A shipper packages a hazardous solid into a single box weighing 500 pounds net, with an internal capacity of 30 gallons. A second shipment uses a single gas cylinder with a 1,200-pound water capacity. How are these two packagings classified?

Hazmat (H) Endorsement • Free CDL Practice Question
Regulation

49 CFR 171.8 (Bulk packaging — separate thresholds for solids and gases)

Why This Matters

The federal definition sets separate numeric thresholds for liquids (by volume), solids (by mass and volume), and gases (by water capacity), so a driver or dispatcher has to apply the correct threshold for the material's physical state rather than one number across the board.