Proposed Rule2025-11743

Powered Air Purifying Respirators (PAPRs) in Underground Mines

Primary source

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Published
July 1, 2025

Issuing agencies

Labor DepartmentMine Safety and Health Administration

Abstract

MSHA is proposing to allow the use of non-permissible Powered Air Purifying Respirators (PAPRs) in specified underground areas of mines, if the equipment meets certain technical specifications and is operated under specific conditions. This proposed rule would codify technical specifications and working conditions to allow the use of non-permissible PAPRs in underground gassy mines. This proposed rule would reduce burden because mine operators would no longer need to submit a petition for modification to use non-permissible PAPRs.

Full Text

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<title>Federal Register, Volume 90 Issue 124 (Tuesday, July 1, 2025)</title>
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[Federal Register Volume 90, Number 124 (Tuesday, July 1, 2025)]
[Proposed Rules]
[Pages 28406-28418]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2025-11743]



[[Page 28406]]

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DEPARTMENT OF LABOR

Mine Safety and Health Administration

30 CFR Parts 57 and 75

[Docket No. MSHA-2025-0089]
RIN 1219-AC17


Powered Air Purifying Respirators (PAPRs) in Underground Mines

AGENCY: Mine Safety and Health Administration (MSHA), Labor.

ACTION: Proposed rule; request for comments.

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SUMMARY: MSHA is proposing to allow the use of non-permissible Powered 
Air Purifying Respirators (PAPRs) in specified underground areas of 
mines, if the equipment meets certain technical specifications and is 
operated under specific conditions. This proposed rule would codify 
technical specifications and working conditions to allow the use of 
non-permissible PAPRs in underground gassy mines. This proposed rule 
would reduce burden because mine operators would no longer need to 
submit a petition for modification to use non-permissible PAPRs.

DATES: Comments must be received on or before July 31, 2025.

ADDRESSES: All submissions must include RIN 1219-AC17 or Docket No. 
MSHA-2025-0089. You should not include personal or proprietary 
information that you do not wish to disclose publicly. If you mark 
parts of a comment as ``business confidential'' information, MSHA will 
not post those parts of the comment. Otherwise, MSHA will post all 
comments without change, including any personal information provided. 
MSHA cautions against submitting personal information.
    You may submit comments and informational materials, clearly 
identified by RIN 1219-AC17 or Docket No. MSHA-2025-0089, by any of the 
following methods:
    1. Federal E-Rulemaking Portal: <a href="https://www.regulations.gov">https://www.regulations.gov</a>. Follow 
the online instructions for submitting comments for MSHA-2025-0089.
    2. Email: <a href="/cdn-cgi/l/email-protection#3c4646716f747d115f5351515952484f7c585350125b534a"><span class="__cf_email__" data-cfemail="3f4545726c777e125c5052525a514b4c7f5b505311585049">[email&#160;protected]</span></a>. Include ``RIN 1219-AC17'' in the 
subject line of the message.
    3. Regular Mail or Hand Delivery: MSHA, Office of Standards, 
Regulations, and Variances, Room C3522, 200 Constitution Avenue NW, 
Washington, DC 20210. Before visiting MSHA in person, call 202-693-9440 
to make an appointment.
    No telefacsimiles (``faxes'') will be accepted.

FOR FURTHER INFORMATION CONTACT: Jessica D. Senk, Acting Director, 
Office of Standards, Regulations, and Variances, MSHA at 202-693-9440 
(voice). This is not a toll-free number.

SUPPLEMENTARY INFORMATION:

I. Background

Approved Electrical Products

    PAPRs are electric, reusable respirators that protect against a 
variety of respirable contaminants when equipped with the appropriate 
filter, cartridge, or canister. PAPRs use a battery-powered fan to pull 
air through the attached filter, cartridge, or canister.
    The Federal Mine Safety and Health Act of 1977 (30 U.S.C. 801) 
(Mine Act) requires MSHA to establish requirements for the technical 
design, construction, and testing of electrical products, including 
PAPRs, that must be approved by MSHA prior to use in gassy mines. In 
underground gassy mines, flammable or explosive gases such as methane, 
and/or float coal dust can form explosive mixtures when combined with 
air. Before PAPRs can be used in gassy mines in the U.S., they must 
first be approved by MSHA.
    MSHA's requirements in title 30, Code of Federal Regulations (30 
CFR) part 18 ensure electric motor-driven products are designed and 
manufactured so that they will not emit a spark strong enough, or 
temperature sufficient to cause a fire or explosion. Those seeking MSHA 
approval (applicants) are typically product designers and manufacturers 
of electrical products such as PAPRs. MSHA's approval process includes 
testing and evaluating the electrical product to determine whether it 
performs according to certain technical and safety requirements. MSHA 
issues an approval if the electrical product passes all the tests and 
evaluations. Once the electrical product is approved by MSHA, it must 
display an MSHA approval marking indicating that the product is 
approved for use in gassy mines. MSHA refers to electrical products 
approved for use in gassy areas of mines as ``permissible.'' To 
continue to use the MSHA approval marking, the approval holder must 
maintain the quality of the electrical product according to the 
technical requirements upon which its approval was based.
    Currently, there are no permissible PAPRs commercially available in 
the U.S. market. Mine operators must seek MSHA approval for the use of 
PAPRs in underground mines by filing petitions for modification under 
30 CFR part 44.

