Section 111(d) of the Clean Air Act requires states to set emission performance standards for existing sources of designated pollutants (i.e., pollutants for which there is no national ambient air quality standard). Section 111(d) specifically directs that the process for setting such standards be similar to the State Implementation Plan process for criteria pollutants under Section 110. States must adopt plans that establish standards of performance for existing sources and submit the plans to EPA for approval.
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Power Plants
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Greenhouse Gas Performance Standards for Existing Electric Generating Units
Affordable Clean Energy (ACE) Rule Actions
MoDNR Submittal Date MoDNR Action/ Document EPA Date EPA Action/ Development N/A N/A Jan. 19, 2021 N/A N/A July 8, 2019 Final Federal Affordable Clean Energy (ACE) Rule Guidelines [84 FR 32520] Oct. 31, 2018 MoDNR Comment Letter on the Proposed Affordable Clean Energy (ACE) Rule Aug. 31, 2018 Proposed Federal Affordable Clean Energy (ACE) Rule Guidelines [83 FR 44746]
Existing Power Plants
MoDNR Submittal Date MoDNR Action/ Document EPA Date EPA Action/ Development July 28, 2023 MoDNR Comment Letter on Section 111(d) Power Plants Rule May 23, 2023 Proposed Greenhouse Gas Standards for Fossil Fuel-fired Power Plants [88 FR 33240] Nov. 21, 2022 Non-regulatory Docket Section 111(d) Power Plants Comment Letter
Sept. 8, 2022 Pre-Proposal Public Docket: Greenhouse Gas Regulations for Fossil Fuel-fired Power Plants -
Municipal Solid Waste Landfill Emission Guidelines
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Municipal Solid Waste Landfill Emissions Guidelines Actions
MoDNR Submittal Date MoDNR Action/ Document EPA Date EPA Action/ Development May 4, 2012 Section 111(d) Plan for Municipal Solid Waste Landfills April 15, 2014 Approval [79 FR 21146]
July 22, 2022 Section 111(d) Plan for Existing Municipal Solid Waste Landfills and State Rules Pending Pending -
Sewage Sludge Incinerators
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Sewage Sludge Incinerators Actions
MoDNR Submittal Date MoDNR Action/ Document EPA Date EPA Action/ Development Sept. 18, 2013 Section 111(d) Plan for Sewage Sludge Incinerators Sept. 16, 2015 Approval [80 FR 55548]
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Commercial and Industrial Solid Waste Incinerators
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Commercial and Industrial Solid Waste Incinerators Actions
MoDNR Submittal Date MoDNR Action/ Document EPA Date EPA Action/ Development Feb. 28, 2014 Section 111(d) Plan for Commercial and Industrial Solid Waste Incinerators Sept. 18, 2015 -
Hospital, Medical and Infectious Waste Incinerators
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Hospital, Medical and Infectious Waste Incinerators Actions
MoDNR Submittal Date MoDNR Action/ Document EPA Date EPA Action/ Development July 3, 2014 Section 111(d) Plan for Hospital, Medical and Infectious Waste Incinerators, 2014 version April 24, 2018 Approval [83 FR 17757]
Aug. 8, 2011 Section 111(d) Plan for Hospital, Medical and Infectious Waste Incinerators, 2011 version April 24, 2018 Approval [83 FR 17757]
July 13, 2001 Section 111(d) Plan for Hospital, Medical and Infectious Waste Incinerators, 2001 version Oct. 12, 2001 Approval [66 FR 52060]
May 1, 1999 Section 111(d) Plan for Hospital, Medical and Infectious Waste Incinerators, 1999 version Aug. 19, 1999 Approval [64 FR 45184]
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Oil and Gas Sector
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Oil and Gas Sector Actions
MoDNR Submittal Date MoDNR Action/ Document EPA Date EPA Action/ Development Dec. 6, 2022 Supplemental notice of proposed rulemaking [87 FR 74702] Jan. 31, 2022 Proposed Oil and Natural Gas Sector Performance Standards and Emissions Guidelines Comment Letter Nov. 15, 2021 Proposed Rule [86 FR 63110]
Additional Information
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