ARSD 74:36:08:21
ARSD 74:36:08:21. National emission standards for hazardous air pollutants from the portland cement manufacturing industry
Cite as S.D. Admin. R. 74:36:08:21
The national emission standards for hazardous air pollutants from the portland cement manufacturing industry are those in 40 C.F.R. Part 63, Subpart LLL (July 1, 2024).