Proposed Rule2025-13697

Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals From Electric Utilities; CCR Management Unit Deadline Extension Rule

Primary source

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Published
July 22, 2025

Issuing agencies

Environmental Protection Agency

Abstract

The Environmental Protection Agency (EPA or the Agency) is proposing to modify compliance deadlines for select provisions published in the Federal Register on May 8, 2024. This May 8, 2024 rule (Legacy Final Rule) established regulatory requirements for legacy coal combustion residuals (CCR) surface impoundments and CCR management units (CCRMU) under the Resource Conservation and Recovery Act (RCRA). This proposal seeks comment on issues discussed in the direct final rule published in this Federal Register to establish an additional option for owners or operators of active CCR facilities or inactive CCR facilities with a legacy CCR surface impoundment to comply with the Facility Evaluation Report (FER) Part 1 and to extend compliance deadlines for the remaining CCRMU provisions published in the Legacy Final Rule. EPA is also soliciting comment on extending the deadline to prepare both FER Part 1 and Part 2 by 12 months.

Full Text

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<title>Federal Register, Volume 90 Issue 138 (Tuesday, July 22, 2025)</title>
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[Federal Register Volume 90, Number 138 (Tuesday, July 22, 2025)]
[Proposed Rules]
[Pages 34409-34411]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2025-13697]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 257

[EPA-HQ-OLEM-2020-0107; FRL-7814.2-01-OLEM]
RIN 2050-AH36


Hazardous and Solid Waste Management System: Disposal of Coal 
Combustion Residuals From Electric Utilities; CCR Management Unit 
Deadline Extension Rule

AGENCY: Environmental Protection Agency (EPA).

ACTION: Proposed rule.

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SUMMARY: The Environmental Protection Agency (EPA or the Agency) is 
proposing to modify compliance deadlines for select provisions 
published in the Federal Register on May 8, 2024. This May 8, 2024 rule 
(Legacy Final Rule) established regulatory requirements for legacy coal 
combustion residuals (CCR) surface impoundments and CCR management 
units (CCRMU) under the Resource Conservation and Recovery Act (RCRA). 
This proposal seeks comment on issues discussed in the direct final 
rule published in this Federal Register to establish an additional 
option for owners or operators of active CCR facilities or inactive CCR 
facilities with a legacy CCR surface impoundment to comply with the 
Facility Evaluation Report (FER) Part 1 and to extend compliance 
deadlines for the remaining CCRMU provisions published in the Legacy 
Final Rule. EPA is also soliciting comment on extending the deadline to 
prepare both FER Part 1 and Part 2 by 12 months.

DATES: Comments must be received on or before August 21, 2025.

ADDRESSES: You may send comments, identified by Docket ID No. EPA-HQ-
OLEM-2020-0107, by any of the following methods:
    <bullet> Federal eRulemaking Portal: <a href="https://www.regulations.gov/">https://www.regulations.gov/</a> 
(our preferred method). Follow the online instructions for submitting 
comments.
    <bullet> Mail: U.S. Environmental Protection Agency, EPA Docket 
Center, Office of Land and Emergency Management (OLEM) Docket, Mail 
Code 28221T, 1200 Pennsylvania Ave. NW, Washington, DC 20460.
    <bullet> Hand Delivery or Courier (by scheduled appointment only): 
EPA Docket Center, WJC West Building, Room 3334, 1301 Constitution 
Avenue NW, Washington, DC 20004. The Docket Center's hours of 
operations are 8:30 a.m.-4:30 p.m., Monday-Friday (except Federal 
Holidays).
    Instructions: All submissions received must include the Docket ID 
No. for this rulemaking. Comments received may be posted without change 
to <a href="https://www.regulations.gov/">https://www.regulations.gov/</a>, including any personal information 
provided. For detailed instructions on sending comments and additional 
information on the rulemaking process, see the ``Public Participation'' 
heading of the SUPPLEMENTARY INFORMATION section of this document.

FOR FURTHER INFORMATION CONTACT: For questions concerning this 
proposal, contact Taylor Holt, Office of Resource Conservation and 
Recovery, Materials Recovery and Waste Management Division, 
Environmental Protection Agency, 1200 Pennsylvania Avenue NW, MC: 
5304T, Washington, DC 20460; telephone number: (202) 566-1439; email 
address: <a href="/cdn-cgi/l/email-protection#f49c9b9880da80958d989b86b4918495da939b82"><span class="__cf_email__" data-cfemail="086067647c267c697164677a486d7869266f677e">[email&#160;protected]</span></a>, or Frank Behan, Office of Resource 
Conservation and Recovery, Materials Recovery and Waste Management 
Division, Environmental Protection Agency, 1200 Pennsylvania Avenue NW, 
MC: 5304T, Washington, DC 20460; telephone number: (202) 566-0531; 
email address: <a href="/cdn-cgi/l/email-protection#6d0f08050c03430b1f0c03062d081d0c430a021b"><span class="__cf_email__" data-cfemail="0466616c656a2a6276656a6f446174652a636b72">[email&#160;protected]</span></a>. For more information on this 
rulemaking please visit <a href="https://www.epa.gov/coalash">https://www.epa.gov/coalash</a>.

