ENS 42676
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ENS Event | |
|---|---|
18:00 Jun 30, 2006 | |
| Title | Low Levels of Tritium Found Along Plant Discharge Line |
| Event Description | This report is being made pursuant to 10CFR50.72(b)(2)(xi), 4-hour Non-Emergency Report due to a press release being issued by Callaway Plant reporting that its monitoring program recently detected small amounts of tritium and other radionuclides along the plant discharge pipeline. The concentrations of radioactive material in water sampled from manholes on the discharge line range from less than 1% to about 20% of the NRC effluent release concentration limits. This radioactive material is contained on plant owned property.
All known wells in the vicinity of the plant, as well as drinking water at the plant and in the nearby town of Portland, have been tested and shown to have no detectable radionuclides above background. Further testing of drinking water supplies and in areas around the discharge line is taking place to assure that no migration of the contaminated water occurs. Sampling results of the monitoring program have been provided to the NRC and the Missouri Department of Natural Resources (DNR) and a plan to remediate the contaminated manholes will be coordinated with the DNR. No Offsite Dose Calculation Manual (ODCM) and no federal effluent limits have been exceeded. Callaway Plant has not identified any health or safety risk to the public or onsite personnel. The DNR, Missouri Department of Health and Social Services, and local County Officials have been notified of the press release. The licensee notified the NRC Resident Inspector, and other State and local agencies are being notified via the press release. |
| Where | |
|---|---|
Callaway  Missouri (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
| Time - Person (Reporting Time:+-3.02 h-0.126 days <br />-0.018 weeks <br />-0.00414 months <br />) | |
| Opened: | Greg Bradley 14:59 Jun 30, 2006 |
| NRC Officer: | John Knoke |
| Last Updated: | Jun 30, 2006 |
| 42676 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 574362024-11-20T20:17:00020 November 2024 20:17:00
[Table view]10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification ENS 564012023-03-09T17:53:0009 March 2023 17:53:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Injured Worker ENS 552592021-05-14T18:00:00014 May 2021 18:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Individual Fall from Scaffold Ladder - Other Government Agency Notification ENS 537172018-11-05T05:00:0005 November 2018 05:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Chemical Spill Offsite ENS 512532015-07-23T06:15:00023 July 2015 06:15:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown Initiation of Plant Shutdown Due to Rcs Leakage ENS 504652014-09-17T14:13:00017 September 2014 14:13:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Oil Tanker Truck Spill ENS 503332014-07-31T19:30:00031 July 2014 19:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Tritium and Cobalt Detected in Ground Water Monitoring Well ENS 492192013-07-27T04:49:00027 July 2013 04:49:00 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(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unusual Event Declared Due to a Fire in the Turbine Building Lasting Greater than 15 Minutes ENS 488792013-04-02T22:07:0002 April 2013 22:07:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Electrical Fault in Switchyard Resulting in Personnel Injuries ENS 482682012-09-02T15:31:0002 September 2012 15:31:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Non-Radiological Leakage from the Neutralization Tank ENS 482362012-08-27T20:26:00027 August 2012 20:26:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Hazardous Material Spill ENS 468142011-05-03T15:36:0003 May 2011 15:36:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Notification to Offsite Agency Regarding Potable Water Residual Chlorine Level ENS 459892010-06-08T09:30:0008 June 2010 09:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification of Minor Hydazine Spill ENS 458372010-04-13T17:00:00013 April 2010 17:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to an Identified Leakage Exceeding 25 Gallons Per Minute ENS 432812007-04-05T15:23:0005 April 2007 15:23:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Alert Declared Due to Report of a Fire in the Control Building ENS 432272007-03-09T16:43:0009 March 2007 16:43:00 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 Manual Reactor Trip at Reduced Power Due to Inadequate Feedwater Control ENS 429522006-10-31T06:00:00031 October 2006 06:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Contractor Employee Fatality ENS 426762006-06-30T18:00:00030 June 2006 18:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Low Levels of Tritium Found Along Plant Discharge Line ENS 425822006-05-17T20:03:00017 May 2006 20:03:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release News Release and Notification to Other Government Agencies - Planned Plant Shutdown ENS 425772006-05-16T11:30:00016 May 2006 11:30:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Employee Death ENS 415372005-03-28T18:48:00028 March 2005 18:48:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Notification of a Forced Outage Expected to Last Longer than Three Days. ENS 413472005-01-19T18:51:00019 January 2005 18:51:00 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 Callaway Automatic Reactor Trip on Low Steam Generator Level ENS 405072004-02-05T23:01:0005 February 2004 23:01:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification to the Missouri Public Service Commission 2024-11-20T20:17:00 | |
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