Code of Federal Regulations, title 40, part 63, subpart TTT, as amended, entitled "National Emission Standards for Hazardous Air Pollutants for Primary Lead Smelting," is incorporated by reference.
Minn. R. agency 167, ch. 7011, EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS, pt. 7011.7235
Statutory Authority: MS s 116.07