ENS Event | |
|---|---|
07:52 Jun 7, 2022 | |
| Title | Unexpected Contamination Discovered in Uranium Autoclave |
| Event Description | The following information was provided by the licensee via email:
The plant is in a safe configuration. On June 7, 2022, while performing a disconnect on the 3LS1 autoclave, an Operator noticed a white/yellowish film on the hex nut of the manifold and the upper portion of the cylinder valve. The Operator surveyed the film and found 4,000 to 6,000 dpm alpha and beta contamination. The 3LS1 autoclave was posted as a Contamination Area at 0152 MDT on June 7th. Surveys of the cylinder and manifold were 1,500 dpm alpha and 3,000 dpm beta/gamma after the disconnect. Decontamination efforts continued throughout the day. The area was still posted as a contamination area on the morning of June 8th. UUSA [Urenco, USA] is reporting this event per 10 CFR 70.50.(b)(1)(i). Decontamination efforts are continuing. This issue has been entered in UUSA's corrective action program as EV151830. The licensee reported leakage inside the autoclave under EN 55930. |
| Where | |
|---|---|
| Louisiana Energy Services Eunice, New Mexico (NRC Region 2) | |
| License number: | SNM-2010 |
| Reporting | |
| 10 CFR 70.50(b)(1) | |
| Time - Person (Reporting Time:+28.18 h1.174 days <br />0.168 weeks <br />0.0386 months <br />) | |
| Opened: | Barry Love 12:03 Jun 8, 2022 |
| NRC Officer: | Ernest West |
| Last Updated: | Jun 8, 2022 |
| 55932 - NRC Website | |
Louisiana Energy Services with 10 CFR 70.50(b)(1) | |
WEEKMONTHYEARENS 562582022-12-04T16:01:0004 December 2022 16:01:00
[Table view]10 CFR 70.50(b)(1) Unplanned Contamination ENS 559322022-06-07T07:52:0007 June 2022 07:52:00 10 CFR 70.50(b)(1) Unexpected Contamination Discovered in Uranium Autoclave ENS 558612022-02-28T13:35:00028 February 2022 13:35:00 10 CFR 70.50(b)(1) Unplanned Contamination Event 2022-06-07T07:52:00 | |