Hazards arise from inhaling chemical agents in the form of vapors, gases, dusts, fumes, mists, or by skin contact with these materials.
- Fine particles of a liquid float in air
- Substances in gaseous state but are always airborne at room temperature.
- Results when substances that are liquids at room temperature evaporate
- Solid harmful substances are ground, cut or crushed by mechanical actions.
- Gas is condensed in air, chemically changed and becomes fine solid particles which float in air.
