Q-2, r. 4.1 - Clean Air Regulation

Full text
33. The operator of a paint shop or paint room must not use or permit the use therein of a paint gun having a transfer efficiency lower than that of an HVLP paint gun to apply paint on wood surfaces if the emission of volatile organic compounds into the atmosphere from the combined paint application activities exceeds 15 kg per day.
That prohibition does not apply to touch-up paint work.
This section applies to existing paint shops and paint rooms as of 30 June 2012.
O.C. 501-2011, s. 33.