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DOT Hazmat refers to "Hazardous Materials Regulations" (HMR) enforced by the U.S. Department of Transportation (DOT) to safely package, label, and transport substances that pose unreasonable risks to health, safety, or property. These rules, found in 49 CFR Parts 100-185, apply to shipments by road, rail, air, and water, classifying materials into nine classes, including explosives, gases, flammable liquids, and corrosives.
Key Aspects of DOT Hazmat Definition: Any substance capable of posing risks during commercial transport, ranging from industrial chemicals to common items like lithium batteries, paint, or aerosols.
The 9 Hazard Classes: Explosives: Fireworks, ammunition. Gases: Propane, oxygen tanks, aerosols. Flammable Liquids: Gasoline, paint, perfumes. Flammable Solids: Matches, magnesium. Oxidizers: Hydrogen peroxide, swimming pool chemicals. Poisons/Etiologic: Pesticides, medical waste. Radioactive: Radioactive ores, medical isotopes. Corrosives: Sulfuric acid, cleaners. Miscellaneous: Lithium batteries, dry ice.
Requirements: Shippers and carriers must adhere to strict rules regarding packaging, marking, labeling, placarding, and documentation. Training: Employees handling hazmat must receive safety training within 90 days of hiring. Penalties: Violations can lead to fines ranging from $250 per day to over $100k per day, per violation.
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