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Additional information on the potential catastrophic failure of 100-ton truck bolsters manufactured by National Castings of Mexico's (NCM) Sahagun, Mexico facility with Association of America Railroads (AAR) Identification Numbers B-2410 and B-2409 and Na
Keywords: bolster pattern ;� MP & E ;� freight car ; truck bolster
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
Keywords: Hazardous Materials; railroad tank car; hazardous material;� tank car excess flow; NTSB