The Primary Copper Smelting Maximum Achievable Control Technology standard as specified in 40 Code of Federal Regulations Part 63, Subpart QQQ, is incorporated by reference as amended through November 19, 2020 (85 FR 73854).

Source Note: The provisions of this §113.740 adopted to be effective July 9, 2003, 28 TexReg 5186; amended to be effective December 27, 2007, 32 TexReg 9698; amended to be effective January 5, 2023, 47 TexReg 9007