Which of the following is not a characteristic of hazardous materials?

Inert substances do not react with other materials or change under specific conditions, which distinguishes them from hazardous materials. Hazardous materials are typically characterized by properties that can pose risks to health and safety, such as being corrosive, flammable, or toxic.

Corrosive materials can damage living tissue and materials upon contact, while flammable materials can ignite and cause fires under certain conditions. Toxic substances pose a risk to health through exposure or ingestion. Inert substances, lacking these hazardous characteristics, do not present the same dangers and thus do not belong to the category of hazardous materials.