<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.s23637946-7bd5-44ad-a57a-f9dbbb316897P0 { 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.s23637946-7bd5-44ad-a57a-f9dbbb316897C0 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000000 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000001 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000002 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s23637946-7bd5-44ad-a57a-f9dbbb316897000003 { 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="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">    </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:126"><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000000">74</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000000">:</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000000">36</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000000">:</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000000">07</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000000">:</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000000">126</span></a><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000001">.  Existing municipal solid waste landfill collection and control system design plan submittal.</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> The owner or operator of an existing municipal solid waste landfill that meets the requirements of § </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:105"><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000002">74:36:07:105</span></a><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> submit a collection and control system design plan prepared and approved by a professional engineer. The collection and control system design plan </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must:</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">    (</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">1</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">)  </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">The design requirements in §§</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:106"><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000002">74:36:07:106</span></a><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> and </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:109"><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000002">74:36:07:109</span></a><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">;</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">    (</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">2</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">)  </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">Include any alternatives to the operational standards, test methods, procedures, compliance measures, monitoring, recordkeeping, or reporting provisions proposed by the owner or operator;</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">    (</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">3</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">)  </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">Conform to specifications for active collection systems in § </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:108"><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000002">74:36:07:108</span></a><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> or include a demonstration to the secretary's satisfaction of the sufficiency of the alternative provisions; and</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">    (</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">4</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">)  </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">Cover page that contains the engineer's seal</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">,</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> to the secretary within </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">one</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> year of the first nonmethane organic compound emission rate report in which the nonmethane organic compound emission rate equals or exceeds </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">thirty-four</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year, except as follows;</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">        </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(a)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">If the owner or operator elects to recalculate the nonmethane organic compound emission rate after Tier 2 nonmethane organic compound sampling and analysis and the resulting rate is less than </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">thirty-four</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year, annual periodic reporting must be resumed, using the Tier 2 determined site-specific nonmethane organic compound concentration, until the calculated nonmethane organic compound emission rate is equal to or greater than </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">thirty-four</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year or the landfill is closed. The revised nonmethane organic compound emission rate report, with the recalculated nonmethane organic compound emission rate based on nonmethane organic compound sampling and analysis, </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be submitted, following the procedures in §</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:138"><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000002">74:36:07:138</span></a><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">, within </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">one hundred eighty</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> days of the first calculated exceedance of </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">thirty-four</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year;</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">        </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(b)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">If the owner or operator elects to recalculate the nonmethane organic compound emission rate after determining a site-specific methane generation rate constant as provided in Tier 3, and the resulting nonmethane organic compound emission rate is less than </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">thirty-four</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year, annual periodic reporting </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be resumed. The resulting site-specific methane generation rate constant </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be used in the nonmethane organic compound emission rate calculation until the emissions rate calculation results in an exceedance. The revised nonmethane organic compound emission rate report based on the provisions of §</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:102"><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000002">74:36:07:102</span></a><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> and the resulting site-specific methane generation rate constant </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be submitted to the secretary within one year of the first calculated nonmethane organic compound emission rate equaling or exceeding </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">thirty-four</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year;</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">        </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(c)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">If the owner or operator elects to demonstrate </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">that </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">site-specific surface methane emissions are below </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">five hundred</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> parts per million methane, the owner or operator </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> submit annually a Tier 4 surface emissions report until a surface emissions reading of </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">five hundred</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> parts per million methane or greater is found. If the Tier 4 surface emissions report shows no surface emissions readings of </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">five hundred</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> parts per million methane or greater for four consecutive quarters at a closed landfill, then the owner or operator may reduce Tier 4 monitoring from a quarterly to an annual frequency. The secretary may request additional information as may be necessary to verify the reported instantaneous surface emission readings. The Tier 4 surface emissions report </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> clearly identify the location, date and time to the nearest second, average wind speeds including wind gusts, and reading, in parts per million, of any value </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">of five hundred</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> parts per million methane or greater, other than non-repeatable, momentary readings. For location, the owner or operator </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> determine the latitude and longitude coordinates using an instrument with an accuracy of at least four meters. The coordinates </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be in decimal degrees with at least five decimal places. The Tier 4 surface emission report </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> also include the results of the most recent Tier 1 and Tier 2 results in order to verify </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">that </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">the landfill does not exceed </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">fifty</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year of nonmethane organic compounds. The annual Tier 4 surface emissions report </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be submitted as follows:</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">            </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(i)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">The initial Tier 4 surface emissions report </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be submitted annually, starting within </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">thirty</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> days of completing the