Intermodal containers can hold gases and cryogenic liquids; they can be either non-pressurized or pressure-rated depending on the content.

• A. They Must Be Non-Insulated
• B. They Can Be Either Non-Pressurized or Pressure-Rated Depending on Content
• C. They Cannot Be Used Across Multiple Modes of Transport
• D. They Are Exclusively Used for Radioactive Materials

Answer: (B)

Intermodal containers are designed to match the pressure and temperature needs of the material they carry, so they can be either non-pressurized or pressure-rated depending on the content. For gases, especially compressed or liquefied gases, a pressure-rated vessel is often required to safely contain the product and manage the internal pressure with relief devices and robust construction. Cryogenic liquids, while kept at very low temperatures, still require a containment system that handles boil-off and pressure changes, typically with insulation and specialized relief capabilities; many of these containers are built to withstand internal pressure fluctuations, i.e., they are pressure-rated as well. At times, liquids that do not need to be pressurized can be transported in non-pressurized tanks, reinforcing that the container type is chosen based on the commodity’s pressure and temperature needs.

The other statements don’t fit because intermodal containers are not universally non-insulated, they are designed with insulation for cryogenic or heat-sensitive cargos; they are specifically intended to be used across multiple modes of transport, and they are not limited to radioactive materials.