[Federal Register Volume 88, Number 143 (Thursday, July 27, 2023)]
[Proposed Rules]
[Pages 48598-48606]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2023-14551]



[[Page 48597]]

Vol. 88

Thursday,

No. 143

July 27, 2023

Part XV





 Environmental Protection Agency





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Semiannual Regulatory Agenda

  Federal Register / Vol. 88 , No. 143 / Thursday, July 27, 2023 / UA: 
Reg Flex Agenda  

[[Page 48598]]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Ch. I

[FRL 10845-01-OA; EPA-HQ-OAR-2011-0135]


Spring 2023 Unified Agenda of Regulatory and Deregulatory Actions

AGENCY: Environmental Protection Agency.

ACTION: Semiannual Regulatory Agenda.

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SUMMARY: The Environmental Protection Agency (EPA) publishes the 
Semiannual Agenda of Regulatory and Deregulatory Actions online at 
https://www.reginfo.gov to periodically update the public. This 
document contains information about:
     Regulations in the Semiannual Agenda that are under 
development, completed, or canceled since the last agenda; and
     Reviews of regulations with small business impacts under 
Section 610 of the Regulatory Flexibility Act.

FOR FURTHER INFORMATION CONTACT: If you have questions or comments 
about a particular action, please get in touch with the agency contact 
listed in each agenda entry. If you have general questions about the 
Semiannual Agenda, please contact: Caryn Muellerleile 
([email protected]; 202-564-2855).

Table of Contents

I. Introduction
    A. EPA's Regulatory Information
    B. What key statutes and Executive Orders guide EPA's rule and 
policymaking process?
    C. How can you be involved in EPA's rule and policymaking 
process?
II. Semiannual Agenda of Regulatory and Deregulatory Actions
    A. What actions are included in the E-agenda and the Regulatory 
Flexibility Agenda?
    B. How is the e-Agenda organized?
    C. What information is in the Regulatory Flexibility Agenda and 
the e-Agenda?
    D. What tools are available for mining Regulatory Agenda Data 
and for finding more about EPA rules and policies?
III. Review of Regulations Under Section 610 of the Regulatory 
Flexibility Act
    A. Reviews of Rules With Significant Impacts on a Substantial 
Number of Small Entities
    B. What other special attention does EPA give to the impacts of 
rules on small businesses, small governments, and small nonprofit 
organizations?
IV. Thank You for Collaborating With Us

SUPPLEMENTARY INFORMATION: 

I. Introduction

    EPA is committed to a regulatory strategy that effectively achieves 
the Agency's mission of protecting human health and the environment. 
EPA publishes the Semiannual Agenda of Regulatory and Deregulatory 
Actions to update the public about regulatory activity undertaken in 
support of this mission. In the Semiannual Agenda, EPA provides notice 
of our plans to review, propose, and issue regulations. EPA is 
committed to environmental protection that benefits all communities and 
encourages public participation and meaningful engagement in our 
regulatory activities and processes.
    Additionally, EPA's Semiannual Agenda includes information about 
rules that may have a significant economic impact on a substantial 
number of small entities, and review of those regulations under the 
Regulatory Flexibility Act as amended.
    In this document, EPA explains in greater detail the types of 
actions and information available in the Semiannual Agenda and actions 
that are currently undergoing review specifically for impacts on small 
entities.

A. EPA's Regulatory Information

    ``E-Agenda,'' ``online regulatory agenda,'' and ``semiannual 
regulatory agenda'' all refer to the same comprehensive collection of 
information that, until 2007, was published in the Federal Register. 
Currently, this information is only available through an online 
database at https://www.reginfo.gov/.
    ``Regulatory Flexibility Agenda'' refers to a document that 
contains information about the subset of regulations that may have a 
significant impact on a substantial number of small entities. We 
continue to publish this document in the Federal Register pursuant to 
the Regulatory Flexibility Act of 1980. This document is available at 
https://www.govinfo.gov/app/collection/fr.
    ``Unified Regulatory Agenda'' refers to the collection of all 
agencies' agendas with an introduction prepared by the Regulatory 
Information Service Center facilitated by the U.S. General Services 
Administration.
    ``Regulatory Agenda Preamble'' refers to the document you are 
reading now. It appears as part of the Regulatory Flexibility Agenda 
and introduces both EPA's Regulatory Flexibility Agenda and the e-
Agenda.
    ``Section 610 Review'' as required by the Regulatory Flexibility 
Act means a periodic review within ten years of promulgating a final 
rule that has or may have a significant economic impact on a 
substantial number of small entities. EPA maintains a list of these 
actions at https://www.epa.gov/reg-flex/section-610-reviews. EPA is 
initiating one Section 610 review with this semiannual agenda in spring 
2023 for the 2014 rulemaking, ``Control of Air Pollution from Motor 
Vehicles: Tier 3 Motor Vehicle Emission and Fuel Standards.''

B. What key statutes and Executive Orders guide EPA's rule and 
policymaking process?

    Several environmental laws authorize EPA's actions, including but 
not limited to:
     American Innovation and Manufacturing Act (AIM)
     Clean Air Act (CAA),
     Clean Water Act (CWA),
     Comprehensive Environmental Response, Compensation, and 
Liability Act (CERCLA, or Superfund),
     Emergency Planning and Community Right-to-Know Act 
(EPCRA),
     Federal Insecticide, Fungicide, and Rodenticide Act 
(FIFRA),
     Resource Conservation and Recovery Act (RCRA),
     Safe Drinking Water Act (SDWA), and
     Toxic Substances Control Act (TSCA).
    EPA must comply not only with environmental and other statutes, but 
also with administrative legal requirements that apply to the issuance 
of regulations, such as the Administrative Procedure Act (APA), the 
Regulatory Flexibility Act (RFA) as amended by the Small Business 
Regulatory Enforcement Fairness Act (SBREFA), the Unfunded Mandates 
Reform Act (UMRA), the Paperwork Reduction Act (PRA), the National 
Technology Transfer and Advancement Act (NTTAA), and the Congressional 
Review Act (CRA).
    EPA also meets a number of requirements contained in numerous 
Executive Orders: 12866, ``Regulatory Planning and Review'' (58 FR 
51735, Oct. 4, 1993), supplemented by Executive Order 13563, 
``Improving Regulation and Regulatory Review'' (76 FR 3821, Jan. 21, 
2011) and amended by Executive Order 14094, ``Modernizing Regulatory 
Review'' (88 FR 21879, April 11, 2023); 12898, ``Environmental 
Justice'' (59 FR 7629, Feb. 16, 1994) and 14096, ``Revitalizing Our 
Nation's Commitment to Environmental Justice for All'' (88 FR 25251, 
April 26, 2023); 13045, ``Children's Health Protection'' (62 FR 19885, 
Apr. 23, 1997); 13132, ``Federalism'' (64 FR 43255, Aug. 10, 1999); 
13175, ``Consultation and Coordination with Indian Tribal Governments'' 
(65 FR 67249, Nov. 9, 2000); and 13211, ``Actions Concerning

