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            HMG 104 – Tank Car, Covered Hopper Car, Pressure Differential Car
      

      
  Document Series
              Technical Bulletins


      
  Author
          Office of Safety


      
Bulletin Number
              HMG-104

  Discipline
              Hazardous Materials


      Subject
                    Hazardous Materials


      
  Keywords
              tank car, covered hopper car, pressure differential car, AAR Class 207 cars


      

      
      
              
                  
      
              
  Document
              signed HMG-104.pdf (966.45 KB)

      
              
      
            
      
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              Last updated: Friday, March 30, 2018 U.S. DEPARTMENT OF TRANSPORTATION

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