Petitions for Modification

    Section 101(c) of the Mine Act allows mine operators or 
representatives of miners to file a petition, or request, to modify the 
application of any mandatory safety standard to a mine. MSHA reviews 
petitions for modification to determine whether the petitioner's 
alternative method of achieving the result of the standard will at all 
times guarantee no less than the same measure of protection afforded by 
the standard, or the application of the standard will result in a 
diminution of safety to the miners.
    30 CFR part 44 establishes the procedures and rules of practice for 
filing a petition for modification under section 101(c) of the Mine 
Act. Once a petition has been filed by a mine operator or 
representative of miners, a notice requesting comment on the petition 
is published in the Federal Register and MSHA personnel investigate to 
promptly determine whether to grant or deny the petition. Taking into 
consideration the alternative methods proposed by the petitioner and 
any additional requirements, MSHA will grant the petition for 
modification if the Agency determines that the alternative method of 
achieving the result of the standard will at all times guarantee no 
less than the same measure of protection afforded by the standard, or 
the application of the standard will result in a diminution of safety 
to the miners. The granted modification, together with any conditions, 
will have the same effect as a mandatory safety standard.
    Since 2021, MSHA has received more than 150 petitions for 
modification requesting MSHA allow the use of non-permissible PAPRs in 
areas of underground mines where the use of approved equipment is 
required. These petitions for modification generally propose very 
similar alternative methods, or conditions and terms, for the safe use 
of non-permissible PAPRs in gassy areas of underground mines to ensure 
that miners are at all times afforded the same measure of protection as 
when using permissible equipment.

II. Discussion

    MSHA proposes to codify certain technical specifications and 
working conditions to allow the use of PAPRs in specified underground 
areas of underground metal and nonmetal (MNM) and coal mines, so that 
mine operators no longer need to file petitions for modification. This 
proposed rule would allow mine operators to safely use the best and 
most current

[[Page 28407]]

technology available, while not reducing miner safety.
    This proposed rule would not revise the language of any Proposed 
Decisions and Orders granted by MSHA for PAPRs. Operators with granted 
petitions would decide between complying with the terms of their 
Proposed Decision and Order or complying with the requirements proposed 
in this rule and dismissing their petitions.
    Under the proposed rule, there would be no change to existing 
ventilation requirements, methane monitoring requirements, de-
energization requirements, or rock-dusting requirements. The Agency has 
preliminarily determined that this proposed rule, including the 
protective requirements that are generally consistent with the terms in 
granted petitions, would not reduce existing protections for miners.
    MSHA seeks comments on any aspects of this proposed rule, including 
what records are appropriate for mine operators to maintain to ensure 
compliance.

III. Section-by-Section Analysis

A. Sections 57.22316 and 75.530--Non-Permissible Powered Air-Purifying 
Respirators (PAPRs): Purpose and Scope

    This proposed rule would allow non-permissible PAPRs that have not 
been evaluated and approved by MSHA using the 30 CFR part 18 
requirements to be used in specified underground areas of gassy mines. 
The proposed rule would also establish requirements for the features 
and maintenance of non-permissible PAPRs and the mining conditions 
where non-permissible PAPRs can be used.

B. Sections 57.22316-1 and 75.531--Non-Permissible PAPRs: Definitions

    The proposed rule would define commercially available, Powered Air 
Purifying Respirators (PAPRs), production activities, and specified 
underground areas for MNM mines in part 57 and coal mines in part 75.
    The definitions for commercially available and Powered Air 
Purifying Respirators (PAPRs) are the same in parts 57 and 75. However, 
the definitions for production activities and specified underground 
area are different in parts 57 and 75 because of differences in the 
commodities mined, mining methods, geology, and construction of MNM 
mines compared to coal mines.

