On May 29, 2015, the NRC issued a Notice of Violation to Blevins Asphalt Construction Co., Inc., for a Severity Level III violation. The violation involved the failure to maintain control and constant surveillance or use a minimum of two independent physical controls to secure a portable gauge from unauthorized removal as required by 10 CFR 20.1802 and 10 CFR 30.34(i). Specifically, on July 30, 2014, an authorized user failed to maintain control and constant surveillance over a gauge containing licensed material and that gauge was driven over by the individual's vehicle.