TIH stands for Toxic Inhalation Hazard; it is most associated with which hazard class?

• A. Toxic Inhalation Hazard; most associated with Class 6.1 toxics and some Class 2.3 gases.
• B. Toxic Industrial Hazard; associated with Class 2.3 gases
• C. Turbidity Inhalation Hazard; associated with Class 4 explosives
• D. Toxic Inhalation Hazard; associated with Class 3 flammable liquids

Answer: (A)

Toxic Inhalation Hazard is a designation for materials that can cause death or serious health effects when their fumes, gases, or vapors are inhaled. This label is most appropriately linked to Class 6.1 toxics (poisonous substances) and to some Class 2.3 gases (toxic gases). It isn’t a recognized term for “Toxic Industrial Hazard,” and it isn’t related to Turbidity Inhalation Hazard or to Class 3 flammable liquids, which describe different hazards (general toxicity, non-toxic gases, and flammability, respectively). So the correct association is TIH with Class 6.1 toxics and certain Class 2.3 toxic gases.