Rule2026-04904

National Priorities List

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
March 13, 2026
Effective
April 13, 2026

Issuing agencies

Environmental Protection Agency

Abstract

The Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ("CERCLA" or "the Act"), as amended, requires that the National Oil and Hazardous Substances Pollution Contingency Plan ("NCP") include a list of national priorities among the known releases or threatened releases of hazardous substances, pollutants or contaminants throughout the United States. The National Priorities List ("NPL") constitutes this list. The NPL is intended primarily to guide the Environmental Protection Agency ("the EPA" or "the agency") in determining which sites warrant further investigation. These further investigations will allow the EPA to assess the nature and extent of public health and environmental risks associated with the site and to determine what CERCLA-authorized remedial action(s), if any, may be appropriate. This rule adds one site, Gelman Sciences Inc., to the General Superfund section of the NPL.

Full Text

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<title>Federal Register, Volume 91 Issue 49 (Friday, March 13, 2026)</title>
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[Federal Register Volume 91, Number 49 (Friday, March 13, 2026)]
[Rules and Regulations]
[Pages 12304-12308]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2026-04904]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 300

[EPA-HQ-OLEM-2024-0067; FRL-11724.1-02-OLEM]


National Priorities List

AGENCY: Environmental Protection Agency (EPA).

ACTION: Final rule.

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SUMMARY: The Comprehensive Environmental Response, Compensation, and 
Liability Act of 1980 (``CERCLA'' or ``the Act''), as amended, requires 
that the National Oil and Hazardous Substances Pollution Contingency 
Plan (``NCP'') include a list of national priorities among the known 
releases or threatened releases of hazardous substances, pollutants or 
contaminants throughout the United States. The National Priorities List 
(``NPL'') constitutes this list. The NPL is intended primarily to guide 
the Environmental Protection Agency (``the EPA'' or ``the agency'') in 
determining which sites warrant further investigation. These further 
investigations will allow the EPA to assess the nature and extent of 
public health and environmental risks associated with the site and to 
determine what CERCLA-authorized remedial action(s), if any, may be 
appropriate. This rule adds one site, Gelman Sciences Inc., to the 
General Superfund section of the NPL.

DATES: The rule is effective on April 13, 2026.

ADDRESSES: Contact information for the EPA Headquarters:
    <bullet> Docket Coordinator, Headquarters; U.S. Environmental 
Protection Agency; CERCLA Docket Office; 1301 Constitution Avenue NW; 
William Jefferson Clinton Building West, Room 3334, Washington, DC 
20004, telephone number: (202) 566-1744.

FOR FURTHER INFORMATION CONTACT: Vanessa Van Note, U.S. Environmental 
Protection Agency, Project Oversight Branch, Assessment and Cleanup 
Division, Office of Superfund and Emergency Management (Mail Code 
5203T), 1200 Pennsylvania Avenue NW, Washington, DC 20460, telephone 
number: (202) 564-4830, email address: <a href="/cdn-cgi/l/email-protection#f88e999696978c9dd68e99969d8b8b99b89d8899d69f978e"><span class="__cf_email__" data-cfemail="572136393938233279213639322424361732273679303821">[email&#160;protected]</span></a>.
    The contact information for the regional dockets is as follows:
    <bullet> Todd Quesada, Region 5 (IL, IN, MI, MN, OH, WI), 
Information Services Section Supervisor & Interim U.S. EPA Superfund 
Records Officer, Metcalfe Federal Building, 77 West Jackson Boulevard 
(MI-10J), Chicago, IL 60604; telephone number: (312) 886-4465.

