101. Necessity: Establishments shall be adequately ventilated either by natural or mechanical means, and excessive air draughts shall be avoided.
Ventilation systems and devices in service shall be designed, manufactured and installed in compliance with state-of-the-art techniques current at the time of their installation.
In addition, all work stations shall be ventilated as to comply with the standards provided under sections 40 and 41, with the exception of work stations assigned to out-of-shop inspections, maintenance or repairs.