C. Sections 57.22316-2 and 75.532--Non-Permissible PAPRs: Approval and 
Certification Requirements

    Proposed Sec. Sec.  57.22316-2 and 75.532 would require that non-
permissible PAPRs taken into specified underground areas meet certain 
conditions. Non-permissible PAPRs must meet the appropriate UL 
(formerly Underwriters Laboratories) voluntary consensus safety 
standard.
    Proposed paragraphs Sec. Sec.  57.22316-2(a)(2) and 75.532(a)(2) 
would require non-permissible PAPRs to be certified to the American 
National Standards Institute (ANSI)/UL 60079-11, Standard for Safety 
for Explosive Atmospheres--Part 11: Equipment Protection by Intrinsic 
Safety ``i'', Sixth Edition, Dated February 15, 2013, including 
revisions through September 14, 2018 (ANSI/UL 60079-11).
    Certification to the ANSI/UL 60079-11 standard must be conducted by 
organizations meeting the requirements of the Occupational Safety and 
Health Administration's (OSHA) Nationally Recognized Testing Laboratory 
(NRTL) program. A NRTL is a private-sector organization that OSHA has 
recognized as meeting the requirements in 29 CFR 1910.7 to perform 
testing and certification of products using consensus-based test 
standards. To receive OSHA's recognition as an NRTL, an organization 
must have the necessary capability both as a product safety testing 
laboratory and as a product certification body.
    Proposed paragraph (b) lists the eight voluntary consensus 
standards that MSHA would incorporate by reference in parts 57 and 75. 
While MSHA would require certification for non-permissible PAPRs only 
to ANSI/UL 60079-11, the Agency is incorporating by reference seven 
additional ANSI-approved standards because these are referenced 
throughout ANSI/UL 60079-11.
    The proposed incorporation by reference of the eight voluntary 
consensus standards is consistent with the Office of Management and 
Budget's (OMB) Circular A-119 (Jan. 27, 2016 (81 FR 4673)), which 
establishes policy guidance for Federal agencies. Circular A-119, based 
on the National Technology Transfer and Advancement Act of 1995 (15 
U.S.C. 3701 et seq.), section 12(d), directs Federal agencies to use 
technical standards developed or adopted by voluntary consensus 
standards bodies to carry out policies or activities. Additionally, 
Circular A-119 directs agencies to use voluntary consensus standards in 
lieu of government-unique standards, except where inconsistent with law 
or otherwise impractical. The intent of the policy guidance in Circular 
A-119 is to minimize agency reliance on government-unique standards to 
decrease the burden of complying with agency regulations and promote 
efficiency and economic competition through harmonization of standards. 
(See <a href="https://www.whitehouse.gov/wp-content/uploads/2017/11/Circular-119-1.pdf">https://www.whitehouse.gov/wp-content/uploads/2017/11/Circular-119-1.pdf</a>).

D. Sections 57.22316-3 and 75.533--Non-Permissible PAPRs: Requirements 
Before Use

    Proposed Sec. Sec.  57.22316-3 and 75.533 would specify the 
requirements for examination of non-permissible PAPRs to ensure they 
are in a safe condition before being used in the specified areas of an 
underground mine.

E. Sections 57.22316-4 and 75.534--Non-Permissible PAPRs: Continuous 
Monitoring During Operation

    Proposed Sec. Sec.  57.22316-4 and 75.534 would require a competent 
person, for MNM mines, or qualified person, for coal mines, to monitor 
for methane. Proposed paragraphs (c) and (d) would require methane 
detectors to meet certain requirements to ensure their safe operation. 
Proposed paragraph (e) would require immediately de-energizing and 
removing non-permissible PAPRs from the specified underground area if a 
certain percentage of methane is detected.
    The timely detection of methane gas and the immediate removal of 
the non-permissible PAPRs out of the specified underground areas would 
be the primary method of protection against ignitions and explosions.

F. Sections 57.22316-5 and 75.535--Non-Permissible PAPRs: Requirements 
for Batteries

    Proposed Sec. Sec.  57.22316-5 and 75.535 would address 
requirements for the batteries used in non-permissible PAPRs to ensure 
their safe operation if methane or float coal dust is present.

I. Sections 57.22316-6 and 75.536--Non-Permissible PAPRs: Maintenance 
and Examination

    Proposed Sec. Sec.  57.22316-6 and 75.536 would address the 
maintenance and examination requirements for non-permissible PAPRs to 
ensure their safe operating condition. All non-permissible PAPRs would 
be required to be withdrawn from specified underground areas if a 
potentially dangerous condition was found.

J. Sections 57.22316-7 and 75.537--Non-Permissible PAPRs: Training

    Proposed Sec. Sec.  57.22316-7 and 75.537 would address the 
importance of training miners on safety practices where new 
technologies are utilized and would require specific training for those 
who will be using non-permissible

[[Page 28408]]

PAPRs. In addition to 30 CFR part 48 training requirements, MSHA is 
proposing to require specific training to address concerns regarding 
the use of non-permissible PAPRs in specified underground areas.

