Express Terms 6 NYCRR Part 200, General Provisions, as related to repealed Part 203
Subdivision 200.1(f) is amended to read as follows:
(f) 'Air contamination source or emission source.' Any apparatus, contrivance or machine capable of causing emission of any air contaminant to the outdoor atmosphere, including any appurtenant exhaust system[,] or air cleaning device[, but excepting an indirect source of air contamination as defined in Part 203 of this Title]. Where a process at an emission unit uses more than one apparatus, contrivance or machine in combination, the combination may be considered a single emission source.