👉 prehazardous is a technical term in environmental engineering and pollution control that refers to substances or materials that pose a high risk of causing harm or injury if released into the environment. This includes both hazardous waste and other pollutants that are not considered toxic but may have negative impacts on the environment. Prehazardous substances can include items such as chemicals, radioactive materials, and hazardous waste that pose a significant threat to human health and the environment. They can include things like paints, solvents, pesticides