SUPPLEMENTARY INFORMATION:

Table of Contents

I. Background
    A. What are CERCLA and SARA?
    B. What is the NCP?
    C. What is the National Priorities List (NPL)?
    D. How are sites listed on the NPL?
    E. What happens to sites on the NPL?
    F. Does the NPL define the boundaries of sites?
    G. How are sites removed from the NPL?
    H. May the EPA delete portions of sites from the NPL as they are 
cleaned up?
    I. What is state/Tribal correspondence concerning NPL Listing?
II. Availability of Information to the Public
    A. May I review the documents relevant to this final rule?
    B. What documents are available for review at the EPA 
Headquarters docket?
    C. What documents are available for review at the EPA regional 
dockets?
    D. How do I access the documents?
    E. How may I obtain a current list of NPL sites?
III. Contents of This Final Rule
    A. Additions to the NPL
    B. What did the EPA do with the public comments it received?
IV. Statutory and Executive Order Reviews
    A. Executive Order 12866: Regulatory Planning and Review and 
Executive Order 13563: Improving Regulation and Regulatory Review
    B. Paperwork Reduction Act (PRA)
    C. Regulatory Flexibility Act (RFA)
    D. Unfunded Mandates Reform Act (UMRA)
    E. Executive Order 13132: Federalism
    F. Executive Order 13175: Consultation and Coordination With 
Indian Tribal Governments

[[Page 12305]]

    G. Executive Order 13045: Protection of Children From 
Environmental Health and Safety Risks
    H. Executive Order 13211: Actions That Significantly Affect 
Energy Supply, Distribution, or Use
    I. National Technology Transfer and Advancement Act (NTTAA)
    J. Congressional Review Act (CRA)
    K. Executive Order 14192: Unleashing Prosperity Through 
Deregulation

I. Background

A. What are CERCLA and SARA?

    In 1980, Congress enacted the Comprehensive Environmental Response, 
Compensation, and Liability Act, 42 U.S.C. 9601-9675 (``CERCLA'' or 
``the Act''), in response to the dangers of uncontrolled releases or 
threatened releases of hazardous substances, and releases or 
substantial threats of releases into the environment of any pollutant 
or contaminant that may present an imminent or substantial danger to 
the public health or welfare. CERCLA was amended on October 17, 1986, 
by the Superfund Amendments and Reauthorization Act (``SARA''), Public 
Law 99-499, 100 Stat. 1613 et seq.

B. What is the NCP?

    To implement CERCLA, the EPA promulgated the revised National Oil 
and Hazardous Substances Pollution Contingency Plan (``NCP''), 40 CFR 
part 300, on July 16, 1982 (47 FR 31180), pursuant to CERCLA section 
105 and Executive Order 12316 (46 FR 42237, August 20, 1981). The NCP 
sets guidelines and procedures for responding to releases and 
threatened releases of hazardous substances, or releases or substantial 
threats of releases into the environment of any pollutant or 
contaminant that may present an imminent or substantial danger to the 
public health or welfare. The EPA has revised the NCP on several 
occasions. The most recent comprehensive revision was on March 8, 1990 
(55 FR 8666).
    As required under section 105(a)(8)(A) of CERCLA, the NCP also 
includes ``criteria for determining priorities among releases or 
threatened releases throughout the United States for the purpose of 
taking remedial action and, to the extent practicable, taking into 
account the potential urgency of such action, for the purpose of taking 
removal action.'' ``Removal'' actions are defined broadly and include a 
wide range of actions taken to study, clean up, prevent or otherwise 
address releases and threatened releases of hazardous substances, 
pollutants or contaminants (42 U.S.C. 9601(23)).

