5005.2.1.1 Ventilation.
FC § 5005.2.1.1
Where gases, liquids or solids having a hazard ranking of 3 or 4, as defined in NFPA 704 are used, mechanical exhaust ventilation shall be provided to capture gases, fumes, mists or vapors at the point of generation. Exception: Gases, liquids or solids that do not generate harmful fumes, mists or vapors.