K. Incorporation by Reference

    In proposed Sec. Sec.  57.22305-3 and 75.532, MSHA would 
incorporate by reference the following voluntary consensus standards.
    (1) ANSI/International Society of Automation (ISA) 60079-11 
(12.02.01)-2014, Standard for Explosive Atmospheres--Part 11: Equipment 
protection by intrinsic safety ``i'' (Group I, Level of Protection 
`ia'), Edition 6.2, dated March 28, 2014, that specifies the 
construction and testing of intrinsically safe apparatus intended for 
use in an explosive atmosphere and for associated apparatus that is 
intended for connection to intrinsically safe circuits which enter such 
atmospheres. This standard is also applicable to electrical equipment 
or parts of electrical equipment located outside the explosive 
atmosphere or protected where the intrinsic safety of the electrical 
circuits in the explosive atmosphere may depend upon the design and 
construction of such electrical equipment or parts of such electrical 
equipment. The electrical circuits exposed to the explosive atmosphere 
are evaluated for use in such an atmosphere by applying this standard.
    (2) ANSI/ISA 60079-25 (12.02.05)-2011, Standard for Explosive 
Atmospheres--Part 25: Intrinsically safe electrical systems (Group I, 
Level of protection `ia'), dated December 2, 2011, which contains the 
specific requirements for construction and assessment of intrinsically 
safe electrical systems, type of protection ``i'', intended for use, as 
a whole or in part, in Class I, Zone 0, 1, or 2, or Zone 20, 21, or 22 
hazardous (classified) locations as defined by the NEC[supreg], ANSI/
NFPA 70[supreg].
    (3) ANSI/UL 60079-0, Standard for Explosive Atmospheres--Part 0: 
Equipment--General Requirements (Group I), Seventh Edition, dated March 
26, 2019, which specifies the general requirements for construction, 
testing and marking of Ex Equipment and Ex Components intended for use 
in explosive atmospheres. This standard is an adoption of IEC 60079-0, 
Explosive atmospheres--Part 0: Equipment--General requirements, 
(seventh edition issued by IEC December 2017) as a new IEC-based UL 
standard with U.S. national differences.
    (4) ANSI/UL 60079-1, Standard for Explosive Atmospheres--Part 1: 
Equipment Protection by Flameproof Enclosures ``d'' (Group I, Level of 
protection `da'), Seventh Edition, dated September 18, 2015, which 
contains specific requirements for the construction and testing of 
electrical equipment with the type of protection flameproof enclosure 
``d'', intended for use in explosive gas atmospheres. This standard is 
an adoption of IEC 60079-1, Explosive Atmospheres--Part 1: Equipment 
Protection by Flameproof Enclosures ``d'' (seventh edition, issued June 
2014) with U.S. national differences.
    (5) ANSI/UL 60079-11, Standard for Explosive Atmospheres--Part 11: 
Equipment Protection by Intrinsic Safety ``i'' (Group I, Level of 
protection `ia'), Sixth Edition, dated February 15, 2013, including 
revisions through September 14, 2018 (ANSI/UL 60079-11), which 
specifies the construction and testing of intrinsically safe apparatus 
intended for use in an explosive atmosphere and for associated 
apparatus, which is intended for connection to intrinsically safe 
circuits which enter such atmospheres. This standard is also applicable 
to electrical equipment or parts of electrical equipment located 
outside the explosive atmosphere or protected where the intrinsic 
safety of the electrical circuits in the explosive atmosphere may 
depend upon the design and construction of such electrical equipment or 
parts of such electrical equipment. The electrical circuits exposed to 
the explosive atmosphere are evaluated for use in such an atmosphere by 
applying this standard. This standard incorporates all of the U.S. 
national differences for UL 60079-11 and is based on IEC 60079-11, 
Edition 6, published in 2011.
    (6) ANSI/UL 60079-18, Standard for Explosive Atmospheres--Part 18: 
Equipment Protection by Encapsulation ``m'' (Group I, Level of 
Protection `ma'), Fourth Edition, dated December 14, 2015, which 
provides the specific requirements for the construction, testing and 
marking of electrical equipment, parts of electrical equipment and Ex 
components with the type of protection encapsulation ``m'' intended for 
use in explosive gas atmospheres or explosive dust atmospheres. This 
standard applies only for encapsulated electrical equipment, 
encapsulated parts of electrical equipment, and encapsulated Ex 
components where the rated voltage does not exceed 11 kV. This standard 
incorporates all of the U.S. national differences and is based on IEC 
60079-18, Explosive Atmospheres--Part 18: Equipment Protection by 
Encapsulation ``m'', (fourth edition issued December 2014).
    (7) ANSI/UL 60079-25, Standard for Explosive Atmospheres--Part 25: 
Intrinsically Safe Electrical Systems (Group I, Level of Protection 
`ia'), Second Edition, Dated December 2, 2011, which contains the 
specific requirements for construction and assessment of intrinsically 
safe electrical systems, type of protection ``i'', intended for use, as 
a whole or in part, in Class I, Zone 0, 1, or 2 hazardous (classified) 
locations as defined by the NEC[supreg], ANSI/NFPA 70[supreg]. This 
standard is an adoption of ANSI/ISA 60079-25, Standard for Explosive 
Atmospheres--Part 25: Intrinsically Safe Electrical Systems.
    (8) ANSI/UL 60079-28 Ed. 2-2017, Standard for Explosive 
Atmospheres--Part 28: Protection of Equipment and Transmission Systems 
Using Optical Radiation (Group I, Equipment Protection Level `Ma'), 
dated September 15, 2017, which specifies the requirements, testing and 
marking of equipment emitting optical radiation intended for use in 
explosive atmospheres. It also covers equipment located outside the 
explosive atmosphere or protected, but which generates optical 
radiation that is intended to enter an explosive atmosphere. This 
standard incorporates all of the U.S. national differences for UL 
60079-28 and is based on IEC 60079-28, Edition 2.0 published May 2015.

