Q-2, r. 4.1 - Clean Air Regulation

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28. An establishment in which paints are applied, for industrial or commercial purposes, must have
(1)  a gas exhaust stack that extends at least 5 m above the roof ridge of the building where the paint is applied; and
(2)  a particle collection system with a minimum efficiency of 90% where the application is made by gun or by spraying.
In addition, the updraft vertical exhaust velocity of the gases must be at least 15 m per second at the stack outlet.
An establishment in which only paints containing less than 20% by weight of organic solvents are applied is not subject to the requirements provided for in subparagraph 1 of the first paragraph and in the second paragraph of this section.
O.C. 501-2011, s. 28; O.C. 1228-2013, s. 6.
28. An establishment in which organic solvent-based paints or water-based paints are applied, for industrial or commercial purposes, must have
(1)  a collection system of particles with a minimum efficiency of 90%; and
(2)  a gas exhaust stack that extends at least 5 m above the roof ridge of the building where the paint is applied.
In addition, the updraft vertical exhaust velocity of the gases must be at least 15 m per second at the stack outlet.
This section applies to establishments existing as of 30 June 2012.
O.C. 501-2011, s. 28.