Hazardous materials, abbreviated as HazMat, are any cargo substances that pose major safety, property, and health risks when shipped.
HazMat, also known as Dangerous Goods, and the United States government has established strict laws controlling such cargo transportation. The materials are categorized into unstable or reactive solids, liquids, or gases; toxic or highly toxic liquids, solids, or gases; and pyrophoric gases, liquids, or solids. HazMat's shipping, handling, and disposal laws are well-defined to ensure maximum safety and environmental protection. Generally, HazMat identifies and contains or regulates dangerous cargo to prevent contamination.