UN ID; UN Number; UN Number Code; UN/NA Number is a four digit unique number used assigned to identify hazardous (dangerous or flammable) chemical or group of hazardous chemicals for the transport of dangerous materials.
UN ID; UN Number; UN Number Code; UN/NA Number
ThePD (The Project Definition)
ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.