<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.sed553ea8-2222-4e86-a66c-b5ac899a056cP0 { 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.sed553ea8-2222-4e86-a66c-b5ac899a056cC0 { background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000000 { color: #0000FF; background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000001 { background: white; font-family: Times; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.sed553ea8-2222-4e86-a66c-b5ac899a056c000002 { background: white; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000003 { background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000004 { 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="sed553ea8-2222-4e86-a66c-b5ac899a056cP0"><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">    </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:53"><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000000">74:36:07:53</span></a><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000001">.  Standards of performance for primary lead smelter</span><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000001">s</span><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000001">.</span><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0"> The standards of performance for primary lead smelters are those in 40 C.F.R. </span><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">Part </span><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">60</span><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">, Subpart R</span><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0"> (July 1, 20</span><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">24</span><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">).</span></p><p dir="ltr" class="sed553ea8-2222-4e86-a66c-b5ac899a056cP0"><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056c000002"> </span></p><p dir="ltr" class="sed553ea8-2222-4e86-a66c-b5ac899a056cP0"><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">    </span><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000001">Source:</span><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0"> 33 SDR 217, effective June 13, 2007; 36 SDR 207, effective June 28, 2010; 39 SDR 219, effective June 25, 2013; 42 SDR 52, effective October 13, 2015</span><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000003">; 44 SDR 43, effective September 13, 2017; 46 SDR 64, effective November 25, 2019</span><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000003">; 52 SDR 27, effective September 17, 2025</span><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">.</span></p><p dir="ltr" class="sed553ea8-2222-4e86-a66c-b5ac899a056cP0"><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">    </span><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000001">General Authority:</span><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-6"><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000004">34A-1-6</span></a><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">; </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-18"><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000004">34A-1-18</span></a><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">.</span></p><p dir="ltr" class="sed553ea8-2222-4e86-a66c-b5ac899a056cP0"><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">    </span><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000001">Law Implemented:</span><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-18"><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0-000004">34A-1-18</span></a><span class="sed553ea8-2222-4e86-a66c-b5ac899a056cC0">.</span></p><p dir="ltr" class="sed553ea8-2222-4e86-a66c-b5ac899a056cP0"><span xml:space="preserve" class="sed553ea8-2222-4e86-a66c-b5ac899a056c000002"> </span></p></div></body></html>