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['Hazardous Materials Table']
['Identification numbers - Hazmat', 'Hazardous materials table']
05/13/2026
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InstituteHazmat SafetyHazardous Materials TableFocus AreaIdentification numbers - HazmatHazardous materials tableEnglishAnalysisTransportationCompliance and Exceptions (Level 2)USA
Identification numbers (Hazmat)
['Hazardous Materials Table']
- HMT Column 4 provides identification numbers that pertain to domestic and international transportation.
Column 4 of the Hazardous Materials Table (HMT) provides the material’s UN, NA, or ID number. Numbers preceded by the letters “UN” are appropriate for both international and domestic transportation. Those preceded by “NA” are for domestic transportation and not for international transportation. Those preceded by “ID” are for use with the International Civil Aviation Organization (ICAO) Technical Instructions for air transport.
The NA9000 series of identification numbers are used with proper shipping names that are not appropriately covered by the international regulations or not appropriately addressed by the international standards for emergency response information purposes.
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hazardous-materials-table
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Identification numbers (Hazmat)
InstituteHazmat SafetyHazardous Materials TableFocus AreaIdentification numbers - HazmatHazardous materials tableEnglishAnalysisTransportationCompliance and Exceptions (Level 2)USA
['Hazardous Materials Table']
- HMT Column 4 provides identification numbers that pertain to domestic and international transportation.
Column 4 of the Hazardous Materials Table (HMT) provides the material’s UN, NA, or ID number. Numbers preceded by the letters “UN” are appropriate for both international and domestic transportation. Those preceded by “NA” are for domestic transportation and not for international transportation. Those preceded by “ID” are for use with the International Civil Aviation Organization (ICAO) Technical Instructions for air transport.
The NA9000 series of identification numbers are used with proper shipping names that are not appropriately covered by the international regulations or not appropriately addressed by the international standards for emergency response information purposes.
2657032585
2657032596
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Copyright 2026 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.