What is the classification of Class 4 HazMats?

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Multiple Choice

What is the classification of Class 4 HazMats?

Explanation:
Class 4 HazMat covers materials that are flammable as solids, substances that ignite on their own (spontaneously combustible), and materials that are dangerous when wet. Because of that, the classification includes three subcategories: Flammable Solids; Spontaneously Combustible Liquids or Solids; and Dangerous When Wet Materials. This is exactly what the option lists, so it’s the best match. Other choices point to different hazard classes—Toxic Substances are Class 6.1, Oxidizers are Class 5.1, and Flammable Gases (Class 2) or Corrosives (Class 8) are separate classes.

Class 4 HazMat covers materials that are flammable as solids, substances that ignite on their own (spontaneously combustible), and materials that are dangerous when wet. Because of that, the classification includes three subcategories: Flammable Solids; Spontaneously Combustible Liquids or Solids; and Dangerous When Wet Materials. This is exactly what the option lists, so it’s the best match. Other choices point to different hazard classes—Toxic Substances are Class 6.1, Oxidizers are Class 5.1, and Flammable Gases (Class 2) or Corrosives (Class 8) are separate classes.

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