[[Page 48599]]

Regulations That Significantly Affect Energy Supply, Distribution, or 
Use'' (66 FR 28355, May 22, 2001).

C. How can you be involved in EPA's rule and policymaking process?

    You can make your voice heard by getting in touch with the contact 
person provided in each agenda entry. EPA encourages you to participate 
as early in the process as possible. You may also participate by 
commenting on proposed rules published in the Federal Register (FR).
    Instructions on how to submit your comments through https://www.regulations.gov are provided in each Notice of Proposed Rulemaking 
(NPRM). To be most effective, comments should contain information and 
data that support your position, and you also should explain why EPA 
should incorporate your suggestion in the rule or other type of action. 
You can be particularly helpful and persuasive if you provide examples 
to illustrate your concerns and offer specific alternative(s) to what 
has been proposed by EPA.
    EPA believes its actions will be more cost effective and protective 
if the development process includes stakeholders working with us to 
help identify the most practical and effective solutions to 
environmental problems. EPA encourages you to become involved in its 
rule- and policymaking processes. For more information about EPA's 
efforts to increase transparency, participation, and collaboration in 
EPA activities, please visit https://www.epa.gov/laws-regulations/get-involved-epa-regulations.

II. Semiannual Agenda of Regulatory and Deregulatory Actions

A. What actions are included in the e-Agenda and the Regulatory 
Flexibility Agenda?

    EPA includes regulations in the e-Agenda. However, there is no 
legal significance to the omission of an item from the agenda, and EPA 
generally does not include the following categories of actions:
     Administrative actions such as delegations of authority, 
changes of address, or phone numbers.
     Under the CAA: Revisions to state implementation plans; 
equivalent methods for ambient air quality monitoring; deletions from 
the new source performance standards source categories list; 
delegations of authority to states; area designations for air quality 
planning purposes.
     Under FIFRA: Registration-related decisions, actions 
affecting the status of currently registered pesticides, and data call-
ins.
     Under the Federal Food, Drug, and Cosmetic Act: Actions 
regarding pesticide tolerances and food additive regulations.
     Under TSCA: Licensing actions and new chemical actions.
     Under RCRA: Authorization of State solid waste management 
plans and hazardous waste delisting petitions.
     Under the CWA: State Water Quality Standards, deletions 
from the section 307(a) list of toxic pollutants, suspensions of toxic 
testing requirements under the National Pollutant Discharge Elimination 
System (NPDES), and delegations of NPDES authority to States.
     Under SDWA: Actions on State underground injection control 
programs.
    Meanwhile, the Regulatory Flexibility Agenda includes:
     Actions likely to have a significant economic impact on a 
substantial number of small entities.
     Rules the Agency has identified for periodic review under 
section 610 of the RFA.
    EPA is initiating one review under section 610 of the RFA in this 
Agenda for the 2014 rulemaking ``Control of Air Pollution from Motor 
Vehicles: Tier 3 Motor Vehicle Emission and Fuel Standards.''

B. How is the e-Agenda organized?

    You can choose how to sort the agenda entries on-line by specifying 
the characteristics of the entries of interest in the desired 
individual data fields of the e-Agenda at https://www.reginfo.gov. You 
can sort based on the following characteristics: EPA subagency (such as 
Office of Water), stage of rulemaking as described in the following 
paragraphs, alphabetically by title, or the Regulation Identifier 
Number (RIN), which is assigned sequentially when an action is added to 
the agenda.
    Each entry in the Agenda is associated with one of five rulemaking 
stages. The rulemaking stages are:
    1. Pre-rule Stage--EPA's pre-rule actions are generally intended to 
determine whether the agency should initiate rulemaking. Pre-
rulemakings may include anything that influences or leads to 
rulemaking; this would include Advance Notices of Proposed Rulemaking 
(ANPRMs) or analyses of the possible need for regulatory action.
    2. Proposed Rule Stage--Proposed rulemaking actions include EPA's 
Notice of Proposed Rulemakings (NPRMs); these proposals are scheduled 
to publish in the Federal Register within the next year.
    3. Final Rule Stage--Final rulemaking actions are those actions 
that EPA is scheduled to finalize and publish in the Federal Register 
within the next year.
    4. Long-Term Actions--This section includes rulemakings for which 
the next scheduled regulatory action (such as publication of a NPRM or 
final rule) is twelve or more months into the future. We encourage you 
to explore becoming involved even if an action is listed in the Long-
Term category.
    5. Completed Actions--EPA's completed actions are those that have 
been promulgated and published in the Federal Register since 
publication of the fall 2022 Agenda. This category also includes 
actions that EPA is no longer considering and has elected to 
``withdraw'' and the results of any RFA section 610 reviews.

