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            Questions and Answers: Railworthiness Directive for Railroad Tank Cars Equipped with Certain McKenzie Valve & Machining LLC Valves
      

      
  Document Series
              Policy and Guidance


      
  Author
          Kurt Eichenlaub


      

      Subject
                    Hazardous Materials


      
  Keywords
              Railworthiness directive, McKenzie Valve, UNNR


      

      
      
              
                  
      
              
  Document
              QUESTIONS AND ANSWERS Draft 3.pdf (122.14 KB)

      
              
      
            
      
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              Last updated: Wednesday, March 25, 2015 U.S. DEPARTMENT OF TRANSPORTATION

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