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            Advising all persons involved in loading and unloading products from railroad tank cars that they cannot rely on internal excess flow valves to stop the flow of product except under the limited conditions for which these valves were designed and installed
      

      
  Document Series
              Safety Advisories


      

      
Safety Advisory Number
              2003-02


      Subject
                    Hazardous Materials


      
  Keywords
              Hazardous Materials; railroad tank car; hazardous material;� tank car excess flow; NTSB


      

      
      
              
                  
      
              
  Document
              sa_2003_02.pdf (118.67 KB)

      
              
      
            
      
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