Locking devices inadequately installed on main steam isolation valves.

Bibliographic Details
Corporate Author:	U.S. Nuclear Regulatory Commission. Office of Inspection and Enforcement
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : United States Nuclear Regulatory Commission, Office of Inspection and Enforcement, 1981.
Series:	NRC information notice ; 81-33.
Subjects:	Nuclear power plants > Piping > Valves > Defects. Nuclear power plants > Piping > Valves > Safety measures.
Online Access:	https://purl.fdlp.gov/GPO/gpo130196