What is toxic inhalation hazard?
What is toxic inhalation hazard? Under the Hazardous Materials Regulations (HMR; 49 CFR parts 171-180), toxic inhalation hazard materials (TIH materials) are gases or liquids that are known or presumed on the basis of tests to be so toxic to humans as to pose a hazard to health in the event of a release during transportation. What are the 9 DOT hazard classes? The nine hazard classes are as follows:Class 1: Explosives.Class 2: Gases.Class 3: Flammable and Combustible Liquids.Class 4: Flammable Solids.Class 5: Oxidizing Substances, Organic Peroxides.Class 6: Toxic Substances and Infectious Substances.Class 7: Radioactive Materials.Class 8: Corrosives. What class...