Click each term below to see the definition.

Note: most definitions are from the Hazardous Materials Regulations (HMR) 49 CFR 171.8. You can read the most up-to-date definitions at regulation 171.8.

• Bulk Packaging
  
• Calendar Year
  
• Farmer
  
• Highway Route Controlled Quantity
  
• Modes of Transportation
  
• Not-for-Profit Organization
  
• Person
  
• Person who Offers or Offeror
  
• Pre-Transportation Functions
  
• Shipment
  
• Small Business
  
• Transportation