C. What information is in the Regulatory Flexibility Agenda and the e-
Agenda?

    The Regulatory Flexibility Agenda entries include only the nine 
categories of information that are required by the Regulatory 
Flexibility Act of 1980 and by Federal Register Agenda printing 
requirements: Sequence Number, RIN, Title, Description, Statutory 
Authority, Section 610 Review, if applicable, Regulatory Flexibility 
Analysis Required, Schedule and Contact Person. Note that the 
electronic version of the Agenda (E-Agenda) replicates each of these 
actions with more extensive information, described below.
    E-Agenda entries include:
    Title: A brief description of the subject of the regulation. The 
notation ``Section 610 Review'' follows the title if we are reviewing 
the rule as part of our periodic review of existing rules under section 
610 of the RFA (5 U.S.C. 610).
    Priority: Each entry is placed into one of the following five 
categories:
    a. Significant under 3(f)(1): Under Executive Order 12866, as 
amended, a rulemaking that may have an annual effect on the economy of 
$200 million or more, or adversely affect in a material way the 
economy, a sector of the economy, productivity, competition, jobs, the 
environment, public health or safety, or State, local, territorial, or 
tribal governments or communities.
    b. Other Significant: A rulemaking that is not economically 
significant but is considered significant for other reasons. This 
category includes rules that may:
    1. Create a serious inconsistency or otherwise interfere with an 
action taken or planned by another agency.
    2. Materially alter the budgetary impact of entitlements, grants, 
user fees,

[[Page 48600]]

or loan programs, or the rights and obligations of recipients; or
    3. Raise legal or policy issues for which centralized review would 
meaningfully further the President's priorities, or the principles in 
Executive Order 12866.
    c. Substantive, Nonsignificant: A rulemaking that has substantive 
impacts but is not Significant, Routine and Frequent, or Informational/
Administrative/Other.
    d. Routine and Frequent: A rulemaking that is a specific case of a 
recurring application of a regulatory program in the Code of Federal 
Regulations. If an action that would normally be classified Routine and 
Frequent is reviewed by the Office of Management and Budget (OMB) under 
Executive Order 12866, then we would classify the action as either 
``Economically Significant'' or ``Other Significant.''
    e. Informational/Administrative/Other: An action that is primarily 
informational or pertains to an action outside the scope of Executive 
Order 12866.
    Major: A rule is ``major'' under 5 U.S.C. 801 (Pub. L. 104-121) if 
it has resulted or is likely to result in an annual effect on the 
economy of $100 million or more or meets other criteria specified in 
the Congressional Review Act.
    Unfunded Mandates: Whether the rule is covered by section 202 of 
the Unfunded Mandates Reform Act of 1995 (Pub. L. 104-4). The Act 
requires that, before issuing an NPRM likely to result in a mandate 
that may result in expenditures by State, local, and tribal 
governments, in the aggregate, or by the private sector of more than 
$100 million in 1 year, the agency prepare a written statement on 
federal mandates addressing costs, benefits, and intergovernmental 
consultation.
    Legal Authority: The sections of the United States Code (U.S.C.), 
Public Law (Pub. L.), Executive Order (E.O.), or common name of the law 
that authorizes the regulatory action.
    CFR Citation: The section(s) of the Code of Federal Regulations 
that would be affected by the action.
    Legal Deadline: An indication of whether the rule is subject to a 
statutory and/or a judicial deadline, the date of that deadline, and 
whether the deadline pertains to a NPRM, a Final Action, or some other 
action.
    Abstract: A brief description of the problem the action will 
address.
    Timetable: The dates and citations (if available) for all past 
steps and a projected date for at least the next step for the 
regulatory action. A date displayed in the form 03/00/2024 means the 
agency is predicting the month and year the action will take place but 
not the day it will occur. For some entries, the timetable indicates 
that the date of the next action is ``to be determined.''
    Regulatory Flexibility Analysis Required: Indicates whether EPA has 
prepared or anticipates preparing a regulatory flexibility analysis 
under section 603 or 604 of the RFA. Generally, such an analysis is 
required for proposed or final rules subject to the RFA that EPA 
believes may have a significant economic impact on a substantial number 
of small entities.
    Small Entities Affected: Indicates whether the rule is anticipated 
to have any effect on small businesses, small governments, or small 
nonprofit organizations.
    Government Levels Affected: Indicates whether the rule may have any 
effect on levels of government and, if so, whether the affected 
governments are federal, tribal, state, or local.
    Federalism Implications: Indicates whether the action is expected 
to have substantial direct effects on the States, on the relationship 
between the National Government and the States, or on the distribution 
of power and responsibilities among the various levels of government.
    Energy Impacts: Indicates whether the action is a significant 
energy action under Executive Order 13211.
    Sectors Affected: Indicates the main economic sectors regulated by 
the action. The regulated parties are identified by their North 
American Industry Classification System (NAICS) codes. These codes were 
created by the Census Bureau for collecting, analyzing, and publishing 
statistical data on the U.S. economy. There are more than 1,000 NAICS 
codes for sectors in agriculture, mining, manufacturing, services, and 
public administration.
    International Trade Impacts: Indicates whether the action is likely 
to have international trade or investment effects, or otherwise be of 
international interest.
    Agency Contact: The name, address, phone number, and email address 
of a person who is knowledgeable about the regulation.
    Additional Information: Other information about the action 
including docket information.
    URLs: For some actions, the internet addresses are included for 
reading copies of rulemaking documents, submitting comments on 
proposals, and getting more information about the rulemaking and the 
program of which it is a part.
    RIN: The Regulation Identifier Number is used by OMB to identify 
and track rulemakings. The first four digits of the RIN correspond to 
the EPA office with lead responsibility for developing the action.

D. What tools are available for mining Regulatory Agenda Data and for 
finding more about EPA rules and policies?

1. Federal Regulatory Dashboard
    The https://www.reginfo.gov searchable database maintained by the 
Regulatory Information Service Center and OMB's Office of Information 
and Regulatory Affairs (OIRA), allows users to view the Regulatory 
Agenda database (https://www.reginfo.gov/public/do/eAgendaMain), with 
options for searching, displaying, and transmitting data.
2. Subject Matter EPA Websites
    Some actions listed in the Agenda include a URL for an EPA-
maintained website that provides additional information about the 
action.
3. Public Dockets
    When EPA publishes either an Advance Notice of Proposed Rulemaking 
(ANPRM) or a Notice of Proposed Rulemaking (NPRM) in the Federal 
Register, the Agency typically establishes a docket to accumulate 
materials developed throughout the development process for that 
rulemaking. The docket serves as the repository for the collection of 
documents or information related to that Agency's action or activity, 
and is accessible both electronically or at EPA's Docket Center Reading 
Room (https://www.epa.gov/dockets). EPA uses dockets primarily for 
rulemaking actions, but dockets may also be used for section 610 
reviews and for various non-rulemaking activities, such as Federal 
Register documents seeking public comments on draft guidance, policy 
statements, information collection requests under the PRA, and other 
non-rule activities. Docket information should be in that action's 
agenda entry. All of EPA's public dockets can be located at https://www.regulations.gov. EPA particularly welcomes feedback on rulemakings 
from communities likely to be affected by these actions.

