<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.s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4P0 { 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.s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000000 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000001 { color: black; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000002 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4000003 { 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="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4P0"><span xml:space="preserve" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0">    </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:120"><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000000">74</span><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000000">:</span><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000000">36</span><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000000">:</span><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000000">07</span><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000000">:</span><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000000">120</span></a><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000001">.  Existing municipal solid waste landfill surface methane monitoring.</span><span xml:space="preserve" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0"> The owner or operator of an existing municipal solid waste landfill that seeks to demonstrate compliance with the 500 parts per million surface methane operational standard shall monitor surface concentrations of methane quarterly according to the procedures provided in §</span><span xml:space="preserve" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0"> </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:114"><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000002">74:36:07:114</span></a><span xml:space="preserve" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0"> and the instrument specifications in § </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:07:115"><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000002">74:36:07:115</span></a><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0">. Any closed landfill that has no monitored exceedances of the operational standard in three consecutive quarterly monitoring periods may skip to annual monitoring. Any methane reading of 500 parts per million or more above background detected during the annual monitoring returns the frequency for that landfill to quarterly monitoring.</span></p><p dir="ltr" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4P0"><span xml:space="preserve" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4000003"> </span></p><p dir="ltr" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4P0"><span xml:space="preserve" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0">    </span><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000001">Source:</span><span xml:space="preserve" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0"> 46 SDR 64, effective November 25, 2019.</span></p><p dir="ltr" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4P0"><span xml:space="preserve" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0">    </span><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000001">General Authority:</span><span xml:space="preserve" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-6"><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000002">34A-1-6</span></a><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0">.</span></p><p dir="ltr" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4P0"><span xml:space="preserve" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0">    </span><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000001">Law Implemented:</span><span xml:space="preserve" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-18"><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0-000002">34A-1-18</span></a><span class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4C0">.</span></p><p dir="ltr" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4P0"><span xml:space="preserve" class="s27bb9e28-f69a-455c-bcc1-bc9dba53a6b4000003"> </span></p></div></body></html>