Q-2, r. 4.1 - Clean Air Regulation

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150. The activities of cutting, shake-out, grit blasting, grinding or sanding castings, preparation of the casting sand and core making in a cast iron or steel foundry must take place in the presence of a local ventilation system and must not emit or have the effect of emitting particles into the atmosphere in a concentration greater than 30 mg/Rm3 of dry gas for each emission point.
O.C. 501-2011, s. 150; I.N. 2023-08-01.
150. The activities of metal casting, cutting, shake-out, grit blasting, grinding or sanding castings, preparation of the casting sand and core making in a cast iron or steel foundry must take place in the presence of a local ventilation system and must not emit or have the effect of emitting particles into the atmosphere in a concentration greater than 30 mg/Rm3 of dry gas for each emission point.
O.C. 501-2011, s. 150.