III. Review of Regulations Under Section 610 of the Regulatory 
Flexibility Act

A. Reviews of Rules With Significant Impacts on a Substantial Number of 
Small Entities

    Section 610 of the RFA requires that an agency review each rule 
that has or will have a significant economic impact

[[Page 48601]]

on a substantial number of small entities within 10 years of 
promulgation. Currently, EPA is initiating one Section 610 review with 
this semiannual agenda.

----------------------------------------------------------------------------------------------------------------
              Review title                     RIN              Docket ID No.                   Status
----------------------------------------------------------------------------------------------------------------
Section 610 Review of the Tier 3 Motor        2060-AV90  EPA-HQ-OAR-2011-0135......  Initiated.
 Vehicle Emission and Fuel Standards.
----------------------------------------------------------------------------------------------------------------

B. What other special attention does EPA give to the impacts of rules 
on small businesses, small governments, and small nonprofit 
organizations?

    For each of EPA's rulemakings, consideration is given to whether 
there will be any adverse impact on any small entity. EPA attempts to 
fit the regulatory requirements, to the extent feasible, to the scale 
of the businesses, organizations, and governmental jurisdictions 
subject to the regulation.
    Under the RFA as amended by SBREFA, the Agency must prepare a 
formal analysis of the potential negative impacts on small entities, 
convene a Small Business Advocacy Review Panel (proposed rule stage), 
and prepare a Small Entity Compliance Guide (final rule stage) unless 
the Agency certifies a rule will not have a significant economic impact 
on a substantial number of small entities. For more detailed and 
current information about the Agency's policy and practice with respect 
to implementing the RFA/SBREFA, including ongoing Small Business 
Advocacy Review Panels, please visit EPA's RFA/SBREFA website at 
https://www.epa.gov/reg-flex.

IV. Thank You for Collaborating With Us

    We would like to thank those of you who choose to join with us in 
making progress on the complex issues involved in protecting human 
health and the environment through engaging in our rulemaking process. 
Collaborative efforts such as EPA's open rulemaking processes are 
valuable tools for implementing our legal requirements in order to 
address environmental and public health challenges. Our regulatory 
agenda and your engagement play an important role in that process.

Victoria Arroyo,
Associate Administrator, Office of Policy.

                    10--Clean Air Act--Prerule Stage
------------------------------------------------------------------------
                                                           Regulation
       Sequence No.                    Title             Identifier No.
------------------------------------------------------------------------
173.......................  Section 610 Review of the          2060-AV90
                             Tier 3 Motor Vehicle
                             Emission and Fuel
                             Standards (Section 610
                             Review).
------------------------------------------------------------------------


                 10--Clean Air Act--Proposed Rule Stage
------------------------------------------------------------------------
                                                           Regulation
       Sequence No.                    Title             Identifier No.
------------------------------------------------------------------------
174.......................  National Emission                  2060-AU37
                             Standards for Hazardous
                             Air Pollutants: Ethylene
                             Oxide Commercial
                             Sterilization and
                             Fumigation Operations.
175.......................  Revisions to the Air               2060-AV41
                             Emission Reporting
                             Requirements (AERR).
------------------------------------------------------------------------


                   10--Clean Air Act--Final Rule Stage
------------------------------------------------------------------------
                                                           Regulation
       Sequence No.                    Title             Identifier No.
------------------------------------------------------------------------
176.......................  New Source Performance             2060-AV16
                             Standards and Emission
                             Guidelines for Crude Oil
                             and Natural Gas
                             Facilities: Climate
                             Review.
------------------------------------------------------------------------


                      35--TSCA--Proposed Rule Stage
------------------------------------------------------------------------
                                                           Regulation
       Sequence No.                    Title             Identifier No.
------------------------------------------------------------------------
177.......................  Tiered Data Reporting to           2070-AK62
                             Inform Prioritization,
                             Risk Evaluation and Risk
                             Management Under the
                             Toxic Substances Control
                             Act (TSCA).
178.......................  Methylene Chloride;                2070-AK70
                             Rulemaking Under the
                             Toxic Substances Control
                             Act (TSCA).
179.......................  1-Bromopropane; Rulemaking         2070-AK73
                             Under the Toxic
                             Substances Control Act
                             (TSCA).
180.......................  Trichloroethylene;                 2070-AK83
                             Rulemaking Under the
                             Toxic Substances Control
                             Act (TSCA).
181.......................  Perchloroethylene (PCE);           2070-AK84
                             Rulemaking Under the
                             Toxic Substances Control
                             Act (TSCA).
182.......................  N-Methylpyrrolidone;               2070-AK85
                             Rulemaking Under the
                             Toxic Substances Control
                             Act (TSCA).
183.......................  C.I. Pigment Violet 29;            2070-AK87
                             Rulemaking Under the
                             Toxic Substances Control
                             Act (TSCA).
------------------------------------------------------------------------


[[Page 48602]]


                       35--TSCA--Final Rule Stage
------------------------------------------------------------------------
                                                           Regulation
       Sequence No.                    Title             Identifier No.
------------------------------------------------------------------------
184.......................  TSCA Section 8(a)(7)               2070-AK67
                             Reporting and
                             Recordkeeping
                             Requirements for
                             Perfluoroalkyl and
                             Polyfluoroalkyl
                             Substances.
------------------------------------------------------------------------


                       72--SDWA--Final Rule Stage
------------------------------------------------------------------------
                                                           Regulation
       Sequence No.                    Title             Identifier No.
------------------------------------------------------------------------
185.......................  PFAS National Primary              2040-AG18
                             Drinking Water Regulation
                             Rulemaking.
------------------------------------------------------------------------

ENVIRONMENTAL PROTECTION AGENCY (EPA)