SUPPLEMENTARY INFORMATION:

I. Public Participation-Written Comments

    Submit your comments, identified by Docket ID No. EPA-HQ-OLEM-2020-
0107, at <a href="https://www.regulations.gov">https://www.regulations.gov</a> (our preferred method), or the 
other methods identified in the ADDRESSES section. Once submitted, 
comments cannot be edited or removed from the docket. EPA may publish 
any comment received to its public docket. Do not submit to EPA's 
docket at <a href="https://www.regulations.gov">https://www.regulations.gov</a> any information you consider to 
be Confidential Business Information (CBI), Proprietary Business 
Information (PBI), or other information whose disclosure is restricted 
by statute. Multimedia submissions (audio, video, etc.) must be 
accompanied by a written comment. The written comment is considered the 
official comment and should include discussion of all points you wish 
to make. EPA will generally not consider comments or comment contents 
located outside of the primary submission (i.e., on the web, cloud, or 
other file sharing system). Please visit <a href="https://www.epa.gov/dockets/commenting-epa-dockets">https://www.epa.gov/dockets/commenting-epa-dockets</a> for additional submission methods; the full EPA 
public comment policy; information about CBI, PBI, or multimedia 
submissions; and general guidance on making effective comments.

II. General Information

A. Does this action apply to me?

    This rule may be of interest to electric utilities and independent 
power producers that fall within the North American Industry 
Classification System (NAICS) code 221112. The reference to NAICS code 
221112 is not intended to be exhaustive, but rather provides a guide 
for readers regarding entities likely to be regulated by this action. 
This discussion lists the types of entities that EPA is now aware could 
potentially be regulated by this action. Other types of entities not 
described here could also be regulated. To determine whether your 
entity is regulated by this action, you should carefully examine the 
applicability criteria found in Sec.  257.50 of title 40 of the Code of 
Federal Regulations (CFR). If you have questions regarding the 
applicability of this action to a particular entity, consult the person

[[Page 34410]]

listed in the FOR FURTHER INFORMATION CONTACT section.

B. What action is the agency taking?

    EPA is proposing to amend the regulations governing the disposal of 
CCR in landfills, surface impoundments and land where noncontainerized 
accumulations of CCR are received, placed, or otherwise managed 
(CCRMU), which are codified in subpart D of part 257 of title 40 of the 
CFR (CCR regulations). Specifically, EPA is proposing (1) to establish 
an additional option for owners or operators of active CCR facilities 
or inactive CCR facilities with a legacy CCR surface impoundment to 
comply with the FER Part 1 requirements and (2) to extend the deadline 
for the remaining CCRMU requirements. Lastly, EPA is soliciting comment 
on extending the deadlines to prepare each FER by 12 months with the 
same option as discussed in the direct final rule, where owners and 
operators would be allowed to complete FER Parts 1 and 2 concurrently. 
Further details are discussed in the preamble of the direct final rule 
published in the ``Rules and Regulations'' section of this Federal 
Register.
    In the ``Rules and Regulations'' section of this Federal Register, 
EPA has also published a direct final rule for this same action because 
the Agency views this as a noncontroversial action and anticipates no 
adverse comment. EPA has explained the reasons for this in the preamble 
to the direct final rule. This proposed rule provides an opportunity 
for the public to comment on the issues discussed in the preamble to 
the direct final rule as well as the comment solicitation discussed in 
Unit III. of this preamble.
    In this proposal, EPA is not reconsidering, proposing to reopen, or 
otherwise soliciting comment on any other provisions of the existing 
CCR regulations beyond those specifically identified in this proposal. 
For the reader's convenience, EPA has provided a background description 
of existing requirements in several places throughout this preamble. In 
the absence of a specific request for comment and proposed change to 
the identified provisions, these descriptions do not reopen any of the 
described provisions. EPA will not respond to comments submitted on any 
issues other than those specifically identified in this proposal, and 
such comments will not be considered part of the rulemaking record.
    If EPA receives no adverse comment on the regulatory revisions in 
the direct final rule, the Agency will not take further action on this 
proposed rule and the direct final rule will become effective as 
provided in that action. If EPA does receive adverse comment, EPA will 
publish a timely withdrawal in the Federal Register informing the 
public about the specific regulatory paragraph(s) or amendment(s) in 
the direct final rule that will not take effect. The revisions in the 
direct final rule that are not withdrawn will become effective on the 
date set out in the Dates section of the direct final rule. EPA will 
address all public comments in any subsequent final rule based on this 
proposed rule.
    EPA does not intend to institute a second comment period on this 
action. Any parties interested in commenting must do so at this time. 
For further information about commenting on this proposed rule see the 
ADDRESSES section of this document.

