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18 May 2004

Emergency Orders

Clarifying Amendment to the Emergency Order To Prohibit the Continued Use of Certain Railroad Tank Cars Equipped With a Truck Bolster Bearing Either (1) Association of American Railroads (AAR) Identification Number B-2410 and National Castings of Mexico (

Subject Motive Power and Equipment

Emergency Order Number
Emergency Order 23, Notice No. 2

3 May 2004

Safety Advisories

Addresses recommended safety practices and reviews existing requirements for the protection of roadway workers from traffic on adjacent tracks and to heighten awareness to prevent the inadvertent fouling of track when on-track safety is not provided

Subject Rail and Infrastructure Integrity, Signal and Train Control, Track

Keywords: Track; roadway worker rule; adjacent tracks; large-scale; controlled track

Safety Advisory Number
2004-01

30 Apr 2004

Emergency Orders

Emergency Order to Prohibit the Continued Use of Certain Railroad Tank Cars Equipped With a Truck Bolster Bearing Either Association of American Railroads (AAR) Identification Number B-2410 and National Castings of Mexico (NCM) Pattern Number 52122 or AAR

Subject Hazardous Materials

Emergency Order Number
Emergency Order 23, Notice No. 1

18 Nov 2003

Safety Advisories

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

Subject Motive Power and Equipment

Keywords: bolster pattern ;� MP & E ;� freight car ; truck bolster

Safety Advisory Number
2003-03

4 Sep 2003

Safety Advisories

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

Subject Hazardous Materials

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

Safety Advisory Number
2003-02