Which of the following requires special handling and packaging regulations?

Class 1 materials, which pertain to explosives, are subject to stringent handling and packaging regulations due to their inherent dangers. The properties of these materials present significant safety risks, as they can cause explosions, which may lead to catastrophic outcomes, including injuries and fatalities. As such, the Department of Transportation (DOT) has established specific regulations that govern not only the transport of these materials but also their packaging, labeling, and documentation requirements.

The special handling and packaging requirements are crucial to ensure safe transportation and to minimize the risk of accidental detonation or unintended exposure to the public or environment. This includes using specialized containers designed to withstand pressure and prevent impact and exposure to ignition sources.

Understanding the importance of these regulations places emphasis on the need for compliance when dealing with hazardous materials and illustrates the gravity of safely managing dangerous goods.