C. What is the National Priorities List (NPL)?

    The NPL is a list of national priorities among the known or 
threatened releases of hazardous substances, pollutants or contaminants 
throughout the United States. The list, which is appendix B of the NCP 
(40 CFR part 300), was required under section 105(a)(8)(B) of CERCLA, 
as amended. Section 105(a)(8)(B) defines the NPL as a list of 
``releases'' and the highest priority ``facilities'' and requires that 
the NPL be revised at least annually. The NPL is intended primarily to 
guide the EPA in determining which sites warrant further investigation 
to assess the nature and extent of public health and environmental 
risks associated with a release of hazardous substances, pollutants or 
contaminants. The NPL is of only limited significance, however, as it 
does not assign liability to any party or to the owner of any specific 
property. Also, placing a site on the NPL does not mean that any 
remedial or removal action necessarily need be taken.
    For purposes of listing, the NPL includes two sections, one of 
sites that are generally evaluated and cleaned up by the EPA (the 
``General Superfund section'') and one of sites that are owned or 
operated by other Federal agencies (the ``Federal Facilities 
section''). With respect to sites in the Federal Facilities section, 
these sites are generally being addressed by other federal agencies. 
Under Executive Order 12580 (52 FR 2923, January 29, 1987) and CERCLA 
section 120, each Federal agency is responsible for carrying out most 
response actions at facilities under its own jurisdiction, custody or 
control, although the EPA is responsible for preparing a Hazard Ranking 
System (``HRS'') score and determining whether the facility is placed 
on the NPL.

D. How are sites listed on the NPL?

    There are three mechanisms for placing sites on the NPL for 
possible remedial action (see 40 CFR 300.425(c) of the NCP):
    (1) A site may be included on the NPL if it scores sufficiently 
high on the HRS, which the EPA promulgated as appendix A of the NCP (40 
CFR part 300). The HRS serves as a screening tool to evaluate the 
relative potential of uncontrolled hazardous substances, pollutants or 
contaminants to pose a threat to human health or the environment. On 
December 14, 1990 (55 FR 51532), the EPA promulgated revisions to the 
HRS partly in response to CERCLA section 105(c), added by SARA. On 
January 9, 2017 (82 FR 2760), a subsurface intrusion component was 
added to the HRS to enable the EPA to consider human exposure to 
hazardous substances or pollutants and contaminants that enter 
regularly occupied structures through subsurface intrusion when 
evaluating sites for the NPL. The current HRS evaluates four pathways: 
ground water, surface water, soil exposure and subsurface intrusion, 
and air. As a matter of agency policy, those sites that score 28.50 or 
greater on the HRS are eligible for the NPL.
    (2) Each state may designate a single site as its top priority to 
be listed on the NPL, without any HRS score. This provision of CERCLA 
requires that, to the extent practicable, the NPL include one facility 
designated by each state as the greatest danger to public health, 
welfare or the environment among known facilities in the state. This 
mechanism for listing is set out in the NCP at 40 CFR 300.425(c)(2).
    (3) Certain sites may be listed according to the NCP at 40 CFR 
300.425(c)(3). This provision provides that a site can be listed 
without an HRS score, if all of the following conditions are met:
    <bullet> The Agency for Toxic Substances and Disease Registry of 
the U.S. Public Health Service has issued a health advisory that 
recommends dissociation of individuals from the release.
    <bullet> The EPA determines that the release poses a significant 
threat to public health.
    <bullet> The EPA anticipates that it will be more cost-effective to 
use its remedial authority than to use its removal authority to respond 
to the release.
    The EPA promulgated an original NPL of 406 sites on September 8, 
1983 (48 FR 40658) and generally has updated it at least annually.

E. What happens to sites on the NPL?

    A site may undergo remedial action financed by the Trust Fund 
established under CERCLA (commonly referred to as the ``Superfund'') 
only after it is placed on the NPL, as provided in the NCP at 40 CFR 
300.425(b)(1). (``Remedial actions'' are those ``consistent with a 
permanent remedy, taken instead of or in addition to removal actions'' 
(40 CFR 300.5).) However, under 40 CFR 300.425(b)(2), placing a site on 
the NPL ``does not imply that monies will be expended.'' The EPA may 
pursue other appropriate authorities to respond to the releases, 
including enforcement action under CERCLA and other laws.

