USEC given some leeway to replace Hunt valves on certain UF6 cylinders

摘要

NRC has approved in part USEC Inc.’s plan for a slowernreplacement of 1-inch UF6 cylinder valves manufactured bynthe Hunt Valve Co. than NRC called for in a 2003 bulletin.nNRC said it agreed to USEC’s approach taking into accountnthe large number of Hunt valves USEC has in storage andnthe “practical considerations” arising from USEC’s role innusing donwblended UF6 from Russian warhead highenrichednuranium (HEU).