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§ 63.1650 Applicability and compliance dates.
(a) This subpart applies to all new and existing ferromanganese and silicomanganese production facilities that manufacture ferromanganese or silicomanganese and are major sources or are co-located at major sources of hazardous air pollutant emissions.
(b) The following sources at a ferromanganese and silicomanganese production facility are subject to this subpart: