Department of Health. The licensee has notified the NRC Resident Inspector. |
Where | |
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Nine Mile Point New York (NRC Region 1) | |
Reporting | |
10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
Time - Person (Reporting Time:+-3.43 h-0.143 days <br />-0.0204 weeks <br />-0.0047 months <br />) | |
Opened: | John Driscoll 10:40 Aug 14, 2012 |
NRC Officer: | Bill Huffman |
Last Updated: | Aug 14, 2012 |
48187 - NRC Website
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Unit 1 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
WEEKMONTHYEARENS 573342024-09-23T11:20:00023 September 2024 11:20:00
[Table view]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, 10 CFR 50.72(b)(2)(iv)(A), System Actuation - ECCS Discharge Automatic Reactor Scram Due Turbine Trip ENS 553632021-07-19T18:58:00019 July 2021 18:58:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Onsite Medical Emergency ENS 518962016-05-01T12:47:0001 May 2016 12:47:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Onsite Fatality Not Related to Work ENS 517232016-02-10T07:47:00010 February 2016 07:47:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Actuation of One Emergency Siren ENS 503902014-08-21T12:50:00021 August 2014 12:50:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Actuation of One Emergency Siren ENS 489292013-04-16T13:14:00016 April 2013 13:14:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertent Emergency Siren Activation Due to Personnel Error ENS 481872012-08-14T14:06:00014 August 2012 14:06:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to State and Local Agencies Concerning Tritium Found in Groundwater Inleakage ENS 481052012-07-13T21:40:00013 July 2012 21:40:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification of Emergency Siren Activation ENS 471272011-08-05T23:32:0005 August 2011 23:32:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Emergency Notification Siren Actuation ENS 466582011-03-06T04:15:0006 March 2011 04:15:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Spurious Siren Activation ENS 463852010-11-02T00:04:0002 November 2010 00:04:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Oil Spill ENS 462822010-09-27T12:48:00027 September 2010 12:48:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Loss of One Emergency Response Siren ENS 436732007-09-28T17:10:00028 September 2007 17:10:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Emergency Siren Activated Inadvertently During a Thunderstorm ENS 409082004-07-29T16:10:00029 July 2004 16:10:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Raw Sewage Discharge to Lake Ontario ENS 406242004-03-29T22:22:00029 March 2004 22:22:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification of a Fatality 2024-09-23T11:20:00 | |
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