Class 1 Division 1 location is designated as an area where flammable volatile liquids or liquefied flammable gases are transferred from one container to another. An example of this would be at a gas station when you put gasoline into your vehicle.The area around the pumps is class 1 div. 1.
Class 4 division 1 (more properly called Division 4.1) is for flammable solids.
Class 4 division 1 (more properly called Division 4.1) is for flammable solids.
Class 1 Division 3 explosive
DOT Class 2, Division 1 (more properly called Division 2.1) is for flammable gases.
DOT Class 2, Division 1 (more properly called Division 2.1) is for flammable gases.
DOT class 6 division 1 materials consist of poisonous materials.
Class 4 Division 1 (more properly called Division 4.1) is for flammable solids.
In the realm of hazardous locations Class 1 refers to an environment containing flammable or explosive vapors or gases and Division 2 is a location where those gases are expected to be present only during an upset condition.
flammable solid
division 4.1 is flammable solids
Poisonous materials are found in DOT division 6.1.