Code of Federal Regulations, title 40, part 63, subpart QQQ, as amended, entitled "National Emission Standards for Hazardous Air Pollutants for Primary Copper Smelting," is incorporated by reference.
Minn. R. agency 167, ch. 7011, EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS, pt. 7011.7650
Statutory Authority: MS s 116.07