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Hazardous Materials Information 

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Federal Register



USPS HM Regs
US Postal HazMat Regulations
 

International Dangerous Goods Information 

Canada DG
Transportation of Dangerous Goods in Canada

UNECE ADR
United Nations - Dangerous Goods Publications
ADR, UN Model Regulations, UN Manual of Tests and GHS
IMO
Ocean transportation of dangerous goods


International Air Transport Association
Air transportation of dangerous goods
 

Additional Links 

Travel Safety Information