1.4
Division 4.2 is spontaneously combustible material.
Dry ice falls into hazard class 9 (Miscellaneous hazardous materials), while asbestos is typically classified as a hazardous material due to its ability to cause serious health issues such as lung cancer.
Organic peroxides are classified under DOT Hazard Class 5.2 and oxidizers are classified under Hazard Class 5.1. Organic peroxides are substances that can release oxygen and initiate combustion, while oxidizers are substances that can react exothermically with other materials, often accelerating combustion.
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Sulfuric acid is commonly understood to be a hazardous corrosive material, often categorized as hazard class 8 under transportation regulations due to its ability to cause severe skin burns, eye damage, and respiratory irritation upon exposure.
Division 1.1: Explosives with a mass explosion hazard Division 1.2: Explosives with a projection hazard Division 1.3: Explosives with predominately a fire hazard Division 1.4: Explosives with no significant blast hazard Division 1.5: Very insensitive explosives; blasting agents Division 1.6: Extremely insensitive detonating substances
3
Class 1 dangerous goods, also known as explosives, are divided into six divisions based on their characteristics and the type of hazard they present. These divisions are: Division 1.1 (mass explosion hazard), Division 1.2 (projection hazard), Division 1.3 (fire hazard), Division 1.4 (minor explosion hazard), Division 1.5 (very insensitive explosives), and Division 1.6 (extremely insensitive articles). Each division has specific criteria and regulations to ensure safe handling and transportation.
Explosives that have no explosive hazard are not explosives. Materials that have a fire hazard but no explosive hazard are Class 2 if they are gasses, class 3 if they are liquids, and class 4 if they are solids.
DOT Hazard Class 1 Division 3 refers to a category of explosives that are classified as "Explosives, Mass Explosion Hazard," specifically those that have a low probability of mass detonation but can still present a significant risk. These materials are capable of producing a powerful explosion but are designed to be stable under normal conditions. Examples include certain types of fireworks and some low-order explosives. Proper handling, storage, and transportation regulations are critical to ensure safety when dealing with these materials.
A non-mass explosion fragment producing hazard class/division is typically classified as either Class 1.4 or Division 1.4.
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Class 1 hazards are explosives. They are divided into 6 categories according to whether the material represents a mass explosion hazard or a minor explosion hazard.
explosives
Explosive 1.2B
DOT Hazard Class 4 is for flammable solids such as magnesium metal.
The Explosives 1.3 placard may be placed on either the front of the tractor or the front of the trailer