C. What is the agency's authority for taking this action?

    EPA is publishing this rulemaking under the authority of sections 
1008(a)(3), 2002(a), 4004, and 4005(a), (d) of the Solid Waste Disposal 
Act of 1965, as amended by the Resource Conservation and Recovery Act 
of 1976 (RCRA), as amended by the Hazardous and Solid Waste Amendments 
of 1984 (HSWA) and the Water Infrastructure Improvements for the Nation 
(WIIN) Act of 2016, 42 U.S.C. 6907(a), 6912(a), 6944, 6945(a) and (d).

D. What are the incremental costs and benefits of this action?

    EPA establishes the requirements under RCRA sections 1008(a)(3) and 
4004(a) without taking cost into account. See, Utility Solid Waste 
Activities Group, et al. v. EPA (USWAG) 901 F.3d 414, 448-49 (D.C. Cir. 
2018). The following cost estimates are presented in the Regulatory 
Economic Assessment (REA) and summarized in this preamble for 
compliance with OMB Circular A-4 and E.O. 12866. The requirements in 
this rule do not rely on these cost estimates.
    The REA estimates that the annualized cost savings of this action 
will be approximately $2.97-$3.48 million per year when discounting at 
3%. The REA estimates that the annualized cost savings of this action 
will be approximately $9.43-$11.3 million per year when discounting at 
7%. The REA estimates that the annualized reduction in benefits of this 
action will be approximately $0.18-$0.62 million per year when 
discounting at 3%. The REA estimates that the annualized reduction in 
benefits of this action will be approximately $0.38-$1.20 million per 
year when discounting at 7%. Overall, the REA estimates that the net 
annualized cost savings of this action will be $2.84-$3.63 million per 
year when discounting at 3%, and $9.05-$10.1 million when discounting 
at 7%.
    Further information on the economic effects of this action can be 
found in the preamble of the direct final rule published in the ``Rules 
and Regulations'' section of this Federal Register.

E. Where is the location of regulatory text for this proposal?

    The regulatory text for this proposal is identical to that for the 
direct final rule published in the ``Rules and Regulations'' section of 
this Federal Register. For further supplemental information, the 
detailed rationale for the proposal, and the regulatory revisions, see 
the information provided in the direct final rule published in the 
``Rules and Regulations'' section of this Federal Register.

III. Comment Solicitation on Extending the Facility Evaluation Report 
Parts 1 and 2 Compliance Deadlines

    In this proposed rule EPA is additionally soliciting comment on 
whether to extend the deadlines to prepare each of the FERs by 12 
months. This deadline extension would be in addition to the alternative 
option to complete the FER Parts 1 and 2 by a single deadline described 
in the direct final rule. Taken together, the effect of the extension 
and the direct final rule would be to allow a facility to either (1) 
complete FER Part 1 by February 8, 2027, and the FER Part 2 by February 
8, 2028, or (2) complete FER Parts 1 and 2 by February 8, 2028. If EPA 
extends the FER deadlines, all other CCRMU requirements would also be 
extended by 12 months.

1. Revisions to the Facility Evaluation Report Part 1 and Part 2 
Compliance Deadlines

    As mentioned in Unit IV.A.3. of the direct final rule, EPA received 
feedback that some owners or operators of active facilities or 
facilities with a legacy CCR surface impoundment found the FER Part 1 
and 2 compliance deadlines infeasible. While some members of the 
regulated community only requested the consolidation of the FER 
deadlines, others requested EPA to extend the FER compliance deadlines 
by no less than 12 months. These companies cited the same challenges 
with the existing compliance deadlines discussed in Unit IV.A.3. of the 
direct final rule, namely the difficulty of accessing and reviewing 
historical documentation, contractor shortages and backlogs, large 
volumes of

