ENS 57012: Difference between revisions
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| emergency class = Non Emergency | | emergency class = Non Emergency | ||
| notification date = 03/06/2024 17:05 | | notification date = 03/06/2024 17:05 | ||
| retracted = Yes | |||
| notification by = Dan Szatkowski | | notification by = Dan Szatkowski | ||
| NRC officer = Adam Koziol | | NRC officer = Adam Koziol | ||
| event date = 03/06/2024 06:00 CST | | event date = 03/06/2024 06:00 CST | ||
| last update date = | | last update date = 07/15/2024 | ||
| title = Contamination in Restricted Area | | title = Contamination in Restricted Area | ||
| event text = The following is a summary of information provided by the licensee via telephone: | | event text = The following is a summary of information provided by the licensee via telephone: | ||
| Line 22: | Line 23: | ||
Due to (1) the existing access controls, (2) personal protective equipment requirements for lab access, and (3) the absence of contamination identified by body scans of personnel exiting the lab; the licensee does not suspect any spread of contamination outside of the restricted area or personnel intake. Biological samples will be collected to confirm that no intake occurred. | Due to (1) the existing access controls, (2) personal protective equipment requirements for lab access, and (3) the absence of contamination identified by body scans of personnel exiting the lab; the licensee does not suspect any spread of contamination outside of the restricted area or personnel intake. Biological samples will be collected to confirm that no intake occurred. | ||
The highest contamination level identified was 260 mrem/hr on contact and 2.3 mrem/hr at 1 foot. The contamination has been remediated to below licensee action levels. Overall, 2.4 mCi of Mo-99 was identified outside of the production hot cell. The 10 CFR 20 Appendix B limit for Mo-99 is 1 mCi. The licensee is investigating the root cause of this event. | The highest contamination level identified was 260 mrem/hr on contact and 2.3 mrem/hr at 1 foot. The contamination has been remediated to below licensee action levels. Overall, 2.4 mCi of Mo-99 was identified outside of the production hot cell. The 10 CFR 20 Appendix B limit for Mo-99 is 1 mCi. The licensee is investigating the root cause of this event. | ||
| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2024/ | * * * RETRACTION ON 07/15/24 AT 1205 EDT FROM DANEIL SZATKOWSKI TO KERBY SCALES * * * | ||
The following retraction is a summary of information provided by the licensee via telephone: | |||
Due to performing additional air samples and biological assays, the licensee determined that they did not exceed any thresholds, and the event is not reportable. | |||
Notified R3DO (Nguyen) and NMSS Events Notification via email. | |||
| URL = https://www.nrc.gov/reading-rm/doc-collections/event-status/event/2024/20240716en.html#en57012 | |||
}} | }} | ||
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Latest revision as of 07:20, 16 July 2024
| Where | |
|---|---|
| Curium Us Llc Maryland Heights, Missouri (NRC Region 3) | |
| License number: | 24-04206-01 |
| Organization: | Curium Us Llc |
| Reporting | |
| 10 CFR 20.2202(b)(2) 10 CFR 30.50(b)(1) | |
| Time - Person (Reporting Time:+5.08 h0.212 days <br />0.0302 weeks <br />0.00696 months <br />) | |
| Opened: | Dan Szatkowski 17:05 Mar 6, 2024 |
| NRC Officer: | Adam Koziol |
| Last Updated: | Jul 15, 2024 |
| 57012 - NRC Website | |