<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.s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0 { 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.s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000000 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000001 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000002 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s6f7a4393-4bde-4406-bfdd-fd8706da2f99000003 { color: black; background: white; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } </style></head><body><div><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">    </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:102"><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000000">74</span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000000">:</span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000000">36</span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000000">:</span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000000">07</span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000000">:</span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000000">102</span></a><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000001">.  Tier 3 nonmethane organic compound emission rate for existing municipal solid waste landfills.</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> The site-specific methane generation rate constant </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">must</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> be determined using the procedures provided in 40 C.F.R. Part 60, Appendix A, Method 2E (July 1, 20</span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">24</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">). The owner or operator </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">must</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> estimate the nonmethane organic compound mass emission rate using the appropriate equation in §</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:99"><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000002">74:36:07:99</span></a><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">,</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> and using a site-specific methane generation rate constant and the site-specific nonmethane organic compound concentration as determined in §</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:101"><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000002">74:36:07:101</span></a><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> instead of the default values. The landfill owner or operator </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">must</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> compare the resulting nonmethane organic compound mass emission rate to the standard of </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">thirty-four</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> megagrams per year:</span></p><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99000003"> </span></p><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">    </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">(1)</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">  </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">If the nonmethane organic compound mass emission rate as calculated using the Tier 2 site-specific nonmethane organic compound concentration and Tier 3 site-specific methane generation rate</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> and</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> is equal to or greater than </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">thirty-four</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> megagrams per year, the owner or operator </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">must</span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">:</span></p><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99000003"> </span></p><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">        </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">(a)</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">  </span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">Submit a gas collection and control system design plan within one year and install and operate a gas collection and control system within </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">thirty</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> months according to §§</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:106"><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000002">74:36:07:106</span></a><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> and </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:109"><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000002">74:36:07:109</span></a><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">; or</span></p><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">        </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">(b)</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">  </span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">Conduct a surface emission monitoring demonstration using the Tier 4 procedures specified in § </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:103"><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000002">74:36:07:103</span></a><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">; or</span></p><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99000003"> </span></p><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">    </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">(2)</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">  </span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">If the nonmethane organic compound mass emission rate is less than </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">thirty-four</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> megagrams per year, the owner or operator </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">must</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> recalculate the nonmethane organic compound mass emission rate annually using the appropriate equation in §</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:99"><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000002">74:36:07:99</span></a><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> and using the site-specific Tier 2 nonmethane organic compound concentration and Tier 3 methane generation rate constant and submit the results in the annual nonmethane organic compound emission rate report. The calculation of the methane generation rate constant is performed only once, and the value obtained from this test </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">must</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> be used in all subsequent annual nonmethane organic compound emission rate calculations.</span></p><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99000003"> </span></p><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">    </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000001">Source:</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> 46 SDR 64, effective November 25, 2019</span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">; 52 SDR 27, effective September 17, 2025</span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">.</span></p><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">    </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000001">General Authority:</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-6"><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000002">34A-1-6</span></a><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">, </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-18"><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000002">34A-1-18</span></a><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">.</span></p><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">    </span><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000001">Law Implemented:</span><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-18"><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0-000002">34A-1-18</span></a><span class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99C0">.</span></p><p dir="ltr" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99P0"><span xml:space="preserve" class="s6f7a4393-4bde-4406-bfdd-fd8706da2f99000003"> </span></p></div></body></html>