10--Clean Air Act

Prerule Stage

173.  Section 610 Review of the Tier 3 Motor Vehicle Emission 
and Fuel Standards (Section 610 Review) [2060-AV90]

    Legal Authority: 5 U.S.C. 610
    Abstract: The rulemaking ``Control of Air Pollution From Motor 
Vehicles: Tier 3 Motor Vehicle Emission and Fuel Standards'' was 
finalized by EPA in April 2014 (79 FR 23414). The final rule 
established the Tier 3 Motor Vehicle Emission and Fuel Standards 
program. The Tier 3 program was part of a comprehensive approach to 
reducing the impacts of motor vehicles on air quality and public 
health. The program considered the vehicle and its fuel as an 
integrated system, setting new vehicle emissions standards and a new 
gasoline sulfur standard beginning in 2017. The vehicle emissions 
standards were expected to reduce both tailpipe and evaporative 
emissions from passenger cars, light-duty trucks, medium-duty passenger 
vehicles, and some heavy-duty vehicles. The gasoline sulfur standard 
were expected to enable more stringent vehicle emissions standards and 
will make emissions control systems more effective. This new entry in 
the regulatory agenda announces that EPA will review this action 
pursuant to section 610 of the Regulatory Flexibility Act (5 U.S.C. 
610) to determine if the provisions that could affect small entities 
should be continued without change or should be rescinded or amended to 
minimize adverse economic impacts on small entities. As part of this 
review, EPA will consider and solicit comments on the following 
factors: (1) The continued need for the rule; (2) the nature of 
complaints or comments received concerning the rule; (3) the complexity 
of the rule; (4) the extent to which the rule overlaps, duplicates, or 
conflicts with other Federal, State, or local government rules; and (5) 
the degree to which the technology, economic conditions or other 
factors have changed in the area affected by the rule.
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
Final Action........................   04/28/14  79 FR 23414
Begin Review........................   06/00/23  .......................
End Review..........................   12/00/23  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: No.
    Agency Contact: Jessica Mroz, Environmental Protection Agency, 
Office of Air and Radiation, 1200 Pennsylvania Avenue NW, Washington, 
DC 20460, Phone: 202 564-1094, Email: [email protected].
    RIN: 2060-AV90

ENVIRONMENTAL PROTECTION AGENCY (EPA)

10--Clean Air Act

Proposed Rule Stage

174. National Emission Standards for Hazardous Air Pollutants: Ethylene 
Oxide Commercial Sterilization and Fumigation Operations [2060-AU37]

    Legal Authority: 42 U.S.C. 7607(d); 42 U.S.C. 7414, 7601
    Abstract: In December 1994, pursuant to section 112(d) of the Clean 
Air Act, EPA promulgated the National Emission Standards for Hazardous 
Air Pollutants (NESHAP) for Ethylene Oxide Commercial Sterilization and 
Fumigation Operations (59 FR 62585). The NESHAP established standards 
for both major and area sources. EPA completed a residual risk and 
technology review for the NESHAP in 2006 and, at that time, concluded 
that no revisions to the standards were necessary. In this action, EPA 
will conduct the second technology review for the NESHAP, as required 
by law, and consider potential updates to the rule. To aid in this 
effort, EPA issued an advance notice of proposed rulemaking that 
solicited comment from stakeholders, undertook a Small Business 
Advocacy Review panel, which is needed when there is the potential for 
significant economic impacts to small businesses from any regulatory 
actions being considered, and is conducting community outreach as part 
of the development of this action. For more information, please visit 
https://www.epa.gov/stationary-sources-air-pollution/ethylene-oxide-emissions-standards-sterilization-facilities.
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
ANPRM...............................   12/12/19  84 FR 67889
NPRM................................   04/13/23  88 FR 22790
NPRM Comment Period Extended........   06/01/23  88 FR 35808
NPRM Comment Period End.............   06/27/23  .......................
Final Rule..........................   03/00/24  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: Yes.
    Agency Contact: Jon Witt, Environmental Protection Agency, Office 
of Air and Radiation, 109 T.W. Alexander Drive, Mail Code E143-05, 
Research Triangle Park, NC 27709 Phone: 919 541-5645, Email: 
[email protected].
    Steve Fruh, Environmental Protection Agency, Office of Air and 
Radiation, E143-01, 109 T.W. Alexander Drive, Research Triangle Park, 
NC 27711, Phone: 919 541-2837, Email: [email protected].
    RIN: 2060-AU37

175. Revisions to the Air Emission Reporting Requirements (AERR) [2060-
AV41]

    Legal Authority: 42 U.S.C. 7401 et seq. Clean Air Act
    Abstract: This action proposes revisions to the existing Air 
Emissions Reporting Requirements (AERR) rule last revised on February 
19, 2015 (80 FR

[[Page 48603]]

8787). The EPA is considering how to improve the quality and 
completeness of hazardous air pollutant (HAP) emissions data from 
stationary sources and all pollutant emissions data from prescribed 
fires. Further, the EPA is considering how best to quantify emissions 
from intermittent sources such as backup generators; how to obtain data 
from facilities in Indian country when a Tribe is not required to 
report emissions data; and how to address known data gaps, streamline 
processes, and improve data quality, documentation, and transparency 
for nonpoint and mobile sources.
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
NPRM................................   08/00/23  .......................
Final Rule..........................   06/00/24  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: Yes.
    Agency Contact: Marc Houyoux, Environmental Protection Agency, 
Office of Air and Radiation, C339-02, Research Triangle Park, NC 27711, 
Phone: 919 541-3649, Fax: 919 541-0684, Email: [email protected].
    RIN: 2060-AV41

ENVIRONMENTAL PROTECTION AGENCY (EPA)

10--Clean Air Act

Final Rule Stage

176. New Source Performance Standards and Emission Guidelines for Crude 
Oil and Natural Gas Facilities: Climate Review [2060-AV16]

