On March 25, 2021, the NRC issued a Notice of Violation to Hart Crowser, Inc., for a Severity Level III violation. The violation involved Hart Crowser’s failure to file NRC Form 241, "Report of Proposed Activities in Non-Agreement States," at least three days prior to engaging in licensed activities within NRC jurisdiction, as required by 10 CFR 150.20. Specifically, from August 14 through November 18, 2020, Hart Crowser, Inc., a licensee of the State of Washington, performed licensed activities for 73 days within NRC jurisdiction without filing the required documentation with the NRC.