The following information was provided by the licensee via email:
The plant is in a safe configuration. NRC Region II re-exited an inspection on April 26, 2022 from an inspection which was conducted March 21st through the 24th. During this exit, an event was reclassified as a Non-Cited Violation for failure to report an event. As a result, UUSA [Urenco-USA] is reporting this event as a 24-hour Report per the NRC's inspection.
On February 28, 2022, water was discovered on the floor of the Liquid Effluent Collection and Transfer System (LECTS) room. The water was leaking from the slab tanks berm into the non-Radiological Controlled Area floor. The area was conservatively and promptly roped off and signage was posted. Radiological readings in the area were taken and found to be less than background and the the spill was cleaned up that day.
Historical issues are being reviewed and will be added to this notification per the NRC's position shared with UUSA.
This issue has been entered in UUSA's corrective action program as EV 149668 and 149975.
- * * UPDATE ON 5/17/22 AT 1305 EDT FROM BARRY LOVE TO BRIAN PARKS * * *
The following update was provided by the licensee via email:
As a result of this Event Notification, a review of Extent of Condition was performed.
This Extent of Condition revealed nine historical examples of unplanned contamination events that resulted in expansions of Contaminated Areas that were not reported under 10 CFR 70.50(b)(1) as required by regulation.
These conditions occurred on March 3, 2016 (EV 111023), April 14, 2016 (EV 1129221), August 4, 2016 (EV 113877), December 7, 2016 (EV 116283), February 23, 2017 (EV 117238), November 24, 2019 (EV 136211), November 29, 2021 (EV 148894), February 28, 2022 (EV 149668), and April 14, 2022 (EV 151253).
These events have been investigated and corrected during the approximate time period in which they were identified. No contamination events are ongoing at UUSA at this time.
The Licensee will notify the NRC Region 2 Inspector.
Notified R2DO (Miller) and
NMSS Events Notifications via e-mail.