Railworthiness Directive for Railroad Tank Cars Equipped With Certain McKenzie Valve & Machining LLC Valves
Keywords: Railworthiness Directive; Hazerdous Materials; Valve; Tank Cars
Abstract: This Directive requires railroad tank car owners to replace unapproved valves currently installed in some tank cars. The valves in question are UNNR ball valves manufactured and...
This notice amends Emergency Order No. 24 (EO 24) in response to informal comments received from railroads and labor organizations. This amendment provides additional guidance, clarifying amendments and expanded relief from the EO.
Emergency Order Requiring Special Handling, Instruction and Testing of Railroad Operating Rules Pertaining to Hand-Operated Main Track Switches.