F. Does the NPL define the boundaries of sites?

    The NPL does not describe releases in precise geographical terms; 
it would be

[[Page 12306]]

neither feasible nor consistent with the limited purpose of the NPL (to 
identify releases that are priorities for further evaluation), for it 
to do so. Indeed, the precise nature and extent of the site are 
typically not known at the time of listing.
    Although a CERCLA ``facility'' is broadly defined to include any 
area where a hazardous substance has ``come to be located'' (42 U.S.C. 
9601(9)), the listing process itself is not intended to define or 
reflect the boundaries of such facilities or releases. Of course, HRS 
data (if the HRS is used to list a site) upon which the NPL placement 
was based will, to some extent, describe the release(s) at issue. That 
is, the NPL site would include all releases evaluated as part of that 
HRS analysis.
    When a site is listed, the approach generally used to describe the 
relevant release(s) is to delineate a geographical area (usually the 
area within an installation or plant boundaries) and identify the site 
by reference to that area. However, the NPL site is not necessarily 
coextensive with the boundaries of the installation or plant, and the 
boundaries of the installation or plant are not necessarily the 
``boundaries'' of the site. Rather, the site consists of all 
contaminated areas within the area used to identify the site, as well 
as any other location where that contamination has come to be located, 
or from where that contamination came.
    In other words, while geographic terms are often used to designate 
the site (e.g., the ``Jones Co. Plant site'') in terms of the property 
owned by a particular party, the site, properly understood, is not 
limited to that property (e.g., it may extend beyond the property due 
to contaminant migration), and conversely may not occupy the full 
extent of the property (e.g., where there are uncontaminated parts of 
the identified property, they may not be, strictly speaking, part of 
the ``site''). The ``site'' is thus neither equal to, nor confined by, 
the boundaries of any specific property that may give the site its 
name, and the name itself should not be read to imply that this site is 
coextensive with the entire area within the property boundary of the 
installation or plant. In addition, the site name is merely used to 
help identify the geographic location of the contamination; and is not 
meant to constitute any determination of liability at a site. For 
example, the name ``Jones Co. plant site,'' does not imply that the 
Jones Company is responsible for the contamination located on the plant 
site. So, NPL listing does not assign liability to any party or to the 
owner of any specific property. And if a party does not believe it is 
liable for releases on discrete parcels of property, it can submit 
supporting information to the agency at any time after it receives 
notice that it is a potentially responsible party.
    EPA regulations provide that the remedial investigation (``RI'') 
``is a process undertaken . . . to determine the nature and extent of 
the problem presented by the release'' as more information is developed 
on site contamination, and which is generally performed in an 
interactive fashion with the feasibility study (``FS'') (40 CFR 300.5). 
During the RI/FS process, the release may be found to be larger or 
smaller than was originally thought, as more is learned about the 
source(s) and any migration of the contamination. However, the HRS 
inquiry focuses on an evaluation of the threat posed and therefore the 
boundaries of the release need not be exactly defined. Moreover, it 
generally is impossible to discover the full extent of where the 
contamination ``has come to be located'' before all necessary studies 
and remedial work are completed at a site. Indeed, the known boundaries 
of the contamination can be expected to change over time. Thus, in most 
cases, it may be impossible to describe the boundaries of a release 
with absolute certainty.
    For these reasons, the NPL need not be amended as further research 
reveals more information about the location of the contamination or 
release.

G. How are sites removed from the NPL?

    The EPA may delete sites from the NPL where no further response is 
appropriate under Superfund, as explained in the NCP at 40 CFR 
300.425(e). This section also provides that the EPA shall consult with 
states on proposed deletions and shall consider whether any of the 
following criteria have been met:
    (i) Responsible parties or other persons have implemented all 
appropriate response actions required;
    (ii) All appropriate Superfund-financed response has been 
implemented, and no further response action is required; or
    (iii) The remedial investigation has shown the release poses no 
significant threat to public health or the environment and taking of 
remedial measures is not appropriate.

