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 | |
Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 564012023-03-09T17:53:0009 March 2023 17:53:00
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