73. (Replaced, O.C. 501-2011)Emissions: A secondary lead foundry or a processing or handling plant for lead or lead oxide cannot emit into the atmosphere:(a) more than 46 mg of particulate matter per cubic metre of dry gas under standard conditions, in the case of reverberatoy furnaces, rotary furnaces or cupolas;
(b) more than 23 mg of particulate matter per cubic metre of dry gas under standardized conditions, in the case of emissions coming from holding furnaces, kettle furnaces, lead oxide production units, from the handling of lead material and refuse, from crushing, slagging, tapping and cleaning of furnaces or the casting of lead;
(c) more than 30 mg of lead per cubic metre of dry gas under standard conditions, for the sources mentioned in subparagraph a and more than 15 mg of lead per cubic metre in the case of the sources mentioned in subparagraph b.
This section does not apply to the mining industry, to printing shops, to welding shops, to vehicle assembly and repairs shops, to cast-iron and steel foundries, to steel plants to nonferrous metal smelter.
R.R.Q., 1981, c. Q-2, r. 20, s. 73; O.C. 501-2011, s. 215.