<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.s662f8810-8053-44d2-86db-b06bfa8ae6c3P0 { 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.s662f8810-8053-44d2-86db-b06bfa8ae6c3C0 { background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s662f8810-8053-44d2-86db-b06bfa8ae6c3C0-000000 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s662f8810-8053-44d2-86db-b06bfa8ae6c3C0-000001 { background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s662f8810-8053-44d2-86db-b06bfa8ae6c3000002 { background: white; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s662f8810-8053-44d2-86db-b06bfa8ae6c3C0-000003 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } </style></head><body><div><p dir="ltr" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3P0"><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">    </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:10:08"><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0-000000">74:36:10:08</span></a><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0-000001">.  Projected actual emissions.</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> Any owner or operator who proposes a project for existing emissions units at a major stationary source</span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">,</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> </span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">which</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> is not considered a major modification based on projected actual emissions but may result in a significant emission increase</span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">,</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> </span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">must</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> comply with the requirements in 40 C.F.R. § 51.165(a)(6)(i) </span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">to</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> (vi)</span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">, inclusive</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> (July 1, 20</span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">24</span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">). This section does not apply to a source with a plant-wide applicability limit.</span></p><p dir="ltr" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3P0"><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3000002"> </span></p><p dir="ltr" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3P0"><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">    The owner or operator </span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">must</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> make the information required to be documented in 40 C.F.R. § 51.165(a)(6)(i) </span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">to</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> (vi)</span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">, inclusive</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> (July 1, 20</span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">24</span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">)</span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">,</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> available for review upon a request for inspection by the secretary or the general public pursuant to the requirements contained in 40 C.F.R. § 70.4(b)(3)(viii) (July 1, 20</span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">24</span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">).</span></p><p dir="ltr" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3P0"><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3000002"> </span></p><p dir="ltr" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3P0"><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">    </span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0-000001">Source:</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> 30 SDR 26, effective September 1, 2003; 31 SDR 101, effective January 2, 2005; 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="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">; 52 SDR 27, effective September 17, 2025</span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">.</span></p><p dir="ltr" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3P0"><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">    </span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0-000001">General Authority:</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-6"><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0-000003">34A-1-6</span></a><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">.</span></p><p dir="ltr" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3P0"><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">    </span><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0-000001">Law Implemented:</span><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-1"><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0-000003">34A-1-1</span></a><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">, </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-6"><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0-000003">34A-1-6</span></a><span class="s662f8810-8053-44d2-86db-b06bfa8ae6c3C0">.</span></p><p dir="ltr" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3P0"><span xml:space="preserve" class="s662f8810-8053-44d2-86db-b06bfa8ae6c3000002"> </span></p></div></body></html>