Escalated Enforcement Actions Issued to Non-Licensees - N

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Name and
NRC Action Number
Action Type
(Severity) &
Civil Penalty
(if any)
Date Issued Description
NAC International
12/21/2020 On December 21, 2020, the NRC issued a Notice of Violation to NAC International (Certificate Holder) for a Severity Level III and a Severity Level IV violation.  NAC failed to comply with the requirements of 10 CFR 72.48(c)(2)(viii), “Changes, tests, and experiments,” and 10 CFR 72.146(c), “Design control.”  The violations involved a design change for NAC’s MAGNASTOR dry cask storage system.  The certificate holder failed to utilize a methodology as specified in the MAGNASTOR Final Safety Analysis Report (FSAR); and, failed to obtain an amendment to use a different methodology.  In response, NAC re-performed the spent fuel cask tip-over analysis using the appropriate methodology and obtained satisfactory results.  NAC also implemented corrective actions to enhance its design control and 72.48 screening processes.
Numanco, L.L.C.
Tulsa, OK
09/06/2000 On September 6, 2000, a Notice of Violation was issued for a Severity Level III violation based on discrimination against a radiation protection technician for engaging in protected activities.

Page Last Reviewed/Updated Wednesday, March 24, 2021