Chapter 6. Air Quality Standards, Definitions, Sampling and Reference Methods and Air Pollution Control Regulations for the Entire State of Missouri

particulate matter including condensables. PURPOSE: This rule defines methods for performing emissions sampling on air pollution sources throughout Missouri when (6) The sulfur dioxide emissions from air pollution sources shall required in the Air Conservation Commission emission…

(E) Reserved. PURPOSE: This rule provides reference methods for determining (F) The concentration of nitrogen dioxide shall be determined ambient air/atmosphere data and information necessary for as specified in 40 CFR 50, Appendix F—Measurement Principle the enforcement of air p…

wood; PURPOSE: This rule sets forth the conditions and restrictions for 5. Salvage operation waste; the open burning of refuse and combustible materials throughout 6. Household waste on or from properties with five (5) or Missouri. The evidence supporting the need for this propos…

Conditions notification shall be given within two (2) business days of the PURPOSE: This rule, applicable to all installations in Missouri, release. In all cases, the notification shall be a written report provides the owner or operator of an installation the opportunity and incl…

determination that a permit is not required has been obtained; emission monitoring systems, continuous opacity monitoring (F) The pyrolysis of wood for the production of charcoal in systems, continuous parameter monitoring systems, or other batch-type charcoal kilns regulated und…

operations are exempt under another section of this rule; PURPOSE: This rule lists specific construction or modification B. Comfort air conditioning or comfort ventilating projects that are exempt from the requirement to obtain permits systems not designed or used to control air …

malfunction. PURPOSE: This rule creates a process by which sources can be (F) Manure storage and application systems—Any system exempt from 10 CSR 10-6.060 Construction Permits Required, that includes, but is not limited to lagoons, manure treatment by establishing conditions und…

14. Combustion equipment that— PURPOSE: This rule defines air con­taminant sources which are A. Emits only combustion products; required to obtain operating permits and establishes procedures B. Produces less than one hundred fifty (150) pounds per for obtaining and complying wit…

Pollutants PURPOSE: This rule incorporates by reference the maximum achievable control technology regulations in 40 CFR 61. This provides the Missouri Department of Natural Resources the authority to implement and enforce these U.S. Environmental Protection Agency regulations. PU…

Reduction Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 10 CSR 10-6.100 Alternate Emission Limits (Rescinded September 30, 2018) . . . . . . . . . . . . . . . 99 10 CSR 10-6.110 Reporting Emission Data, Emission Fees,…

effective Nov. 30, 2008. Amended: Filed Sept. 24, 2009, effective (Rescinded September 30, 2018) May 30, 2010. Amended: Filed June 18, 2010, effective Feb. 28, 2011. Amended: Filed July 1, 2011, effective Feb. 29, 2012. Amended: AUTHORITY: section 643.050, RSMo 2000. Original rul…

*Original authority: 643.050, RSMo 1965, amended 1972, 1992, 1993, 1995, 2011, 2022. Process Information PURPOSE: This rule provides procedures for reporting emission 10 CSR 10-6.090 Restriction of Emission of Fluorides From related information and establishing emission fees for …

Smelter-Refinery Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

From the Use of Dispersion Techniques (Rescinded January 30, 2026) . . . . . 112 Denny Hoskins (6/30/26) CODE OF STATE REGULATIONS 1 Secretary of State 10 CSR 10-6.150 Circumvention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . …

2. If the owner or operator of a CISWI unit makes physical PURPOSE: This rule prohibits the installation or use of any device or operational changes to an existing CISWI unit primarily to or means which conceals or dilutes an emission violating a rule. comply with the CISWI state…

through 60.2870, 40 CFR 60 subpart DDDD Tables 1 through Editor’s Note: On March 29, 1993, the Circuit Court of Cole County 9, 40 CFR 63.1348 through 63.1350, and 40 CFR 60 Appendix found that 10 CSR 10-6.160 was void since it exceeds the statutory B Specifications 12A and 12B, p…