    Legal Authority: 42 U.S.C. 7411
    Abstract: On November 15, 2021, the EPA proposed new source 
performance standards and emission guidelines for crude oil and natural 
gas facilities. (86 FR 63110). This action was in response to the 
January 20, 2021, Executive Order titled ``Protecting Public Health and 
the Environment and Restoring Science to Tackle the Climate Crisis.'' 
The 2021 action proposed to update and strengthen methane and VOC 
standards on the books for new sources, add standards for currently 
unregulated new sources, establish first nationwide Emission Guidelines 
for states to regulate existing sources. On December 6, 2022, in a 
supplemental proposal, EPA proposed to update, strengthen, and expand 
its November 2021 proposal that would secure major climate and health 
benefits for all Americans by reducing emissions of methane and other 
harmful air pollution from both new and existing sources in the oil and 
natural gas industry (87 FR 74702). The supplemental proposal would 
achieve more comprehensive emissions reductions from oil and natural 
gas operations by improving standards in the 2021 proposal and adding 
proposed requirements for sources not previously covered. Specific 
proposed requirements include fugitive emissions monitoring and repair 
at well sites, stronger requirements for flares, zero emissions 
standards for pneumatic pumps, new standards for dry seal compressors, 
and a program to allow approved third parties to identify super-
emitting events for prompt mitigation. The supplemental proposal also 
promotes innovation in methane detection technology. The proposal 
included details for implementing the Emissions Guidelines, which would 
require states to develop plans that establish, implement, and enforce 
performance standards for hundreds of thousands of existing sources 
across the country. State requirements must generally reflect the 
reductions achievable by applying the Best System of Emission Reduction 
that EPA has determined has been adequately demonstrated. States would 
have to submit plans including their requirements to EPA for review. 
The Agency expects to issue a final rule later this year.
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
NPRM................................   11/15/21  86 FR 63110
NPRM Comment Period Extended........   12/17/21  86 FR 71603
Supplemental NPRM...................   12/06/22  87 FR 74702
Final Rule..........................   08/00/23  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: Yes.
    Agency Contact: Karen Marsh, Environmental Protection Agency, 
Office of Air and Radiation, 109 T.W. Alexander Drive, Mail Code E143-
01, Research Triangle Park, NC 27711, Phone: 919 541-1065, Email: 
[email protected].
    Steve Fruh, Environmental Protection Agency, Office of Air and 
Radiation, 109 T.W. Alexander Drive, Mail Code E143-01, Research 
Triangle Park, NC 27711, NC 27711, Phone: 919 541-2837, Email: 
[email protected].
    RIN: 2060-AV16

ENVIRONMENTAL PROTECTION AGENCY (EPA)

35--TSCA

Proposed Rule Stage

177. Tiered Data Reporting To Inform Prioritization, Risk Evaluation 
and Risk Management Under the Toxic Substances Control Act (TSCA) 
[2070-AK62]

    Legal Authority: 15 U.S.C. 2601 et seq. Toxic Substances Control 
Act
    Abstract: EPA is developing a rulemaking under sections 8(a) and 
(d) of the Toxic Substances Control Act (TSCA) to establish reporting 
requirements based upon a chemical's status in the Risk Evaluation/Risk 
Management (RE/RM) Lifecycle and update the reporting requirements 
under the 40 CFR 711 Chemical Data Reporting (CDR) regulation. TSCA 
section 8(a) provides EPA the authority to require manufacturers and 
processors to report information known to or reasonably ascertainable 
by them including information on chemical identity and structure, 
manufacture, use, exposure, disposal, and health and environmental 
effects, and to maintain records of such information. Specifically, EPA 
is seeking occupational, environmental, and consumer exposure 
information. TSCA section 8(d) provides EPA the authority to require 
manufacturers, processors, and distributors to submit health and safety 
study information to the agency. EPA is developing this rule to obtain 
information about potential hazards and exposure pathways related to 
certain chemicals, particularly occupational, environmental, and 
consumer exposure information. This information is needed to inform 
prioritization, risk evaluation, and risk management of the chemical 
substances under TSCA section 6.
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
NPRM................................   02/00/24  .......................
Final Rule..........................   07/00/25  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: Yes.
    Agency Contact: Susan Sharkey, Environmental Protection Agency, 
Office of Chemical Safety and Pollution Prevention, 1200 Pennsylvania 
Avenue NW, Mail Code 7406M, Washington, DC 20460, Phone: 202 564-8789, 
Fax: 202 564-4775, Email: [email protected].
    David Turk, Environmental Protection Agency, Office of Chemical 
Safety and Pollution Prevention, 1200 Pennsylvania Avenue NW, Mail Code

[[Page 48604]]

7406M, Washington, DC 20460, Phone: 202 566-1527, Email: 
[email protected].
    RIN: 2070-AK62

178. Methylene Chloride; Rulemaking Under the Toxic Substances Control 
Act (TSCA) [2070-AK70]

    Legal Authority: 15 U.S.C. 2605 Toxic Substances Control Act
    Abstract: EPA proposed to address the unreasonable risk of injury 
to human health presented by methylene chloride under its conditions of 
use as documented in EPA's June 2020 risk evaluation and November 2022 
revised risk determination for methylene chloride prepared under the 
Toxic Substances Control Act (TSCA). EPA's risk evaluation, describing 
the conditions of use is in docket EPA-HQ-OPPT-2019-0437, with the 2022 
unreasonable risk determination and additional materials in docket EPA-
HQ-OPPT-2016-0742. To address the identified unreasonable risk, EPA is 
proposing to: prohibit the manufacture, processing, and distribution in 
commerce of methylene chloride for consumer use; prohibit most 
industrial and commercial uses of methylene chloride; require a 
workplace chemical protection program, which would include a 
requirement to meet inhalation exposure concentration limits and 
exposure monitoring for certain continued conditions of use of 
methylene chloride; require recordkeeping and downstream notification 
requirements for several conditions of use of methylene chloride; and 
provide certain time-limited exemptions from requirements for uses of 
methylene chloride that would otherwise significantly disrupt national 
security and critical infrastructure.
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
NPRM................................   05/03/23  88 FR 28284
NPRM Comment Period End.............   07/03/23  .......................
Final Rule..........................   06/00/24  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: Yes.
    Agency Contact: Ingrid Feustel, Environmental Protection Agency, 
Office of Chemical Safety and Pollution Prevention, Mail Code 7404M, 
1200 Pennsylvania Avenue NW, Washington, DC 20460, Phone: 202 564-3199, 
Email: [email protected].
    Joel Wolf, Environmental Protection Agency, Office of Chemical 
Safety and Pollution Prevention, 1200 Pennsylvania Avenue NW, Mail Code 
7404M, Washington, DC 20460, Phone: 202 564-0432, Email: 
[email protected].
    RIN: 2070-AK70

