59. (Replaced, O.C. 501-2011)Multiple cupolas: When several existing cupolas are used for producing cast iron in the same plant and that they have a respective melting rate equal to or lower than 3 tonnes per hour, the melting rate of these are added for purposes of enforcing the emission standards of particulate matter established in section 58.
R.R.Q., 1981, c. Q-2, r. 20, s. 59; O.C. 501-2011, s. 215.