Government Publishing Office, PO Box 979050, St. Louis, MO Incinerators 63197-9000. This rule does not incorporate any subsequent amendments or additions: PURPOSE: This rule incorporates by reference the federal regulatory (A) Increments of Progress—40 CFR 60.2575 through 60.2615…

CFR 63.1350(d), and the flow rate pursuant to 40 CFR 63.1350(n). An owner or operator of a waste-burning kiln is not required PURPOSE: This rule restricts the emission of excessive odorous to develop an emissions monitoring plan pursuant to 40 CFR 63.1350(p)(1) through (p)(4) if …

Premises of Origin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 10 CSR 10-6.180 Measurement of Emissions of Air Contaminants . . . . . . . . . . . . . . . . . . . . . . . . 115

nants requirements for existing sewage sludge incineration units in Missouri. The evidence supporting the need for this proposed PURPOSE: This rule allows the director to obtain air contaminant rulemaking, per 536.016, RSMo, is Federal Register Notice 76 FR emissions data upon re…

(Voided March 29, 1993) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 10 CSR 10-6.191 Sewage Sludge Incinerators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 10 CSR 10-6.200 Hospital, Medic…

Performance Requirements (Rescinded September 30, 2004) . . . . . . . . . . . . 124

Demolition, and Performance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 10 CSR 10-6.255 Chemical Accident Prevention for Agricultural Anhydrous Ammonia . . . . 130

tural Anhydrous Ammonia ammonia facilities and distributor or terminal agricultural anhydrous ammonia facilities. PURPOSE: This rule defines the Agricultural Anhydrous Ammonia (D) Distributor or terminal agricultural anhydrous ammonia Program and the requirements of facilities wh…

(Rescinded November 30, 2015) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 10 CSR 10-6.261 Control of Sulfur Dioxide Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 10 CSR 10-6.270 Acid Rain Source Permits Req…

PURPOSE: This rule establishes requirements for emission units emitting sulfur dioxide (SO2). These requirements maintain existing SO2 regulatory requirements previously found in 10 CSR 10-6.260 that were in place prior to the establishment of the June 22, 2010, one (1)-hour SO2 …

PURPOSE: This rule is necessary to meet the federal Clean Air Act requirements for alternate compliance certification methods and 10 CSR 10-6.300 Conformity of General Federal Actions to to enhance the enforceability of the state implementation plan. State Implementation Plans Th…

(Rescinded March 30, 2022) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 10 CSR 10-6.310 Restriction of Emissions From Municipal Solid Waste Landfills . . . . . . . . . . . 134 10 CSR 10-6.320 Sales Tax Exemption (Rescinded September 30, …

(Rescinded October 30, 2013) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

(Rescinded September 30, 2018) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138 2 CODE OF STATE REGULATIONS Denny Hoskins (6/30/26) Secretary of State…

Non-Electric Generating Boilers (Rescinded September 30, 2018) . . . . . . . . 138

(Rescinded January 30, 2019) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

(Rescinded January 30, 2019) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

(Rescinded January 30, 2019) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

(Rescinded May 30, 2013) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138 10 CSR 10-6.372 Cross-State Air Pollution Rule NOx Annual Trading Program . . . . . . . . . . . . 138

Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145 10 CSR 10-6.376 Cross-State Air Pollution Rule Annual SO2 Group 1 Trading Program . . . . . 146 10 CSR 10-6.380 Control of NOx Emissions From Portland C…

Group 1 Trading Program 1. Annual Submittal. The director must submit to the U.S. Environmental Protection Agency (EPA), in a format prescribed PURPOSE: The purpose of this rule is to have Missouri responsible by the administrator, the CSAPR SO2 Group 1 allowances listed for the …

Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

Processes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

Equipment Used for Indirect Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 10 CSR 10-6.410 Emissions Banking and Trading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 Denny Hoskins (6/30/26) CODE OF STATE REGULATIONS …

use of offsets where that use would interfere with the PURPOSE: This rule provides a mechanism for companies to nonattainment control strategy contained in the Missouri State acquire offsets for economic development in accordance with Implementation Plan. section 643.220, RSMo. T…