H. May the EPA delete portions of sites from the NPL as they are 
cleaned up?

    In November 1995, the EPA initiated a policy to delete portions of 
NPL sites where cleanup is complete (60 FR 55465, November 1, 1995). 
Total site cleanup may take many years, while portions of the site may 
have been cleaned up and made available for productive use.

I. What is state/Tribal correspondence concerning NPL Listing?

    In order to maintain close coordination with states and Tribes in 
the NPL listing decision process, the EPA's policy is to determine the 
position of the states and Tribes regarding sites that the EPA is 
considering for listing. This consultation process is outlined in two 
memoranda that can be found at the following website: <a href="https://www.epa.gov/superfund/statetribal-correspondence-concerning-npl-site-listing">https://www.epa.gov/superfund/statetribal-correspondence-concerning-npl-site-listing</a>.
    The EPA has improved the transparency of the process by which state 
and Tribal input is solicited. The EPA is using the Web and where 
appropriate more structured state and Tribal correspondence that: (1) 
explains the concerns at the site and the EPA's rationale for 
proceeding; (2) requests an explanation of how the state intends to 
address the site if placement on the NPL is not favored; and (3) 
emphasizes the transparent nature of the process by informing states 
that information on their responses will be publicly available.
    A model letter and past correspondence between the EPA and states 
and Tribes, where applicable, is available on the EPA's website at 
<a href="https://www.epa.gov/superfund/statetribal-correspondence-concerning-npl-site-listing">https://www.epa.gov/superfund/statetribal-correspondence-concerning-npl-site-listing</a>.

II. Availability of Information to the Public

A. May I review the documents relevant to this final rule?

    Yes, documents relating to the evaluation and scoring of the site 
in this final rule are contained in dockets located both at the EPA 
headquarters and in the EPA regional offices.
    An electronic version of the public docket is available through 
<a href="https://www.regulations.gov">https://www.regulations.gov</a> (see table below for Docket ID Nos.). 
Although not all docket materials may be available electronically, you 
may still access any of the publicly available docket materials through 
the docket facilities identified in section II.D.

[[Page 12307]]



                                      Docket Identification Numbers by Site
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             Site Name                    City/county, state                       Docket ID No.
----------------------------------------------------------------------------------------------------------------
Gelman Sciences Inc................  Ann Arbor, MI..............  EPA-HQ-OLEM-2024-0067.
----------------------------------------------------------------------------------------------------------------

B. What documents are available for review at the EPA Headquarters 
docket?

    The headquarters docket for this rule contains the HRS score 
sheets, the documentation record describing the information used to 
compute the score, a list of documents referenced in the documentation 
record for each site and any other information used to support the NPL 
listing of the site. These documents are available online at <a href="https://www.regulations.gov">https://www.regulations.gov</a>.

C. What documents are available for review at the EPA regional dockets?

    The EPA regional dockets contain all the information in the 
headquarters docket, plus the actual documents referenced in the 
documentation record containing the data principally relied upon by the 
EPA in calculating or evaluating the HRS score. These reference 
documents are available only in the regional dockets.

D. How do I access the documents?

    You may view the documents that support this rule online at <a href="https://www.regulations.gov">https://www.regulations.gov</a> or by contacting the EPA headquarters docket or 
appropriate regional docket. See FOR FURTHER INFORMATION CONTACT 
section in the beginning portion of this preamble for docket contact 
information. The hours of operation for the headquarters docket are 
from 8:30 a.m. to 4:30 p.m., Monday through Friday, excluding federal 
holidays. Please contact the individual regional dockets for hours. For 
addresses for the headquarters and regional dockets, see ADDRESSES 
section in the beginning portion of this preamble.

E. How may I obtain a current list of NPL sites?

    You may obtain a current list of NPL sites online at <a href="https://www.epa.gov/superfund/national-priorities-list-npl-sites-site-name">https://www.epa.gov/superfund/national-priorities-list-npl-sites-site-name</a>.