Availability of Standards To Be Incorporated by Reference

    MSHA proposes to incorporate by reference two ISA standards. ISA 
provides free online public access to read-only copies of its standards 
that are incorporated into Federal regulations through an agreement 
with ANSI. These standards are available to the public for free viewing 
online in the ANSI Incorporated by Reference Portal website at: <a href="https://ibr.ansi.org/Standards/isa.aspx">https://ibr.ansi.org/Standards/isa.aspx</a>. In addition to the free online 
availability of these standards for viewing on the ANSI website, 
hardcopies and printable versions are available for purchase from ISA. 
The ISA website address to purchase standards is: <a href="http://www.isa.org/standards-and-publications/isastandards/find-isa-standards-innumerical-order">www.isa.org/standards-and-publications/isastandards/find-isa-standards-innumerical-order</a>. Interested persons may also contact ISA directly at 
International Society of Automation (ISA), 67 T.W. Alexander Drive, 
P.O. Box 12277, Research Triangle Park, NC 27709, Tel: (919) 549-8411. 
In addition, during the comment period and rulemaking process, ISA 
standards will

[[Page 28409]]

be available for review, free of charge, at MSHA, Office of Standards, 
Regulations, and Variances, Room C3522, 200 Constitution Avenue NW, 
Washington, DC 20210 and at MSHA's Approval and Certification Center 
(A&CC) at 765 Technology Drive, Triadelphia, WV 26059 (304-547-0400).
    There are six ANSI/UL standards that would be incorporated by 
reference in this proposed rule. These standards are available online 
and may be purchased on UL's website at: <a href="http://www.shopulstandards.com">www.shopulstandards.com</a>. 
Interested persons may also contact UL directly at UL Solutions, Comm 
2000, 151 Eastern Avenue, Bensenville, IL 60106, Tel: (888) 853-3503. 
In addition, during the comment period and rulemaking process, UL 
standards will be available for review, free of charge, at MSHA, Office 
of Standards, Regulations, and Variances, Room C3522, 200 Constitution 
Avenue NW, Washington, DC 20210 and at MSHA's A&CC at 765 Technology 
Drive, Triadelphia, WV 26059 (304-547-0400).

