Code of Federal Regulations, title 40, part 63, subpart DDD, as amended, entitled "National Emission Standards for Hazardous Air Pollutants for Mineral Wool Production," is incorporated by reference.
Minn. R. agency 167, ch. 7011, EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS, pt. 7011.7520
Statutory Authority: MS s 116.07