Ventilation

There are two basic types of ventilation equipment: dilution ventilation and exhaust ventilation.

Dilution ventilation lowers the concentration of atmospheric hazards by bringing in fresh air. This is a more basic form of ventilation.

Depending on what type of hazardous gas you are working around, certain ventilation systems might make things more dangerous. Make sure that your ventilation system is approved for use around the atmospheric hazards you are working with.

Exhaust ventilation works by enclosing the source of the hazard as much as possible and ensuring enough air flow to manage the material in question. This is preferable for more serious atmospheric hazards.

Depending on environmental regulations, you may need a filter for the material you are ventilating. Furthermore, certain hazards need special ventilation systems. For instance, there are special systems for removing perchloric acid or for preventing the buildup of explosive materials within ducts.

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