60. (Replaced, O.C. 501-2011)Small existing cupolas: Notwithstanding sections 3 and 59, existing cupolas for the production of cast-iron whose capacity is lower than 3 tonnes per hour are not subject to a particulate matter emission standard.
R.R.Q., 1981, c. Q-2, r. 20, s. 60; O.C. 501-2011, s. 215.