The national emission standards for hard and decorative chromium electroplating and chromium anodizing tanks are those in 40 C.F.R. § 63, Subpart N (July 1, 2018). An area source that operates a unit subject to Subpart N is exempt from the obligation to obtain a Part 70 operating permit if the source is not required to obtain a Part 70 operating permit for a reason other than the source is subject to Subpart N. Exempted sources must still meet the applicable requirements in Subpart N.
S.D. Admin. R. 74:36:08:09
General Authority: SDCL 34A-1-6.
Law Implemented: SDCL 34A-1-6, 34A-1-19.
Operating permits for part 70 sources, § 74:36:05.