III. Contents of This Final Rule

A. Additions to the NPL

    This final rule adds the following site to the General Superfund 
section of the NPL. This site is being added to the NPL based on an HRS 
score of 28.50 or above.

                        General Superfund Section
------------------------------------------------------------------------
       State                Site name                 City/county
------------------------------------------------------------------------
MI................  Gelman Sciences Inc......  Ann Arbor.
------------------------------------------------------------------------

B. What did the EPA do with the public comments it received?

    The EPA is adding one site to the National Priorities List (NPL) in 
this final rule. The Gelman Sciences Inc. site in Ann Arbor, MI was 
proposed for addition to the NPL on March 7, 2024 (89 FR 16498). The 
public comment period on the proposed rule to add this site to the NPL 
closed on May 6, 2024.
    The EPA reviewed and considered all public comments received 
following the proposed rule publication and responded to all comments 
in Docket ID No. EPA-HQ-OLEM-2024-0067 (Gelman Sciences Inc., MI).
    Through the process of addressing the public comments received on 
proposing the Site to the NPL, the EPA is proceeding with adding the 
Gelman Sciences Inc. site to the NPL through this final rule. The 
public comments received on the proposal of the Gelman Sciences Inc. 
site to the NPL are being addressed in a response to comment support 
document that has been made available in the public docket concurrently 
with rule. To view the compilation of public comments received on the 
proposal of the Gelman Sciences Inc. site to the NPL, as well as EPA's 
response to these comments, please refer to the support document 
available at <a href="https://www.regulations.gov">https://www.regulations.gov</a>, Docket ID No. EPA-HQ-OLEM-
2024-0067.

IV. Statutory and Executive Order Reviews

    Additional information about these statutes and Executive Orders 
can be found at <a href="https://www.epa.gov/laws-regulations/laws-and-executive-orders">https://www.epa.gov/laws-regulations/laws-and-executive-orders</a>.

A. Executive Order 12866: Regulatory Planning and Review and Executive 
Order 13563: Improving Regulation and Regulatory Review

    This action is not a significant regulatory action and was 
therefore not submitted to the Office of Management and Budget 
(``OMB'') for review.

B. Paperwork Reduction Act (PRA)

    This action does not impose an information collection burden under 
the PRA. This rule does not contain any information collection 
requirements that require approval of the OMB.

C. Regulatory Flexibility Act (RFA)

    I certify that this action will not have a significant economic 
impact on a substantial number of small entities under the RFA. This 
action will not impose any requirements on small entities. This rule 
listing sites on the NPL does not impose any obligations on any group, 
including small entities. This rule also does not establish standards 
or requirements that any small entity must meet and imposes no direct 
costs on any small entity. Whether an entity, small or otherwise, is 
liable for response costs for a release of hazardous substances depends 
on whether that entity is liable under CERCLA section 107(a). Any such 
liability exists regardless of whether the site is listed on the NPL 
through this rulemaking.

D. Unfunded Mandates Reform Act (UMRA)

    This action does not contain any unfunded mandate as described in 
UMRA, 2 U.S.C. 1531-1538, and does not significantly or uniquely affect 
small governments. This action imposes no enforceable duty on any 
state, local or Tribal governments or the private sector. Listing a 
site on the NPL does not itself impose any costs. Listing does not mean 
that the EPA necessarily will undertake remedial action. Nor does 
listing require any action by a private party, state, local or Tribal 
governments or determine liability for response costs. Costs that arise 
out of site responses result from future site-specific decisions 
regarding what actions to take, not directly from the act of placing a 
site on the NPL.

E. Executive Order 13132: Federalism

    This final rule does not have federalism implications. It will not 
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.

F. Executive Order 13175: Consultation and Coordination With Indian 
Tribal Governments

    This action does not have Tribal implications as specified in 
Executive Order 13175. Listing a site on the NPL

[[Page 12308]]

does not impose any costs on a Tribe or require a Tribe to take 
remedial action. Thus, Executive Order 13175 does not apply to this 
action.

