Rule2026-07396
National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units: Final Repeal; Correction
Primary source
Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.
Published
April 16, 2026
Effective
April 27, 2026
Issuing agencies
Environmental Protection Agency
Abstract
The U.S. Environmental Protection Agency (EPA) is correcting a final rule that published in the Federal Register (FR) on February 24, 2026, and will become effective on April 27, 2026. The EPA finalized the repeal of specific amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Coal- and Oil-Fired Electric Utility Steam Generating Units (EGUs), commonly referred to as the Mercury and Air Toxics Standards (MATS), that were promulgated on May 7, 2024 ("MATS NESHAP"). This action corrects inadvertent typographical errors and minor omitted text in the Federal Register. The corrections described in this action do not affect the substantive requirements of the final rule that repeal specific amendments to the MATS NESHAP, promulgated on May 7, 2024.
Full Text
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<title>Federal Register, Volume 91 Issue 73 (Thursday, April 16, 2026)</title>
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[Federal Register Volume 91, Number 73 (Thursday, April 16, 2026)]
[Rules and Regulations]
[Pages 20368-20369]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2026-07396]
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ENVIRONMENTAL PROTECTION AGENCY
40 CFR Part 63
[EPA-HQ-OAR-2018-0794; FRL-6716.4-03-OAR]
RIN 2060-AW68
National Emission Standards for Hazardous Air Pollutants: Coal-
and Oil-Fired Electric Utility Steam Generating Units: Final Repeal;
Correction
AGENCY: Environmental Protection Agency (EPA).
ACTION: Final rule; correction.
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SUMMARY: The U.S. Environmental Protection Agency (EPA) is correcting a
final rule that published in the Federal Register (FR) on February 24,
2026, and will become effective on April 27, 2026. The EPA finalized
the repeal of specific amendments to the National Emission Standards
for Hazardous Air Pollutants (NESHAP) for Coal- and Oil-Fired Electric
Utility Steam Generating Units (EGUs), commonly referred to as the
Mercury and Air Toxics Standards (MATS), that were promulgated on May
7, 2024 (``MATS NESHAP''). This action corrects inadvertent
typographical errors and minor omitted text in the Federal Register.
The corrections described in this action do not affect the substantive
requirements of the final rule that repeal specific amendments to the
MATS NESHAP, promulgated on May 7, 2024.
DATES: The correction is effective April 27, 2026.
FOR FURTHER INFORMATION CONTACT: For information about this final
action, contact U.S. EPA, Attn: Christopher Werner, Mail Drop:
Industrial Processing and Power Division (D243-01), 109 T.W. Alexander
Drive, P.O. Box 12055, Research Triangle Park, North Carolina 27711;
telephone number: (919) 541-5133; and email address:
<a href="/cdn-cgi/l/email-protection#9fe8faedf1faedb1fcf7edf6ecebf0eff7faeddffaeffeb1f8f0e9"><span class="__cf_email__" data-cfemail="641301160a01164a070c160d17100b140c0116240114054a030b12">[email protected]</span></a>.
SUPPLEMENTARY INFORMATION: The EPA is correcting the final rule,
National Emission Standards for Hazardous Air Pollutants: Coal- and
Oil-Fired Electric Utility Steam Generating Units: Final Repeal, which
published in the Federal Register at 91 FR 9088, February 24, 2026.
Following publication of this document, the EPA discovered inadvertent
typographical errors and omitted text in the regulatory text of the
MATS NESHAP.
The EPA is correcting the following errors published in Federal
Register Document Number (FR Doc.) 2026-03638, which do not change the
requirements finalized in the MATS NESHAP rule that published on
February 24, 2026:
<bullet> At 91 FR 9127, fourth column of Table 5 to Subpart UUUUU
of Part 63--Performance Testing Requirements, the final MATS NESHAP
rule amendatory instruction number 18 amended table 5 to subpart UUUUU.
The regulatory text in entry 3.e.1(D) is missing part of the Reported
Result equation. The EPA corrects this equation to read as: ``Reported
Result = (Measured Concentration in Stack)/(%R)x100.''
<bullet> At 91 FR 9133, third column, Appendix E to Subpart UUUUU
of Part 63--Data Elements, the final MATS NESHAP rule amendatory
instruction number 23 amended section 31.0 of appendix E to subpart
UUUUU. The EPA now amends the regulatory text of section 31.0 for
clarity, adding the word ``data'' in front of the third instance of the
word ``file'' in the first sentence in section 31.0 to read: ``You must
provide each test included in the data file described in this appendix
with supporting documentation, in a PDF file submitted concurrently
with the data file, such that all the data required to be reported by
Sec. 63.7(g) are provided.''
Section 553 of the Administrative Procedure Act provides that when
an agency for good cause finds that notice and public procedure are
impracticable, unnecessary, or contrary to the public interest, the
Agency may issue a rule without providing notice and opportunity for
public comment.\1\ The
[[Page 20369]]
EPA has determined that there is good cause for making this rule final
without prior proposal and opportunity for comment because the changes
to the rule are minor technical corrections, are noncontroversial in
nature, and do not substantively change the requirements of the MATS
NESHAP final rule. Rather, the changes correct inadvertent
typographical errors and minor omitted text. Additionally, the
corrections to the regulatory text match the revisions described in the
preamble to the final MATS NESHAP rule. Thus, notice and opportunity
for public comment are unnecessary. The EPA finds that this constitutes
good cause under 5 U.S.C. 553(b)(B).
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\1\ 5 U.S.C. 553(b)(B).
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Corrections
In FR Doc. 2026-03638 appearing at 91 FR 9088 in the Federal
Register of Tuesday, February 24, 2026, the following corrections are
made:
Table 5 to Subpart UUUUU of Part 63--Performance Testing Requirements
[Corrected]
1. On page 9127, in the fourth column, the text ``(D) The %R value
for each compound must be reported in the test report and all field
measurements corrected with the calculated %R value for that compound
using the following equation: Reported Result = (Measured Concentration
in Stack)/(%R)x.'' is corrected to read ``(D) The %R value for each
compound must be reported in the test report and all field measurements
corrected with the calculated %R value for that compound using the
following equation: Reported Result = (Measured Concentration in
Stack)/(%R)x100.''
Appendix E to Subpart UUUUU of Part 63--Data Elements [Corrected]
2. On page 9133, in the third column, first sentence of section
``31.0 Other Information for Each Test or Test Series'', the text ``You
must provide each test included in the data file described in this
appendix with supporting documentation, in a PDF file submitted
concurrently with the file, such that all the data required to be
reported by Sec. 63.7(g) are provided.'' is corrected to read ``You
must provide each test included in the data file described in this
appendix with supporting documentation, in a PDF file submitted
concurrently with the data file, such that all the data required to be
reported by Sec. 63.7(g) are provided.''
Dated: April 13, 2026.
Aaron Szabo,
Assistant Administrator, Office of Air and Radiation.
[FR Doc. 2026-07396 Filed 4-15-26; 8:45 am]
BILLING CODE 6560-50-P
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