On August 19, 2014, the NRC issued a Notice of Violation to the City of St. Peters for a Severity Level III violation. The violation involved the failure to ensure licensed material is only used by, or under the supervision and in the physical presence of, individuals who have successfully completed the manufacturer's training program for gauge users as required by NRC License Condition 12. Specifically, from approximately May through August 2009, the licensee allowed two individuals to use licensed material without supervision at temporary job sites, and the individuals had not completed the manufacturer's training for gauge users.