Certified Hazardous Materials Manager Practice Exam 2025 – Comprehensive Test Prep

Municipal solid waste is typically not classified as hazardous because it consists of everyday items discarded by households and businesses, such as food scraps, paper, plastics, and yard waste. While there may be some hazardous components within this waste stream, such as batteries or household cleaners, the vast majority of municipal solid waste is considered non-hazardous.

On the other hand, waste with chemical reactivity poses risks due to its potential to chemically react with other substances, which could lead to dangerous situations. Solvents with flash points below 140°F are classified as flammable substances and therefore hazardous due to their ability to ignite easily. Heavy metal waste contains toxic elements that are harmful to human health and the environment, confirming their classification as hazardous. Thus, municipal solid waste stands out as the type that is not generally considered hazardous in the context of waste classification.