<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.s434915ef-aa28-40fb-af81-ffe94be127daP0 { 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.s434915ef-aa28-40fb-af81-ffe94be127daC0 { background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s434915ef-aa28-40fb-af81-ffe94be127daC0-000000 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s434915ef-aa28-40fb-af81-ffe94be127daC0-000001 { background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s434915ef-aa28-40fb-af81-ffe94be127da000002 { background: white; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s434915ef-aa28-40fb-af81-ffe94be127daC0-000003 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } </style></head><body><div><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">    </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:21:09"><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000000">74:36:21:09</span></a><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000001">.  Monitoring, recordkeeping, and reporting.</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> The owner or operator required to install and operate controls established in a visibility impact analysis or BART determination </span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">must</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> conduct periodic monitoring, recordkeeping, and reporting. All sulfur dioxide and nitrogen oxides emissions from the BART-eligible source </span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">must</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> be routed to the main stack of a BART-eligible source. The owner or operator of a BART-eligible source </span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">must</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> install, certify, maintain, calibrate, and operate a continuous emission monitoring system for sulfur dioxide and nitrogen oxide in accordance with 40 C.F.R. Part 75 (July 1, 20</span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">24</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">), except the recordkeeping and reporting requirements for the continuous emission monitoring systems </span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">must</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> be in accordance with 40 C.F.R. § 60.7 (July 1, 20</span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">24</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">). Monitoring and related recordkeeping and reporting requirements for other air pollutants from a BART-eligible source or from a major source or modification of a major source </span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">must</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> consist of at least the following:</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127da000002"> </span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">    (1)  All emissions monitoring and analysis procedures, alternative approved methods, or test methods required in determining compliance with §§ </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:21:04"><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000003">74:36:21:04</span></a><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> and </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:21:06"><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000003">74:36:21:06</span></a><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">;</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127da000002"> </span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">    (2)  As necessary, documentation of the use, maintenance, and if appropriate, installation of monitoring equipment or methods;</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127da000002"> </span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">    (3)  Documentation of the following:</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127da000002"> </span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">        (a)  The date, place, and time of sampling or measurements;</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">        (b)  The date </span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">the analysis was</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> performed;</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">        (c)  The company or entity that performed the analys</span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">i</span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">s;</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">        (d)  The analytical techniques or methods used;</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">        (e)  The results of </span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">the</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> analys</span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">i</span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">s; and</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">        (f)  The operating conditions as existing at the time of sampling or measurement;</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127da000002"> </span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">    (4)  Recordkeeping and reporting requirements that comply with the following:</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127da000002"> </span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">        (a)  Submission of reports of any required monitoring must occur at least every six months. Reports must clearly identify all exceedances with §§ </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:21:04"><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000003">74:36:21:04</span></a><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> and </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:21:06"><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000003">74:36:21:06</span></a><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">. All required reports must be certified by a responsible official; and</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127da000002"> </span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">    </span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">    </span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">(b)  Exceedances of §§ </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:21:04"><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000003">74:36:21:04</span></a><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> and </span><a href="https://sdlegislature.gov/Rules?Rule=74:36:21:06"><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000003">74:36:21:06</span></a><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">, including those attributable to upset conditions. The probable cause of </span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">the</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> exceedance and any corrective actions or preventive measures taken must be promptly reported and certified by a responsible official; and</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127da000002"> </span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">    (5)  Requirements for retention of monitoring records and all supporting documentation for at least five years from the date of the monitoring sample, measurement, report, or application.</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127da000002"> </span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">    </span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000001">Source:</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> 37 SDR 111, effective December 7, 2010; 38 SDR 39, effective September 19, 2011; 39 SDR 219, effective June 25, 2013; 42 SDR 52, effective October 13, 2015; 44 SDR 43, effective September 13, 2017</span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">; 46 SDR 64, effective November 25, 2019; 52 SDR 27, effective September 17, 2025</span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">.</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">    </span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000001">General Authority:</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-6"><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000003">34A-1-6</span></a><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">.</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0">    </span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000001">Law Implemented:</span><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127daC0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=34A-1-1"><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000003">34A-1-</span><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0-000003">1</span></a><span class="s434915ef-aa28-40fb-af81-ffe94be127daC0">.</span></p><p dir="ltr" class="s434915ef-aa28-40fb-af81-ffe94be127daP0"><span xml:space="preserve" class="s434915ef-aa28-40fb-af81-ffe94be127da000002"> </span></p></div></body></html>