What classification corresponds to containers that may contain explosives or flammable gases?

The classification that corresponds to containers that may contain explosives or flammable gases is Hazard Classification of 4. This classification specifically includes materials that are flammable solids, substances that emit flammable gases upon contact with water, and those that may be spontaneously combustible or self-heating.

The Hazard Classification of 4 is essential for identifying and managing risks associated with materials that present significant dangers, particularly in emergency response scenarios. Properly recognizing this classification helps responders understand the potential hazards and implement suitable safety measures and response protocols when dealing with containers that might hold such materials.

In doing so, emergency responders can effectively mitigate risks associated with flammable or explosive substances, ensuring both safety and a level of preparedness for incidents involving these hazardous materials.