Class 1 -- Explosives
Class 2 -- Gases
Class 3 -- Flammable and Combustible Liquids
Class 4 -- Flammable Solids, Spontaneously Combustible Materials,
Class 5 -- Oxidizers and Organic Peroxides
Class 6 -- Toxins and Biohazards
Class 7 -- Radioactive Materials
Class 8 -- Corrosive Materials
Class 9 -- Miscellaneous Hazardous Material
Class 1, Division 1 -- Explosives With a Mass Explosion Hazard
Class 1, Division 2 -- Explosives With a Projection Hazard
Class 1, Division 3 -- Explosives With Predominately a Fire Hazard
Class 1, Division 4 -- Explosives With No Significant Blast Hazard
Class 1, Division 5 -- Explosives, Very Insensitive; Blasting Agents
Class 1, Division 6 -- Explosives, Extremely Insentitive
Class 2, Division 1 -- Gases, Flammable
Class 2, Division 2 -- Gases, Non-Flammable, Compressed
Class 2, Division 3 -- Gases, Poisonous
Class 4, Division 1 -- Flammable Solids
Class 4, Division 2 -- Spontaneously Combustible Materials
Class 4, Division 3 -- Dangerous When Wet Materials
Class 5, Division 1 -- Oxidizers
Class 5, Division 2 -- Organic Peroxides
Class 6, Division 1 -- Toxins
Class 6, Division 2 -- Biohazards
The class and division of the hazmat