IV. Procedural Issues and Regulatory Review

A. Review Under Executive Orders 12866 and 13563

    Executive Order (E.O.) 12866, ``Regulatory Planning and Review'' 58 
FR 51735 (Oct. 4, 1993), requires agencies, to the extent permitted by 
law, to (1) propose or adopt a regulation only upon a reasoned 
determination that its benefits justify its costs (recognizing that 
some benefits and costs are difficult to quantify); (2) tailor 
regulations to impose the least burden on society, consistent with 
obtaining regulatory objectives, taking into account, among other 
things, and to the extent practicable, the costs of cumulative 
regulations; (3) select, in choosing among alternative regulatory 
approaches, those approaches that maximize net benefits; (4) to the 
extent feasible, specify performance objectives, rather than specifying 
the behavior or manner of compliance that regulated entities must 
adopt; and (5) identify and assess available alternatives to direct 
regulation, including providing economic incentives to encourage the 
desired behavior, such as user fees or marketable permits, or providing 
information upon which choices can be made by the public.
    E.O. 13563, ``Improving Regulation and Regulatory Review'' 76 FR 
3821 (Jan. 21, 2011), requires agencies to use the best available 
techniques to quantify anticipated present and future benefits and 
costs as accurately as possible. E.O. 13563 reaffirms the principles of 
E.O. 12866 while calling for improvements in the nation's regulatory 
system to promote predictability, reduce uncertainty, and use the best, 
most innovative, and least burdensome tools for achieving regulatory 
ends.
    E.O. 12866 and E.O. 13563 direct agencies to assess all costs and 
benefits of available regulatory alternatives and, if regulation is 
necessary, to select regulatory approaches that maximize net benefits. 
E.O. 13563 emphasizes the importance of quantifying both costs and 
benefits, reducing costs, harmonizing rules, and promoting flexibility.
Background
    Currently, there are no permissible PAPRs commercially available on 
the U.S. market. Mine operators have to file petitions for modification 
to use PAPRs in underground mine environments and are only granted 
permission for their use if the petition is approved. Under the 
proposed rule, mine operators would be allowed to use PAPRs in 
specified underground areas of underground mines without filing 
petitions. This proposed rule would allow mine operators to safely use 
the best and most current technology available, while not reducing 
miner safety.
    Based on MSHA internal data, the Agency estimates there will be 
approximately 197 underground metal and nonmetal (MNM) mines and 215 
underground coal mines operating each year that would be impacted by 
this proposed rule.\1\ All estimated figures are expressed in 2024 
dollars.
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    \1\ Number of mines inspected at least once in 2024 and the 
mine's current status is listed as active, intermittent, or 
nonproducing active on April 14, 2025.
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    Under the baseline scenario, coal mine operators would continue 
their current practice of filing petitions to be able to use PAPRs in 
underground mines and would purchase and use the PAPRs if their 
petition is approved. Under the proposed rule, mine operators would no 
longer need to file petitions to use PAPRs. There would be no change to 
the existing requirements placed on mine operators using PAPRs: methane 
monitoring, regular PAPR equipment inspection, and hazard awareness 
training for miners. These requirements would continue to be applied to 
all underground mines that use PAPRs under the proposed rule.
Benefits
    This proposed rule would codify new standards for using non-
permissible PAPRs in underground mines, based on technical 
specifications and working conditions. The proposed rule would 
substantially reduce future costs and delays related to filing 
petitions for modification. MSHA received 150 petitions for PAPRs 
between 2021 and 2024. These petitions show that, despite the costs 
associated with filing petitions, a substantial number of mines find 
that using PAPRs is beneficial to their operations. Being able to use 
PAPRs without having to file a petition would allow mine operators to 
safely use the latest technology without diminishing safety in 
underground mines.
Compliance Costs of Using PAPRs
    The total compliance costs associated with using PAPRs would result 
from allowing underground mine operators to purchase and use PAPRs 
without filing a petition for modification. MSHA assumes the cost of 
filing a petition currently presents a barrier to the use of PAPRs, and 
when that barrier is removed the purchase and use of PAPRs would be 
economically feasible for more mine operators.
    The total compliance costs of using PAPRs include the following:
    1. Equipment purchases: MSHA estimates that over the 10-year 
analysis period, each underground MNM mine operator would purchase 10 
PAPRs per mine and each underground coal mine operator would purchase 
50 PAPRs per mine. At a cost of $3,000 per PAPR, the 10-year total cost 
would be $36.0 million undiscounted.
    2. Methane monitoring by competent or qualified persons: MSHA 
estimates that in underground MNM mines over the 10-year analysis 
period, mining supervisors earning $75.63 per hour would spend a total 
of 12,549 hours monitoring methane; and over that same time period in 
underground coal mines, mining supervisors earning $95.72 per hour 
would spend a total of 125,488 hours monitoring methane. This yields a 
total cost over 10 years of $13.1 million.
    3. Examination of non-permissible PAPR equipment:
    a. Pre-use examinations: MSHA estimates that, over 10 years, mining 
supervisors would need to conduct 2,150 pre-use examinations in 
underground MNM mines (1 examination per mine per year) and 3,940 
examinations in underground coal mines (2 examinations per mine per 
year). At a unit cost of $5.51 per examination, the 10-year total cost 
would be $33,556 undiscounted covering 6,090 pre-use examinations.
    b. Weekly examinations: MSHA estimates mining supervisors would 
conduct 4 weekly examinations per mine each year for 215 underground

[[Page 28410]]

