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    PHMSA Home
    Home  »  Hazmat Safety Community  »  Regulations  »  NTSB Recommendations  »  Rail
    Rail

    The items below are the currently open NTSB recommendations regarding rail and the OHMS responses. For copies of the specific letters containing the NTSB/OHMS dialog, click the link for the specific item and review the list of "Related Downloads" on the right.

    NTSB Classifications:

    • OAR - Open Acceptable Response
    • OAA - Open Acceptable Action
    • OAAR - Open Acceptable Alternative Action
    • OUA - Open Unacceptable Action
    • OUR - Open Unacceptable Response
    • UCL - Unclassified (until NTSB Classifies)
    Currently Open Recommendations
     
    		 R-12-7 Adoption of American Association of Railroads (AAR) center sill or draft sill attachment designs; UCL Mar 2, 2012
     
    		 R-12-8 Pipeline Operator Notification; UCL Mar 2, 2012
     
    		 R-12-5 Enhanced protection of DOT-111 Tank Cars used in ethanol and crude oil service; UCL Mar 2, 2012
     
    		 R-12-6 Bottom Outlet Valve Closure; UCL Mar 2, 2012
     
    		 R-08-13 Optimum Separation Requirements; OAR May 22, 2008
     
    		 R-07-4 Immediate Notification to Emergency Responders; OAR Apr 24, 2007
     
    		 R-04-10 Loading Unloading; OUR Dec 15, 2004
     
    		 R-01-03 Written reporting standards; OAR Mar 12, 2001
     
    		 R-92-23 Periodic inspection & testing of rail tank cars; OAR Dec 31, 1992
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    		 Closed Recommendations
     
    		 Pipeline NTSB Recommendations
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