Transportation of Dangerous Goods Regulations

DOT Identification Number. A four-digit number, developed by U.S. Department of Transportation, used to identify a material for regulation of its transport. The number is called Product Identification Numbers (PIN) under the Canadian Transportation of Dangerous Goods Regulations. When used internationally it may carry a UN prefix, but those only in North America have an NA prefix. 

PIN. Product identification number a four-digit number, prefaced by UN or NA, used in Canada under the Transportation of Dangerous Goods Regulation for use by emergency personnel to identify a material in the event of an accident. See... 

Any class as defined by Transportation of Dangerous Goods Regulations (federal) and associated provincial/territorial legislation of Canada. 

Transport Canada. 1994. Transport of Dangerous Goods Regulations (TDG), Ottawa, ON. 

Transportation of Dangerous Goods Regulations, Canadian Government Publishing Centre, Supply and Services Canada, Ottawa, Ontario, Canada KIA OS9. 

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