<html xmlns="http://www.w3.org/1999/xhtml"><head><meta charset="UTF-8" /><title></title><meta name="Generator" content="PowerTools for Open XML" /><style>span { white-space: pre-wrap; } p.sc1826469-dea5-44cb-a1c1-18f3f3e57cc9P0 { margin-top: 0; margin-bottom: 0; margin-left: 0; margin-right: 0; text-indent: 0.00in; text-align: justify; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; line-height: 108%; } span.sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0 { background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000000 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000001 { background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.sc1826469-dea5-44cb-a1c1-18f3f3e57cc9000002 { background: white; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000003 { background: white; font-family: Times; font-size: 10pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000004 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } p.sc1826469-dea5-44cb-a1c1-18f3f3e57cc9P0-000005 { margin-top: 0; margin-bottom: 0; margin-left: 0; margin-right: 0; text-indent: 0.00in; text-align: left; background: white; font-family: Times; font-size: 10pt; line-height: 108%; } span.sc1826469-dea5-44cb-a1c1-18f3f3e57cc9000006 { background: white; font-size: 10pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } </style></head><body><div><p dir="ltr" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9P0"><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">    </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:03:01"><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000000">74:36:03:01</span></a><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000001">.  Air pollution emergency episode.</span><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0"> The </span><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">secretary must proclaim</span><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0"> an air pollution emergency episode and its extent, using the criteria in 40 C.F.R. § 51.151 and Appendix L to Part 51 (July 1, 20</span><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">24</span><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">), if the accumulation of air pollutants in any place is attaining or has attained levels </span><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">that</span><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0"> could, if </span><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">the</span><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0"> levels are sustained or exceeded, lead to a substantial threat to the health of the public.</span></p><p dir="ltr" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9P0"><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9000002"> </span></p><p dir="ltr" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9P0"><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">    </span><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000001">Source:</span><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0"> SL 1975, ch 16, § 1; 2 SDR 40, effective December 7, 1975; transferred from § 34:10:02:22, 7 SDR 4, effective July 27, 1980; transferred from § 44:10:02:17, effective July 1, 1981; 13 SDR 129, 13 SDR 141, effective July 1, 1987; transferred from §</span><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000003"> </span><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">74:26:02:17, 19 SDR 157, effective April 22, 1993; 21 SDR 119, effective January 5, 1995; 31 SDR 101, effective January 2, 2005; 32 SDR 209, effective June 13, 2006; 36 SDR 207, effective June 28, 2010; 39 SDR 219, effective June 25, 2013; 42 SDR 52, effective October 13, 2015; 44 SDR 43, effective September 13, 2017; 46 SDR 64, effective November 25, 2019</span><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">; 52 SDR 27, effective September 17, 2025</span><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">.</span></p><p dir="ltr" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9P0"><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">    </span><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000001">General Authority:</span><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-6"><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000004">34A-1-6</span></a><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">, </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-15"><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000004">34A-1-15</span></a><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">.</span></p><p dir="ltr" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9P0"><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">    </span><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000001">Law Implemented:</span><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-1"><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000004">34A-1-1</span></a><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">, </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-15"><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0-000004">34A-1-15</span></a><span class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9C0">.</span></p><p dir="ltr" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9P0"><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9000002"> </span></p><p dir="ltr" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9P0-000005"><span xml:space="preserve" class="sc1826469-dea5-44cb-a1c1-18f3f3e57cc9000006"> </span></p></div></body></html>