Dangerous goods identification

For transportation safety, air transportation, road transportation, railway transportation, water transportation must all underst the transportation risks of goods. The identification of cargo transportation conditions is to evaluate make recommendations on the suitability of the goods for transportation. The identification of cargo transportation conditions is generally based on IATA Dangerous Goods Regulations (DGR) 2005, the 14th edition of the United Nations Recommendations on the Transport of Dangerous Goods, GB12268-2005 "Dangerous Goods List", GB6944-2005 "Dangerous Goods Classification Name Numbers" Material Safety Data sheets (MSDS) other stards to identify the goods.
 
Category 1: Explosives
Category 2: Gas
Category 3: Flammable liquids
Category 4: Flammable solids; substances prone to spontaneous combustion; substances that release flammable gases when exposed to water
Category 5: Oxidizing substances organic peroxides
Category 6: Toxic Infectious Substances
Category 7: Radioactive materials
Category 8: Corrosive substances
Category 9: Miscellaneous dangerous goods