MNM mines and 197 underground coal mines. This results in a 10-year 
total of 16,480 examinations. At a unit cost of $9.48 per examination, 
the 10-year cost of weekly examinations would be $0.2 million 
undiscounted.
    4. Hazard awareness training for miners: MSHA estimates mine 
operators would train 2 MNM miners and 20 coal miners per mine each 
year on the hazards involved in using PAPRs. Assuming the training 
takes 1 hour to complete and using an estimated wage rate of $49.78 per 
hour for MNM miners and $57.85 per hour for coal miners, the 10-year 
cost of training would be $12,566 undiscounted over 10 years.
Cost Savings
    Under the baseline scenario, MSHA believes mine operators would 
continue to file petitions to use PAPRs, while no new petitions would 
be filed under the proposed rule. Over the 10-year analysis period, 
MSHA estimates that under the baseline there would be 20 petitions 
filed and approved without revision, 330 petitions filed and approved 
with revisions, and 30 petitions litigated. MSHA assumes that the cost 
of petitions is $6,367 per petition approved without revision, $25,468 
per petition approved with revisions, and $397,943 per litigated 
petition.\2\ Under the proposed rule, mine operators would not have to 
file petitions and thus would avoid petition associated costs of $20.47 
million undiscounted over 10 years. The annualized cost savings would 
be $2.05 million at a 0 percent discount rate, $2.25 million at a 3 
percent discount rate, and $2.52 million at a 7 percent discount rate.
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    \2\ The litigation of a petition by a mine operator can take 
several years to resolve, which could amount to hundreds, and 
possibly even thousands of legal hours.
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Summary
    To use PAPRs, mine operators would incur compliance costs of $4 
million undiscounted over 10 years, under both the baseline scenario 
(filing a petition in order to use PAPRS) or the proposed rule (using 
PAPRs without having to file a petition). Therefore, compliance costs 
are not considered incremental costs under the proposed rule.
    Under the proposed rule, there would be incremental cost savings 
from avoided costs associated with filing petitions and potentially 
going through litigation of $20.47 million. MSHA estimates that the 
annualized cost savings for this proposed rule at discount rates of 0 
percent, 3 percent, and 7 percent would be $2.05 million, $2.25 
million, and $2.52 million, respectively.
Significance Determination
    Under section 3(f) of E.O. 12866, a ``significant regulatory 
action'' is a regulatory action that is likely to result in a rule that 
may:
    (1) have an annual effect on the economy of $100 million or more, 
or adversely affect in a material way he economy, a sector of the 
economy, productivity, competition, jobs, the environment, public 
health or safety, or state, local, or tribal governments or communities 
(also referred to as economically significant);
    (2) create a serious inconsistency or otherwise interfere with an 
action taken or planned by another agency;
    (3) materially alter the budgetary impact of entitlements, grants, 
user fees, or loan programs or the rights and obligations of 
recipients; or
    (4) raise novel legal or policy issues arising out of legal 
mandates, the President's priorities, or the principles set forth in 
the E.O.
    Under section 6(a) of E.O. 12866, the Office of Management and 
Budget's (OMB's) Office of Information and Regulatory Affairs (OIRA) 
determines whether a regulatory action is significant and whether 
Agencies are required to submit the regulatory action to OIRA for 
review. Adding the provisions concerning the use of PAPRs in specified 
underground areas of mines would not impose new compliance costs to 
underground mine operators or reduce the protections afforded to 
miners. This proposed rule is determined to not constitute a 
``significant regulatory action'' because it does meet any of the four 
``significant regulatory action'' criteria under section 3(f) of E.O. 
12866. Accordingly, this proposed rule was not submitted to OIRA for 
review under E.O. 12866.
    No alternatives were considered for this proposed deregulatory 
action.

