Postal Service Practice Exam 2025 – Comprehensive Study Resource

Question: 1 / 400

HAZMAT materials include which of the following?

Ordinary office supplies

Flammable, toxic, reactive, biological

Hazardous materials, commonly known as HAZMAT, encompass a wide range of substances that can pose risks to health, safety, and the environment. The correct answer highlights the broad spectrum of materials classified as hazardous due to their nature. Flammable materials can ignite easily; toxic substances can cause harm to human health and the environment; reactive substances can undergo dangerous reactions; and biological materials can pose infectious hazards.

This categorization is crucial for ensuring proper handling, transportation, and disposal to prevent accidents and health risks. In contrast, options like ordinary office supplies, only flammable substances, and processed food items do not typically fall under the HAZMAT classification as they lack the inherent dangerous characteristics associated with hazardous materials.

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Only flammable substances

Processed food items

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