On October 17, 2011, the NRC issued a Notice of Violation to Escanaba Paper Company for a Severity Level III violation involving the failure to ensure that only persons specifically licensed by the U.S. Nuclear Regulatory Commission (NRC) or an Agreement State perform services involving the dismantling and non-routine maintenance or repair of components related to the radiological safety of the gauge. Specifically, on May 9, 2011, the licensee performed non-routine maintenance on a fixed level gauge by using a rod to change the position of the shutter contrary to NRC License No. 21-17630-01, Condition 17.B. The licensee was not specifically licensed by the NRC or an Agreement State to perform this service.