179. 1-Bromopropane; Rulemaking Under the Toxic Substances Control Act 
(TSCA) [2070-AK73]

    Legal Authority: 15 U.S.C. 2605 Toxic Substances Control Act
    Abstract: This proposed rulemaking will address the unreasonable 
risk of injury to health presented by 1-bromopropane (1-BP) under its 
conditions of use as documented in EPA's 2020 risk evaluation and 2022 
revised risk determination. Section 6(a) of the Toxic Substances 
Control Act (TSCA) requires EPA address by rule any unreasonable risk 
identified in a TSCA risk evaluation and apply requirements to the 
extent necessary so the chemical no longer presents unreasonable risk. 
EPA's risk evaluation for 1-BP, describing the conditions of use, is in 
docket EPA-HQ-OPPT-2019-0235, with the 2022 unreasonable risk 
determination and additional materials in docket EPA-HQ-OPPT-2016-0741.
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
NPRM................................   11/00/23  .......................
Final Rule..........................   03/00/25  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: Yes.
    Agency Contact: Amy Shuman, Environmental Protection Agency, Office 
of Chemical Safety and Pollution Prevention, 1200 Pennsylvania Avenue 
NW, Mail Code 7404M, Washington, DC 20460, Phone: 202 564-2978, Email: 
[email protected].
    Joel Wolf, Environmental Protection Agency, Office of Chemical 
Safety and Pollution Prevention, 1200 Pennsylvania Avenue NW, Mail Code 
7404M, Washington, DC 20460, Phone: 202 564-0432, Email: 
[email protected].
    RIN: 2070-AK73

180. Trichloroethylene; Rulemaking Under the Toxic Substances Control 
Act (TSCA) [2070-AK83]

    Legal Authority: 15 U.S.C. 2605 Toxic Substances Control Act
    Abstract: This proposed rulemaking will address the unreasonable 
risk of injury to health presented by trichloroethylene (TCE) under its 
conditions of use as documented in EPA's 2020 Risk Evaluation and 2023 
revised risk determination. Section 6(a) of the Toxic Substances 
Control Act (TSCA) requires EPA to address by rule any unreasonable 
risk identified in a TSCA risk evaluation and apply requirements to the 
extent necessary so the chemical no longer presents unreasonable risk. 
EPA's risk evaluation for TCE, describing TCE's conditions of use is in 
docket EPA-HQ-OPPT-2019-0500, with the January 2023 unreasonable risk 
determination and additional materials in docket EPA-HQ-OPPT-2016-0737.
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
NPRM................................   10/00/23  .......................
Final Rule..........................   10/00/24  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: Yes.
    Agency Contact: Gabriela Rossner, Environmental Protection Agency, 
Office of Chemical Safety and Pollution Prevention, 1200 Pennsylvania 
Avenue NW, Mail Code 7404M, Washington, DC 20460, Phone: 202 564-2426, 
Email: [email protected].
    Joel Wolf, Environmental Protection Agency, Office of Chemical 
Safety and Pollution Prevention, 1200 Pennsylvania Avenue NW, Mail Code 
7404M, Washington, DC 20460, Phone: 202 564-0432, Email: 
[email protected].
    RIN: 2070-AK83

181. Perchloroethylene (PCE); Rulemaking Under the Toxic Substances 
Control Act (TSCA) [2070-AK84]

    Legal Authority: 15 U.S.C. 2605 Toxic Substances Control Act
    Abstract: This proposed rulemaking will address the unreasonable 
risk of injury to health presented by perchloroethylene (PCE) under its 
conditions of use as documented in EPA's 2020 Risk Evaluation and 2022 
revised risk determination. Section 6(a) of the Toxic Substances 
Control Act (TSCA) requires EPA to address by rule any unreasonable 
risk identified in a TSCA risk evaluation and apply requirements to the 
extent necessary so the chemical no longer presents unreasonable risk. 
EPA's risk evaluation for PCE, describing the conditions of use is in 
docket EPA-HQ-OPPT-2019-0502, with the 2022 unreasonable risk 
determination and additional materials in docket EPA-HQ-OPPT-2016-0732.
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
NPRM................................   06/00/23  .......................
Final Rule..........................   08/00/24  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: Yes.
    Agency Contact: Kelly Summers, Environmental Protection Agency, 
Office of Chemical Safety and Pollution Prevention, 1200 Pennsylvania 
Avenue NW, Mail Code 7405M, Washington, DC

[[Page 48605]]

20460, Phone: 202 564-2201, Email: [email protected].
    Joel Wolf, Environmental Protection Agency, Office of Chemical 
Safety and Pollution Prevention, 1200 Pennsylvania Avenue NW, Mail Code 
7404M, Washington, DC 20460, Phone: 202 564-0432, Email: 
[email protected].
    RIN: 2070-AK84

182. N-Methylpyrrolidone; Rulemaking Under the Toxic Substances Control 
Act (TSCA) [2070-AK85]

    Legal Authority: 15 U.S.C. 2605 Toxic Substances Control Act
    Abstract: This proposed rulemaking will address the unreasonable 
risk of injury to health presented by n-methylpyrrolidone (NMP) under 
its conditions of use, as documented in EPA's 2020 Risk Evaluation and 
2022 revised risk determination. Section 6(a) of the Toxic Substances 
Control Act (TSCA) requires EPA to address by rule any unreasonable 
risk identified in a TSCA section 6(b) risk evaluation by applying 
requirements to the extent necessary so the chemical no longer presents 
unreasonable risk. EPA's 2020 risk evaluation for NMP, describing its 
conditions of use is in docket EPA-HQ-OPPT-2019-0236, with the 2022 
revised unreasonable risk determination and additional materials in 
docket EPA-HQ-OPPT-2016-0743.
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
NPRM................................   10/00/23  .......................
Final Rule..........................   12/00/24  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: Yes.
    Agency Contact: Joel Wolf, Environmental Protection Agency, Office 
of Chemical Safety and Pollution Prevention, 1200 Pennsylvania Avenue 
NW, Mail Code 7404M, Washington, DC 20460, Phone: 202 564-0432, Email: 
[email protected].
    Clara Hull, Environmental Protection Agency, Office of Chemical 
Safety and Pollution Prevention, 1200 Pennsylvania Avenue NW, Mail Code 
7404M, Washington, DC 20460, Phone: 202 564-3954, Email: 
[email protected].
    RIN: 2070-AK85

