dangerous, hazardous, precarious, perilous, risky mean bringing or involving the chance of loss or injury. dangerous applies to something that may cause harm or loss unless dealt with carefully.

Household hazardous waste (HHW) is any substance containing ingredients that could negatively affect your safety, health or the environment. Many products may be hazardous, including furniture polish, …

Add to word list dangerous and involving risk, especially to someone's health: hazardous industries / materials / substances (Definition of hazardous from the Cambridge Business English Dictionary © …

This document helps healthcare employers identify drugs considered by NIOSH to be hazardous drugs.

Aug 7, 2023 · “Hazardous” refers to something that poses a threat or danger to human health, the environment, or property. It can describe substances, activities, situations, or conditions that can …

HAZARDOUS definition: full of risk; perilous; risky. See examples of hazardous used in a sentence.

Mar 9, 2026 · A hazardous substance is any material that can cause death, disease, cancer, genetic mutations, or other serious harm to people or the environment after exposure.

Apr 15, 2022 · NFPA 400 defines hazardous material as any chemical or substance that is a physical hazard material or a health hazard material. Hazardous materials are then categorized based on the …

PHMSA offers state grants through several programs and partnerships for pipeline and hazmat safety. PHMSA projects to improve the safety and reliability of hazmat transportation by all modes, including …

This webpage serves as a resource for workers and employers engaged in hazardous waste, emergency response, and cleanup operations involving hazardous substances.