What can be a clue that a shipment may contain hazardous materials?

Question

One clue that a shipment may contain hazardous materials is that the shipper is in a line of business that you would expect to involve hazardous materials. Examples of such businesses include paint dealers, chemical suppliers, scientific supply houses, pest control companies, agricultural suppliers, and dealers in explosives, fireworks, or munitions.

Accepted Answer

The shipper is a business you might expect to deal with hazardous materials.

Answer

The last shipment you picked up was labeled as hazardous.

Answer

The packaging looks damaged.

Answer

The road is made of gravel.