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HAZMAT Class 8 placard on a truck in Canada. 454 kg (1001 lbs) or more gross weight of a corrosive material. Although the corrosive class includes both acids and bases, the hazardous materials load and segregation chart does not make any reference to the separation of various incompatible corrosive materials from each other.
HAZMAT 5.1 placard on a pail of UN 2468,Trichloroisocyanuric acid for use in swimming pools. An oxidizer is a material that may, generally by yielding oxygen, cause or enhance the combustion of other materials.
After the September 11 attacks, Congress considered new security measures to the Act, including background checks for truck drivers, requiring shipping companies to create alternative security plans, the use of electronic tracking devices to pinpoint exact locations of hazardous materials and their transporters, and creating strict federal ...
n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s. entry [4]
For example, the Canadian Transportation of Dangerous Goods Regulations provides a description of compatibility groups. 1.1 Explosives with a mass explosion hazard Ex: TNT, dynamite, nitroglycerine. 1.2 Explosives with a severe projection hazard. 1.3 Explosives with a fire, blast or projection hazard but not a mass explosion hazard.
Photograph of a placard with NA number 3082. The NA numbers (North American Numbers are assigned by the United States Department of Transportation, supplementing the larger set of UN numbers, for identifying hazardous materials.
The pictogram for harmful substances of the Globally Harmonized System of Classification and Labelling of Chemicals.. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is an internationally agreed-upon standard managed by the United Nations that was set up to replace the assortment of hazardous material classification and labelling schemes previously used around ...
The most common dangerous goods are assigned a UN number, a four digit code which identifies it internationally. Less common substances are transported under generic codes such as "UN1993: flammable liquid, not otherwise specified". The UN Recommendations do not cover the manufacturing, use or disposal of dangerous goods.