PID – protection from harmful VOCs

Introduction Volatile organic compounds (VOCs) tend to be liquids which readily give off vapour at room temperature1, such as solvents and fuels. At high concentrations, these vapours can explode. At extremely low levels, they can be toxic. While the impact of exposure can sometimes be felt immediately, frequently symptoms may not become apparent for months if not years afterwards. This type of chronic illness can result from repeated and extended low-level exposure. Increased awareness of the chronic toxicity of VOCs has led to reduced occupational exposure limits (OEL) and increased requirements for direct measurement.