The national primary ambient air quality standards define levels of air quality that are necessary, with a margin of safety, to protect the public health. The national secondary ambient air quality standards define levels of air quality that are necessary to protect the public welfare from any known or anticipated adverse effects of a pollutant. These standards are located in chapter 74:36:02.

Source: SL 1975, ch 16, § 1; 2 SDR 40, effective December 7, 1975; transferred from § 34:10:01:01, 7 SDR 4, effective July 27, 1980; transferred from § 44:10:01:01, effective July 1, 1981; 8 SDR 71, effective December 21, 1981; 10 SDR 68, effective January 5, 1984; 13 SDR 129, 13 SDR 141, effective July 1, 1987; 14 SDR 72, effective November 24, 1987; 16 SDR 88, effective November 14, 1989; 17 SDR 170, effective May 13, 1991; transferred from § 74:26:01:01, 19 SDR 157, effective April 22, 1993.

General Authority: SDCL 34A-1-6.

Law Implemented: SDCL 34A-1-6.