183. C.I. Pigment Violet 29; Rulemaking Under the Toxic Substances 
Control Act (TSCA) [2070-AK87]

    Legal Authority: 15 U.S.C. 2605 Toxic Substances Control Act
    Abstract: This proposed rulemaking will address unreasonable risks 
of injury to health identified in the final risk evaluation for C.I. 
Pigment Violet 29. Section 6 of the Toxic Substances Control Act (TSCA) 
requires EPA to address unreasonable risks of injury to health or the 
environment that the Administrator has determined are presented by a 
chemical substance under the conditions of use. EPA's risk evaluation 
for C.I. Pigment Violet 29, describing the conditions of use and 
presenting EPA's determination of unreasonable risk, is in docket EPA-
HQ-OPPT-2018-0604, with revised risk determination and additional 
information in docket EPA-HQ-OPPT-2016-0725.
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
NPRM................................   05/00/24  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: Yes.
    Agency Contact: Dyllan Taylor, Environmental Protection Agency, 
Office of Chemical Safety and Pollution Prevention, 1200 Pennsylvania 
Avenue NW, Mail Code 7404M, Washington, DC 20460, Phone: 202 564-2913, 
Email: [email protected].
    Ana Corado, Environmental Protection Agency, Office of Chemical 
Safety and Pollution Prevention, 1200 Pennsylvania Avenue NW, Mail Code 
7404M, Washington, DC 20460, Phone: 202 564-0140, Email: 
[email protected].
    RIN: 2070-AK87

ENVIRONMENTAL PROTECTION AGENCY (EPA)

35--TSCA

Final Rule Stage

184. TSCA Section 8(a)(7) Reporting and Recordkeeping Requirements for 
Perfluoroalkyl and Polyfluoroalkyl Substances [2070-AK67]

    Legal Authority: 15 U.S.C. 2607(a)(7) Toxic Substances Control Act
    Abstract: EPA published a proposed rule on June 28, 2021, 
addressing reporting and recordkeeping requirements for Per- and 
Polyfluoroalkyl Substances (PFAS) under section 8(a)(7) of the Toxic 
Substances Control Act (TSCA). In accordance with obligations under 
TSCA section 8(a), as amended by section 7351 of the National Defense 
Authorization Act for Fiscal Year 2020, persons that manufacture 
(including import) or have manufactured these chemical substances in 
any year since January 1, 2011, would be subject to the reporting and 
recordkeeping requirements. In addition to fulfilling statutory 
obligations under TSCA, EPA expects that the final rule will enable EPA 
to better characterize the sources and quantities of manufactured PFAS 
in the United States. EPA solicited additional public comments on an 
Initial Regulatory Flexibility Analysis (IRFA) following the completion 
of a Small Business Advocacy Review (SBAR) Panel addressing the 
proposed PFAS reporting and recordkeeping requirements.
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
NPRM................................   06/28/21  86 FR 33926
Notice..............................   11/25/22  87 FR 72439
Comment Period End..................   12/27/22  .......................
Final Rule..........................   09/00/23  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: Yes.
    Agency Contact: Stephanie Griffin, Environmental Protection Agency, 
Office of Chemical Safety and Pollution Prevention, 1200 Pennsylvania 
Avenue NW, Mail Code 7406M, Washington, DC 20460, Phone: 202 564-1463, 
Email: [email protected].
    David Turk, Environmental Protection Agency, Office of Chemical 
Safety and Pollution Prevention, 1200 Pennsylvania Avenue NW, Mail Code 
7406M, Washington, DC 20460, Phone: 202 566-1527, Email: 
[email protected].
    RIN: 2070-AK67

ENVIRONMENTAL PROTECTION AGENCY (EPA)

72--SDWA

Final Rule Stage

185. PFAS National Primary Drinking Water Regulation Rulemaking [2040-
AG18]

    Legal Authority: 42 U.S.C. 300f et seq.; Safe Drinking Water Act
    Abstract: On March 3, 2021, the Environmental Protection Agency 
(EPA) published the Fourth Regulatory Determinations in Federal 
Register, including a determination to regulate perfluorooctanoic acid 
(PFOA) and perfluorooctanesulfonic acid (PFOS) in drinking water. Per 
the Safe Drinking Water Act, following publication of the Regulatory 
Determination, the Administrator shall propose a maximum contaminant 
level goal (MCLG) and a national primary drinking water regulation 
(NPDWR) not later than 24 months after determination and promulgate a 
NPDWR within 18 months after proposal (the statute authorizes a

[[Page 48606]]

9-month extension of this promulgation date). With this action, EPA 
intends to develop a proposed national primary drinking water 
regulation for PFOA and PFOS, and as appropriate, take final action. 
Additionally, EPA will continue to consider other PFAS as part of this 
action. This action provides a key commitment in EPA's ``PFAS Strategic 
Roadmap: EPA's Commitments to Action 2021-2024.''
    Timetable:

------------------------------------------------------------------------
               Action                    Date            FR Cite
------------------------------------------------------------------------
Notice..............................   02/09/22  87 FR 7412
NPRM................................   03/29/23  88 FR 18638
NPRM Comment Period End.............   05/30/23  .......................
Final Rule..........................   01/00/24  .......................
------------------------------------------------------------------------

    Regulatory Flexibility Analysis Required: Yes.
    Agency Contact: Alexis Lan, Environmental Protection Agency, Office 
of Water, 1200 Pennsylvania Avenue NW, 4601M, Washington, DC 20460, 
Phone: 202 564-0841, Email: [email protected].
    RIN: 2040-AG18

[FR Doc. 2023-14551 Filed 7-26-23; 8:45 am]
BILLING CODE 6560-50-P