G. Executive Order 13045: Protection of Children From Environmental 
Health and Safety Risks

    The EPA interprets Executive Order 13045 as applying only to those 
regulatory actions that concern environmental health or safety risks 
that the EPA has reason to believe may disproportionately affect 
children, per the definition of ``covered regulatory action'' in 
section 2-202 of the Executive Order. This action is not subject to 
Executive Order 13045 because this action itself is procedural in 
nature (adds sites to a list) and does not, in and of itself, provide 
protection from environmental health and safety risks. Separate future 
regulatory actions are required for mitigation of environmental health 
and safety risks.

H. Executive Order 13211: Actions That Significantly Affect Energy 
Supply, Distribution, or Use

    This action is not subject to Executive Order 13211, because it is 
not a significant regulatory action under Executive Order 12866.

I. National Technology Transfer and Advancement Act (NTTAA)

    This rulemaking does not involve technical standards.

J. Congressional Review Act (CRA)

    This action is subject to the CRA, and the EPA will submit a rule 
report to each House of the Congress and to the Comptroller General of 
the United States. This action is not a ``major rule'' as defined by 5 
U.S.C. 804(2). Provisions of the CRA may alter the effective date of 
this regulation. Under 5 U.S.C. 801(b)(1), a rule shall not take 
effect, or continue in effect, if Congress enacts (and the President 
signs) a joint resolution of disapproval, described under section 802. 
If action by Congress under the CRA calls the effective date of this 
regulation into question, the EPA will publish a document of 
clarification in the Federal Register.

K. Executive Order 14192: Unleashing Prosperity Through Deregulation

    This rulemaking is not subject to Executive Order 14192 (90 FR 
9065, February 6, 2025) because it is not a significant regulatory 
action subject to OMB review. This rulemaking is published in 
accordance with direction provided in CERCLA to address the cleanup of 
the Nation's most highly contaminated sites.

List of Subjects in 40 CFR Part 300

    Environmental protection, Air pollution control, Chemicals, 
Hazardous substances, Hazardous waste, Intergovernmental relations, 
Natural resources, Oil pollution, Penalties, Reporting and 
recordkeeping requirements, Superfund, Water pollution control, Water 
supply.

John Busterud,
Assistant Administrator, Office of Land and Emergency Management.

    For the reasons set out in the preamble, title 40, chapter I, part 
300, of the Code of Federal Regulations is amended as follows:

PART 300--NATIONAL OIL AND HAZARDOUS SUBSTANCES POLLUTION 
CONTINGENCY PLAN

0
1. The authority citation for part 300 continues to read as follows:

    Authority:  33 U.S.C. 1251 et seq.; 42 U.S.C. 9601-9657; E.O. 
13626, 77 FR 56749, 3 CFR, 2013 Comp., p. 306; E.O. 12777, 56 FR 
54757, 3 CFR, 1991 Comp., p. 351; E.O. 12580, 52 FR 2923, 3 CFR, 
1987 Comp., p. 193.


0
2. In appendix B to part 300, table 1 is amended by adding the entry 
``MI, Gelman Sciences Inc.'' in alphabetical order to read as follows:

Appendix B to Part 300--National Priorities List

                                       Table 1--General Superfund Section
----------------------------------------------------------------------------------------------------------------
               State                        Site name                City/county                Notes \a\
----------------------------------------------------------------------------------------------------------------
 
                                                  * * * * * * *
MI................................  Gelman Sciences Inc.....  Ann Arbor...............
 
                                                  * * * * * * *
----------------------------------------------------------------------------------------------------------------
\a\ A = Based on issuance of health advisory by Agency for Toxic Substances and Disease Registry (if scored, HRS
  score need not be greater than or equal to 28.50).

* * * * *
[FR Doc. 2026-04904 Filed 3-12-26; 8:45 am]
BILLING CODE 6560-50-P


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