91.2. (Replaced, O.C. 501-2011)Sulfuric acid plant: A sulfuric acid plant used to reduce sulfur dioxide emissions into the atmosphere from a copper smelting plant must not emit into the atmosphere:(a) more than 0.50 kg of sulfuric acid mist per tonne of acid at 100% produced, for an existing sulfuric acid plant;
(b) more than 0.075 kg of sulfuric acid mist per tonne of acid at 100% produced, for a new sulfuric acid plant.