74:36:08:66.  National emission standards for primary lead smelting. The national emission standards for primary lead smelting are those in 40 C.F.R. § 63, Subpart TTT (July 1, 2009).

          Source: 33 SDR 217, effective June 13, 2007; 36 SDR 207, effective June 28, 2010.

          General Authority: SDCL 34A-1-6.

          Law Implemented: SDCL 34A-1-18.