[[Page 34411]]

data, and the need to coordinate across affiliate companies or with 
local, state, and federal regulatory authorities. However, these 
entities stated that an extension of 12 months for both FER Part 1 and 
Part 2 was necessary to provide sufficient time for data and 
information collection, review, field work, and completion of the 
reports given the challenges mentioned above.
    Commenters did not provide sufficient support for a proposal to 
extend the FER 2 compliance deadlines by 12 months. However, as stated 
in both the Legacy Final Rule and Unit IV.A.2. of the direct final 
rule, EPA recognizes the need to provide sufficient time for the 
completion of a robust FER. This is because the FER serves as the 
prerequisite for all other CCRMU requirements. Therefore, in response 
to these comments, EPA is soliciting comment on whether to extend each 
of the FER compliance deadlines by 12 months. As the rule is modified 
by the direct final rule and after the proposed extension, a facility 
could either (1) complete FER Part 1 by February 8, 2027, and the FER 
Part 2 by February 8, 2028, or (2) complete FER Parts 1 and 2 by 
February 8, 2028. Note that the proposed extension does not eliminate 
the requirement to prepare the report documenting compliance with part 
1 of the facility evaluation (i.e., FER Part 1). The changes would 
merely require the FER Part 1 to be complete no later than the revised 
deadline for completing FER Part 2.

2. Conforming Revisions to Other CCRMU Compliance Deadlines

    As explained in the Legacy Final Rule, the FER serves as the 
prerequisite for all other CCRMU requirements. See 89 FR 39060. 
Therefore, for the same reasons as laid out in Unit IV.C. of the direct 
final rule, if EPA extends the FER Parts 1 and 2 deadlines, EPA will 
make conforming changes to the remaining CCRMU compliance deadlines. 
Specifically, EPA would extend the deadlines to comply with the 
groundwater monitoring, closure, and post-closure care requirements by 
12 months. Additionally, because the deadline to establish a public CCR 
website is tied to the first reporting requirement, which would be the 
FER Part 1, EPA would provide facilities with the option to establish 
the public CCR website specified in Sec.  257.107 by no later than 
either February 9, 2027 or February 8, 2028 to correspond to when the 
owner or operator completes FER Part 1. These conforming changes, along 
with those included in the direct final rule, are shown below in table 
1.

  Table 1--Comparison of Compliance Deadlines for CCRMU Under the Legacy Final Rule, the Direct Final Rule, and
                                  the Alternative EPA Is Soliciting Comment On
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                                    Description of                                             Alternative with
   40 CFR part 257,  subpart D     requirement to be   Legacy final rule   Direct final rule      FER  part 2
           requirement                 completed           deadlines           deadlines           extension
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Internet Posting (Sec.            Establish CCR       February 9, 2026..  February 9, 2026    February 8, 2027
 257.107).                         website.                                or February 8,      or February 8,
                                                                           2027.               2028.
Facility Evaluation (Sec.         Complete the        February 9, 2026..  February 9, 2026    February 8, 2027
 257.75).                          Facility                                or February 8,      or February 8,
                                   Evaluation Report                       2027.               2028.
                                   Part 1.
Facility Evaluation (Sec.         Complete the        February 8, 2027..  February 8, 2027..  February 8, 2028.
 257.75).                          Facility
                                   Evaluation Report
                                   Part 2.
GWMCA (Sec.   257.91)...........  Install the         May 8, 2028.......  August 8, 2029....  May 8, 2029.
                                   groundwater
                                   monitoring system.
GWMCA (Sec.   257.93)...........  Develop the         May 8, 2028.......  August 8, 2029....  May 8, 2029.
                                   groundwater
                                   sampling and
                                   analysis program.
GWMCA (Sec.  Sec.   257.90-       Initiate detection  May 8, 2028.......  August 8, 2029....  May 8, 2029.
 257.95).                          monitoring and
                                   assessment
                                   monitoring. Begin
                                   evaluating
                                   groundwater
                                   monitoring data
                                   for SSIs over
                                   background levels
                                   and SSLs over
                                   groundwater
                                   protection
                                   standards.
GWMCA (Sec.   257.90(e))........  Complete the        January 31, 2029..  January 31, 2030..  January 31, 2030.
                                   initial annual
                                   GWMCA report.
Closure (Sec.   257.102)........  Prepare written     November 8, 2028..  February 8, 2030..  November 8, 2029.
                                   closure plan.
Post-Closure Care (Sec.           Prepare written     November 8, 2028..  February 8, 2030..  November 8, 2029.
 257.104).                         post-closure care
                                   plan.
Closure and Post-Closure Care     Initiate closure..  May 8, 2029.......  August 8, 2030....  May 8, 2030.
 (Sec.   257.101).
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IV. Statutory and Executive Order (E.O.) Reviews

    For a complete discussion of all of the administrative requirements 
applicable to this action, see the direct final rule in the ``Rules and 
Regulations'' section of this Federal Register.

List of Subjects in 40 CFR Part 257

    Environmental protection, Beneficial use, Coal combustion products, 
Coal combustion residuals, Coal combustion waste, Disposal, Hazardous 
waste, Landfill, Surface impoundment.

Lee Zeldin,
Administrator.
[FR Doc. 2025-13697 Filed 7-21-25; 8:45 am]
BILLING CODE 6560-50-P


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