fourth quarter of Tier 4 surface emissions monitoring that demonstrates site-specific surface methane emissions are below </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">five hundred</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> parts per million methane; and</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">            </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(ii)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">The Tier 4 surface emissions rate report </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be submitted within </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">one</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> year of the first measured surface exceedance of </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">five hundred</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> parts per million methane;</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">        </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(d)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">If the landfill is in the closed landfill subcategory, the owner or operator </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> submit a collection and control system design plan to the secretary within one year of the first nonmethane organic compound emission rate report in which the nonmethane organic compound emission rate equals or exceeds </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">fifty</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year, except as follows:</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">            </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(i)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">If the owner or operator elects to recalculate the nonmethane organic compound emission rate after Tier 2 nonmethane organic compound sampling and analysis and the resulting rate is less than </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">fifty</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year, annual periodic reporting </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be resumed, using the Tier 2 determined site-specific nonmethane organic compound concentration, until the calculated nonmethane organic compound emission rate is equal to or greater than </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">fifty</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year or the landfill is closed. The revised nonmethane organic compound emission rate report, with the recalculated nonmethane organic compound emission rate based on nonmethane organic compound sampling and analysis, </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be submitted within </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">one hundred eighty</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> days of the first calculated exceedance of </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">fifty</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year;</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">            </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(ii)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">If the owner or operator elects to recalculate the nonmethane organic compound emission rate after determining a site-specific methane generation rate constant, as provided in Tier 3, and the resulting nonmethane organic compound emission rate is less than </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">fifty</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year, annual periodic reporting </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be resumed. The resulting site-specific methane generation rate constant </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be used in the nonmethane organic compound emission rate calculation until the emissions rate calculation results in an exceedance. The revised nonmethane organic compound emission rate report and the resulting site-specific methane generation rate constant must be submitted to the secretary within one year of the first calculated nonmethane organic compound emission rate equaling or exceeding </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">fifty</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> megagrams per year;</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">            </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(iii)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">The owner or operator elects to demonstrate surface emissions are low, consistent with the provisions in sub</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">section</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> (4)(c) of this section; and</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">            </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(iv)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">The landfill has already submitted a gas collection and control system design plan consistent with the provisions of 40 C.F.R. Part 60, Subpart WWW (July 1, 20</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">24</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">); 40 C.F.R. Part 62, Subpart GGG (July 1, 20</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">24</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">); or §</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:35"><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000002">74:36:07:35</span></a><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">;</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">        </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(e)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">The owner or operator </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> notify the secretary that the design plan is completed and submit a copy of the plan's signature page. The secretary has </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">ninety</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> days to decide whether the design plan </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">may</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> be submitted for review. If the secretary chooses to review the plan, the approval process continues as described in sub</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">section</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> (4)(f) of this section. If the secretary indicates that submission is not required or </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">if the secretary </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">does not respond within </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">ninety</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> days, the owner or operator can continue to implement the plan with the recognition that the owner or operator is proceeding at their own risk. In the event the design plan is required to be modified to obtain approval, the owner or operator </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> take any steps necessary to conform any prior actions to the approved design plan and any failure to do so could result in an enforcement action;</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">        </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(f)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">Upon receipt of an initial or revised design plan, the secretary </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">must</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> review the information submitted under subdivision (1) </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">to</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> (3)</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">, inclusive, of this section,</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> and approve it, disapprove it, or request additional information be submitted. Because of the many site-specific factors involved with landfill gas system design, alternative systems may be proposed. If the secretary does not approve or disapprove the design plan, or request additional information be submitted within </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">ninety</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> days of receipt, the owner or operator may continue with implementation of the design plan, recognizing they would be proceeding at their own risk; and</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">        </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(g)</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">  </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">If the owner or operator chooses to demonstrate compliance with the emission control requirements using a treatment system, the owner or operator must prepare a site-specific treatment system monitoring plan as specified in sub</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">section</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:131"><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000002">74:36:07:131</span></a><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">(5)(</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">b</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">).</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">    </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000001">Source:</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> 46 SDR 64, effective November 25, 2019</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">; 52 SDR 27, effective September 17, 2025</span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">.</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">    </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000001">General Authority:</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-6"><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000002">34A-1-6</span></a><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">, </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-18"><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000002">34A-1-18</span></a><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">.</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">    </span><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000001">Law Implemented:</span><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-18"><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0-000002">34A-1-18</span></a><span class="s23637946-7bd5-44ad-a57a-f9dbbb316897C0">.</span></p><p dir="ltr" class="s23637946-7bd5-44ad-a57a-f9dbbb316897P0"><span xml:space="preserve" class="s23637946-7bd5-44ad-a57a-f9dbbb316897000003"> </span></p></div></body></html>