<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.sb6a23392-c49b-4db6-a471-5e1f9092988eP0 { 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.sb6a23392-c49b-4db6-a471-5e1f9092988eC0 { background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000000 { color: #0000FF; background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000001 { background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000002 { background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sb6a23392-c49b-4db6-a471-5e1f9092988e000003 { background: white; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } p.sb6a23392-c49b-4db6-a471-5e1f9092988eP0-000004 { margin-top: 0; margin-bottom: 0; margin-left: 0; margin-right: 0; text-indent: 0.00in; text-align: justify; background: white; font-family: Times; font-size: 12pt; line-height: 108%; } span.sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000005 { color: #0000FF; background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } </style></head><body><div><p dir="ltr" class="sb6a23392-c49b-4db6-a471-5e1f9092988eP0"><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">    </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:08:121"><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000000">74:36:08:121</span></a><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000001">.  National emission standards for hazardous air pollutants -- Area source standards for aluminum, copper, and other nonferrous foundries.</span><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0"> The national emission standards for </span><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">hazardous air pollutants -- area source standards for </span><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">aluminum, copper, and other nonferrous </span><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">foundries</span><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0"> are those in 40 C.F.R. </span><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">Part </span><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">63, Subpart ZZZZZZ (July 1, 20</span><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">24</span><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">). </span><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000002">A source that operates a unit subject to Subpart ZZZZZZ is exempt from the obligation to obtain a Part 70 operating permit if the source is not required to obtain a Part 70 operating permit for a reason other than the source is subject to Subpart ZZZZZZ. Exempted sources must still meet the applicable requirements in Subpart ZZZZZZ.</span></p><p dir="ltr" class="sb6a23392-c49b-4db6-a471-5e1f9092988eP0"><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988e000003"> </span></p><p dir="ltr" class="sb6a23392-c49b-4db6-a471-5e1f9092988eP0-000004"><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">    </span><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000001">Source:</span><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0"> 36 SDR 207, effective June 28, 2010; 39 SDR 219, effective June 25, 2013; 42 SDR 52, effective October 13, 2015</span><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000002">; 44 SDR 43, effective September 13, 2017; 46 SDR 64, effective November 25, 2019</span><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000002">; 52 SDR 27, effective September 17, 2025</span><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">.</span></p><p dir="ltr" class="sb6a23392-c49b-4db6-a471-5e1f9092988eP0-000004"><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">    </span><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000001">General Authority:</span><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-6"><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000005">34A-1-6</span></a><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">, </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-18"><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000005">34A-1-18</span></a><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">.</span></p><p dir="ltr" class="sb6a23392-c49b-4db6-a471-5e1f9092988eP0-000004"><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">    </span><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000001">Law Implemented:</span><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-18"><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0-000005">34A-1-18</span></a><span class="sb6a23392-c49b-4db6-a471-5e1f9092988eC0">.</span></p><p dir="ltr" class="sb6a23392-c49b-4db6-a471-5e1f9092988eP0-000004"><span xml:space="preserve" class="sb6a23392-c49b-4db6-a471-5e1f9092988e000003"> </span></p></div></body></html>