TCFP Hazmat Exam 2025 – 400 Free Practice Questions to Pass the Exam

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What does the presence of a green placard usually signify?

Corrosive material

Nonflammable compressed gas

The presence of a green placard indicates that the material is classified as a nonflammable compressed gas. This type of placard is part of the Environmental Protection Agency (EPA) and Department of Transportation (DOT) systems used to communicate the hazards associated with different substances during transportation. Nonflammable compressed gases do not pose a fire hazard; instead, they are typically inert or non-reactive, meaning they do not support combustion.

Recognizing placard colors and their meanings is crucial for safety and hazard communication, especially for first responders and those who handle hazardous materials. The green placard serves as a visual cue to alert emergency personnel and handlers about the nature of the chemical or gas being transported, guiding them in deciding the appropriate safety measures to take.

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Radioactive material

Explosive material

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