Chapter 6. Air Quality Standards, Definitions, Sampling and Reference Methods and Air Pollution Control Regulations for the Entire State of Missouri
46 sections in this chapter.
10-10-6-10 CSR 10-6.010 Ambient Air Quality Standards
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PURPOSE: This rule is a compilation of standards for ambient air quality throughout Missouri in order to protect the public health and welfare. The U.S. Environmental Protection Agency has set National Ambient Air Quality Standards (NAAQS) for six (6) criteria pollutants (carbon …
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.020 Definitions and Common Reference Tables
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allowable emissions for a source operation or installation are PURPOSE: This rule defines key words and expressions used in equivalent to the actual emissions of the source operation or Chapters 1 through 6 and provides common reference tables. installation; and C. For source ope…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.030 Sampling Methods for Air Pollution Sources
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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…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.040 Reference Methods
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(20) The capture efficiency of air pollution control devices PURPOSE: This rule provides reference methods for determining shall be determined as specified by the U.S. Environmental ambient air/atmosphere data and information necessary for Protection Agency’s (EPA’s) February 7, …
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.045 Open Burning Requirements
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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…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.050 Start-Up, Shutdown, and Malfunction
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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…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.060 or 10 CSR 10-6.065) has been issued or a written
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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…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.061 Construction Permit Exemptions
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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 …
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.062 Construction Permits By Rule
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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…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.065 Operating Permits
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through plumbing traps for systems handling domestic sewage PURPOSE: This rule defines air contaminant sources which are only. Systems which include any industrial waste do not qualify Denny Hoskins (12/31/25) CODE OF STATE REGULATIONS 61 Secretary of State DIVISION 10—AIR CONSE…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.080 Emission Standards for Hazardous Air
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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…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.090 Restriction of Emission of Fluorides From Primary Aluminum
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Reduction Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 10 CSR 10-6.100 Alternate Emission Limits (Rescinded September 30, 2018) . . . . . . . . . . . . . . . 96 10 CSR 10-6.110 Reporting Emission Data, Emission Fees,…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.100 Alternate Emission Limits
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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…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.110 Reporting Emission Data, Emission Fees, and
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*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 …
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.120 Restriction of Emissions of Lead From Specific Lead
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Smelter-Refinery Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.130 Controlling Emissions During Episodes of High Air Pollution
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Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.140 Restriction of Emissions Credit for Reduced Pollutant Concentrations
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From the Use of Dispersion Techniques (Rescinded January 30, 2026) . . . . . 110 10 CSR 10-6.150 Circumvention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Denny Hoskins (12/31/25) CODE OF STATE REGULATIONS 1 Secr…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.150 Circumvention
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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…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.160 Medical Waste and Solid Waste Incinerators
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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…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.161 Commercial and Industrial Solid Waste
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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 60.261…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.165 Restriction of Emission of Odors
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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 to develop an emissions monitoring plan pursuant to 40 CFR PURPOSE: This rule restricts the emission of excessive odorous 63.1350(p)(1) through (p)(4) if …
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.170 Restriction of Particulate Matter to the Ambient Air Beyond the
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Premises of Origin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 10 CSR 10-6.180 Measurement of Emissions of Air Contaminants . . . . . . . . . . . . . . . . . . . . . . . . 113
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.180 Measurement
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Contaminants 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 …
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.190 Sewage Sludge and Industrial Waste Incinerators
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(Voided March 29, 1993) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 10 CSR 10-6.191 Sewage Sludge Incinerators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 10 CSR 10-6.200 Hospital, Medic…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.191 Sewage Sludge Incinerators
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Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.240 Asbestos Abatement Projects—Registration, Notification and
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Performance Requirements (Rescinded September 30, 2004) . . . . . . . . . . . . 122
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.241 Asbestos Projects—Registration, Abatement, Notification, Inspection,
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Demolition, and Performance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.250 Asbestos Projects—Certification, Accreditation and Business Exemption
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Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 10 CSR 10-6.255 Chemical Accident Prevention for Agricultural Anhydrous Ammonia . . . . 128
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.255 Chemical Accident Prevention for Agricul-
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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…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.260 Restriction of Emission of Sulfur Compounds
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(Rescinded November 30, 2015) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 10 CSR 10-6.261 Control of Sulfur Dioxide Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 10 CSR 10-6.270 Acid Rain Source Permits Require…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.261 Control of Sulfur Dioxide Emissions
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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 …
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.280 Compliance Monitoring Usage
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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…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.300 Conformity of General Federal Actions to State Implementation Plans
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(Rescinded March 30, 2022) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 10 CSR 10-6.310 Restriction of Emissions From Municipal Solid Waste Landfills . . . . . . . . . . . 132 10 CSR 10-6.320 Sales Tax Exemption (Rescinded September 30, …
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.345 Control of NOx Emissions From Upwind Sources
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(Rescinded October 30, 2013) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.350 Emission Limitations and Emissions Trading of Oxides of Nitrogen
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(Rescinded September 30, 2018) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.360 Control of NOx Emissions From Electric Generating Units and
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Non-Electric Generating Boilers (Rescinded September 30, 2018) . . . . . . . . 136 2 CODE OF STATE REGULATIONS Denny Hoskins (12/31/25) Secretary of State…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.362 Clean Air Interstate Rule Annual NOx Trading Program
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(Rescinded January 30, 2019) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.364 Clean Air Interstate Rule Seasonal NOx Trading Program
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(Rescinded January 30, 2019) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.366 Clean Air Interstate Rule SO2 Trading Program
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(Rescinded January 30, 2019) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.368 Control of Mercury Emissions From Electric Generating Units
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(Rescinded May 30, 2013) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136 10 CSR 10-6.372 Cross-State Air Pollution Rule NOx Annual Trading Program . . . . . . . . . . . . 136
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.374 Cross-State Air Pollution Rule NOx Ozone Season Group 2 Trading
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Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 10 CSR 10-6.376 Cross-State Air Pollution Rule Annual SO2 Group 1 Trading Program . . . . . . 144 10 CSR 10-6.380 Control of NOx Emissions From Portla…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.376 Cross-State Air Pollution Rule Annual SO2
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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 …
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.390 Control of NOx Emissions From Large Stationary Internal Combustion
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Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.400 Restriction of Emission of Particulate Matter From Industrial
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Processes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.405 Restriction of Particulate Matter Emissions from Fuel Burning
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Equipment Used for Indirect Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157 10 CSR 10-6.410 Emissions Banking and Trading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 Denny Hoskins (12/31/25) CODE OF STATE REGULATIONS…
Chapter 10-10-6Open chapter PDF ↗10-10-6-10 CSR 10-6.410 Emissions Banking and Trading
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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…
Chapter 10-10-6Open chapter PDF ↗