On October 23, 2015, the NRC issued a Notice of Violation to Testing Engineers & Consultants Inc., for a Severity Level III violation. The violation involved the failure to use a minimum of two independent physical controls that form tangible barriers to secure portable gauges from unauthorized removal when the portable gauges were not under the control and constant surveillance of the licensee as required by 10 CFR 30.34(i). Specifically, from 2011 until June 19, 2015, during off-duty hours, non-licensee building tenants had access to the storage room’s locked door which resulted in a single physical barrier securing the gauges from unauthorized removal.