A typical recommended face velocity for a fume hood is?

The typical recommended face velocity for a fume hood is about 0.5 metres/second. This velocity is important because it helps to ensure that harmful fumes or airborne contaminants are effectively captured and removed from the workspace. A face velocity of 0.5 metres/second strikes a balance between adequate airflow and operator comfort, minimizing the risk of contaminants escaping into the laboratory environment.

Face velocity is crucial for the safety and efficiency of fume hoods; it ensures that the flow of air is sufficient to prevent harmful exposure while allowing for a controlled working environment. In contrast, other listed velocities either exceed what is deemed appropriate for laboratory safety or are significantly too low, which would not provide adequate protection against fume exposure.