Which of the following does TDG class 1 encompass?

TDG Class 1 is specifically designated for explosives, which are materials that can undergo a rapid chemical reaction, resulting in an explosion. This class encompasses a variety of substances that can produce a significant amount of energy in the form of heat, light, sound, or pressure, creating a dangerous hazard during transportation.

Explosives are categorized further into divisions based on their characteristics, such as their sensitivity and the type of explosion they can cause. This classification is crucial for ensuring proper handling, storage, and transportation, as it helps to mitigate the risks associated with these potentially devastating materials.

In contrast, the other options refer to different classes of dangerous goods within the TDG system. Flammable liquids fall under TDG Class 3, toxic chemicals are classified as TDG Class 6.1, and corrosive materials are categorized within TDG Class 8. Understanding these classifications ensures that individuals involved in the transport of hazardous materials adhere to the regulations and safety protocols necessary to prevent accidents and injuries.