56. (Replaced, O.C. 501-2011)Allowed concentration: A polyvinyl chloride plant cannot emit vinyl chloride in a concentration higher than 10 parts per million by volume measured dry and undiluted where the gases are emitted as a result of the monomers recovery system reactor or stripper exhausting and purging procedures slurry or resin stripping procedures and the depressuring of the reactor in the case where it is a standard means of controlling operating conditions.
R.R.Q., 1981, c. Q-2, r. 20, s. 56; O.C. 501-2011, s. 215.