42-482 - Regulation applying to M2 Districts LAST AMENDED 6/6/2024 In M2 Districts, any activity producing excessive humidity in the form of steam or moist air, or producing intense heat or glare, In M2 Districts, any activity producing excessive humidity in the form of steam or moist air, or producing intense heat or glare, shall be carried out within an enclosure and in such a manner as not to be perceptible at or beyond any #lot line#.