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This spreadsheet is primarily based on the lists of facilities EPA identified in the rulemaking documents at the time the rules were finalized. Links to those lists are available in the table below. The complete list of facilities in these source categories may be longer and other facilities not on these lists may nonetheless seek exemptions. For example, the list of exemptions for coal power plants ("Annex 1") included additional facilities that have now been added.

The facilities identified as having received or requested exemptions are based solely on public information. For some of the facilities, like the HON Rule facilities, trade associations have asked for exemptions. The data sources related to facilities seeking or receiving exemptions are outlined below. The data available about exemptions or from rulemaking records may have since changed or be incomplete and is periodically being updated.
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RULEREFERENCE INFO
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Sterilizer RuleA list of the known 88 facilities is available in Appendix 1 of the document, Residual Risk Assessment for the Commercial Sterilization Facilities Source Category in Support of the 2024 Risk and Technology Review Final Rule - docket # EPA-HQ-OAR-2019-0178
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This spreadsheet includes 87 sterilizer facilities since one has closed since the rule was finalized
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Additional name, location (lat/lon, address, county, zip) from EPA ECHO
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MATS2024 Update to the 2023 Proposed Technology Review for the Coal- and Oil-Fired EGU Source Category Memorandum (2024 Technical Memo)
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Taconite Rule“There are eight facilities owned by two parent companies, with six facilities in Minnesota (MN) and two in Michigan (MI). One facility in MI is indefinitely idled.” (EPA Fact Sheet)
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RIA page 2-11 includes facility, location, and owner info
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Additional name, location (lat/lon, address, county, zip) from EPA ECHO
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Iron and Steel Rule“There are ten integrated iron and steel manufacturing facilities (eight operating and two idle) in the U.S.” (EPA Fact Sheet)
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RIA Table 2-3, page 2-10, includes list of facilities, owner, and location
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Additional name, location (lat/lon, address, county, zip) from EPA ECHO
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Rubber Tire Rule"The source category covered by the NESHAP currently includes 15 major source facilities." 89 Fed. Reg. 94887, November 29, 2024
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EIA Rubber Tire spreadsheet includes the names of the 15 facilities (see 'weighting of cost by company' tab) - docket # EPA-HQ-OAR-2019-0392-0082
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Additional name, location (lat/lon, address, county, state, zip) from EPA ECHO
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HON RuleHON, P&R I, P&R II
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EPA's List of Facilities Subject to HON and Group I and Group II Polymers and Resins NESHAP
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Lime Rule"The source category covered by this MACT standard currently includes 34 facilities" 89 Fed. Reg. 57740, July 16, 2024
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A list of Utility Parent Companies Owning Affected Lime Manufacturing Plants in the RIA (Table 26) lists location (city, state) for 34 facilities
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FRS, Name, Owner, Location data taken from Draft List of Lime Facilities in Docket (Correspondance with Industry) - EPA-HQ-OAR-2017-0015-0049
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Additional location (lat/lon, county) from EPA ECHO
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Copper RuleEPA Fact Sheet identifies the three facilities in the U.S. covered by these actions – two major sources located in Hayden, AZ, and Claypool, AZ, and one area source in Magna, UT.
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Background Primary Copper Smelting Source Category (slide 3) - Docket # EPA-HQ-OAR-2020-0430-0212
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Additional location (lat/lon, address, county, zip) from EPA ECHO
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Coke Ovens RuleList of facilities, parent companies, state available in Fugitive Monitoring at Coke Oven Facilities (Table 1) - docket # EPA-HQ-OAR-2002-0085-1560
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Additional name, location (lat/lon, address, county, zip) from EPA ECHO
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Exemption InformationSources used to determine exemption status of facilitiesLink
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American Chemistry Council and American Fuel and Petrochemical Manufacturers letter requesting exemption for all HON, P&R I, and P&R II facilitiesRelevant Language: "While EPA requests that “sources” provide recommendations as to why a two-year Presidential exemption is warranted under the Clean Air Act (CAA) Section 112(i)(4), we write as broader associations on behalf of our member companies because the rule’s current compliance deadlines are generally unachievable[FN8] . . . If, however, the President determines that it is necessary to make determinations on a source-by-source basis, he should do so for all affected sources and facilities identified by the Agency, considering both the national security and general feasibility concerns presented in this letter as well as information submitted by member companies."

"[FN8] 8 See EPA’s List of Facilities Subject to the HON, Group I and Group II Polymers and Resins NESHAPs, and NSPS subparts VV, VVa, III, NNN, and RRR, March 2023 attached at Appendix _."

"ACC and AFPM appreciate this opportunity to request a two-year compliance extension for all sources subject to the HON Rule."		Link
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Annex 1 from "Regulatory Relief for Certain Stationary Sources to Promote American Energy"On April 8, 2025, President Trump issued two year exemptions for 68 coal fired power plants listed in Annex 1Link
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Request from Dow Chemical, March 31, 2025The Dow Chemical Company requested a presidential exemption from the HON Rule for their Plaquemine, Louisiana chemical manufacturing facility on March 31, 2025Link
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Request from ALCON Research, March 31, 2025ALCON Research Ltd. requested a presidential exemption from the Sterilizer Rule for their Cabell County, West Virginia facility, ALCON Advance Optic Device Center, on March 31, 2025Link
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Request from ABC Coke, March 31, 2025ABC Coke requested a presidential exemption for their coke facility in Birmingham Alabama on March 31, 2025Link
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Louisville Public Radio Article, April 29, 2025LPM reached out to coal facilities in Kentucky and two companies, LG&E/KU and Duke Energy, both provided statements saying they had not requested exemptions for their coal facilities in Kentucky. LG&E/KU have four facilities and Duke Energy has one in Kentucky.

"LG&E and KU run coal plants in Mercer, Carroll, Jefferson and Trimble counties. Spokesperson Chris Whelan confirmed they didn’t request an exemption to the MATS rule. She said LG&E/KU “already implemented tighter controls, meaning that we are operating with thinner compliance margins and undertaking more stringent testing protocols.”"

"[A] spokesperson for Duke Energy told KyCIR the utility did not apply for an exemption for its Kentucky coal plant, East Bend Station in Boone County.“After careful consideration of the statutory requirements necessary to seek a presidential exemption, Duke Energy determined that it was in the best interest of our customers not to seek an (exemption),” spokesperson Matt Martin said via email."		Link
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