B. Review Under the Regulatory Flexibility Act

    The Regulatory Flexibility Act (RFA) of 1980, as amended by the 
Small Business Regulatory Enforcement Fairness Act (SBREFA) of 1996, 
requires preparation of an Initial Regulatory Flexibility Analysis 
(IRFA) for any rule that by law must be proposed for public comment, 
unless the agency certifies that the rule, if promulgated, will not 
have a significant economic impact on a substantial number of small 
entities. The RFA defines small entities to include small businesses, 
small organizations, including not-for-profit organizations, and small 
governmental jurisdictions. MSHA reviewed this proposed rule under the 
provisions of the RFA, which eliminates burdensome regulations.
    Under the RFA, MSHA uses the Small Business Administration's (SBA) 
definition to set thresholds for small business sizes for the MNM and 
coal mining industries defined at the 6-digit North American Industry 
Classification System (NAICS) level. For underground MNM mines the 
threshold ranges from 500-1,500 employees depending on the specific 
commodity being mined. For underground coal mines the threshold is 
1,500 employees.
    MSHA estimates the total annual revenues for MNM commodities to be 
$105.6 billion. This was calculated using the 2024 production values 
for all metal and industrial minerals reported in U.S. Geological 
Survey' Mineral Commodity Summaries 2025 Report. Using MSHA internal 
data the agency estimates that $44.0 billion of the total revenues were 
generated by small MNM mines.
    MSHA evaluated data routinely provided by mine operators related to 
the number of mines, employment, and production from MSHA's 
Standardized Information System (MSIS) for underground coal mines. MSHA 
calculated revenue as production times the average price of coal. Using 
internal data, MSHA estimates that small coal mines produce roughly 
92.1 million tons of coal annually. Using U.S Energy Information 
Administration Annual Coal Report 2023 Table 28, Average Sales Price of 
Coal by State and Mine Type, the average coal price was $54.04 per 
short ton in 2023. The price was then adjusted to 2024 dollars using 
CPI-U, $55.63 per short ton, to estimate national coal revenues of $5.1 
billion generated by small coal mines.
    MSHA assesses the impacts on small entities by comparing the 
estimated compliance costs of the proposed rule for small entities 
affected by the rule to the estimated revenues for the affected sector. 
When estimated compliance costs are less than 1 percent of the 
estimated revenues, the Agency believes it is generally appropriate to 
conclude that there is no significant economic impact on a substantial 
number of small entities. When estimated compliance costs exceed 1 
percent of revenues, MSHA investigates whether further analysis is 
required. The impact as a percentage of revenue is essentially zero 
under the proposed rule: for small MNM and coal mine operators total 
annualized cost is $4.93 million while total annual revenue is $49.1 
billion, resulting in the ratio of 0.010 percent. Thus, no further 
analysis is required.
    MSHA considered the compliance costs on small mines when developing

[[Page 28411]]

the proposed rule. MSHA reviewed this proposed rule under the 
provisions of the RFA, which eliminates burdensome regulations. 
Therefore, MSHA initially concludes that the impacts of the proposed 
rule would not have a ``significant economic impact on a substantial 
number of small entities,'' and the preparation of an IRFA is not 
warranted. MSHA will transmit this certification and supporting 
statement of factual basis to the Chief Counsel for Advocacy of the 
Small Business Administration for review under 5 U.S.C. 605(b).

C. Review Under the Paperwork Reduction Act

    The Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.) 
provides for the Federal Government's collection, use, and 
dissemination of information. The goals of the Paperwork Reduction Act 
include minimizing paperwork and reporting burdens and ensuring the 
maximum possible utility from the information that is collected under 5 
CFR part 1320. The Paperwork Reduction Act requires Federal agencies to 
obtain approval from OMB before requesting or requiring ``a collection 
of information'' from the public.
    This proposed rule imposes no new information collection or 
recordkeeping requirements. The requirements for training recordkeeping 
are fully covered in a currently approved information collection 
request, OMB Control Number 1219-0009 ``Training Plans and Records of 
Training for Underground Miners and Miners Working at Surface Mines and 
Surface Areas of Underground Mines.'' There is no change to this 
information collection request.
    However, this proposed rule would result in substantive changes to 
another currently approved information collection request, OMB Control 
Number 1219-0065 ``Petitions for Modification of Mandatory Safety 
Standards.'' The currently approved information collection request 
covers requirements in 30 CFR part 44, which set forth the procedures 
and rules to govern petitions for modification of mandatory safety 
standards filed under section 101(c) of the Mine Act.
    Under this proposed rule, MNM and coal mine operators would no 
longer have to file petitions for modification to use PAPRs in 
underground mine environments. This proposed change would decrease the 
paperwork burden and costs to mine operators as they would no longer 
file petitions for using PAPRs in underground MNM and coal mines. MSHA 
proposes to revise the supporting statement for the information 
collection request 1219-0065 to reflect these changes and seeks public 
comment on these changes.
    Type of Review: Substantive Change to currently approved 
information collection.
    OMB Control Number: 1219-0065.
    Title: Petitions for Modifications of Mandatory Safety Standards.
    Description of the ICR:
Background
    Under 30 CFR 44.4, mine operators can file a petition for 
modification to use an alternative method of achieving the same result 
of an existing standard that will at all times guarantee no less than 
the same measure of protection afforded by the standard. Currently, 
this is the only way mine operators are able to use non-permissible 
PAPRs. Under the proposed rule, the requirements for using such 
equipment would be codified and mine operators would no longer have to 
file a petition for their use.
    Based on MSHA records of petitions for modification received 
between 2021 through 2023, there were an average of 46 petitions each 
year. Of these submitted petitions, there was an average of 26 
submissions that requested the use of PAPRs. Under this proposed rule, 
the Agency estimates that the average annual petitions would be reduced 
from 46 to 20 petitions, as the 26 petitions concerning PAPRs would no 
longer need to be filed. MSHA assumes that 24 petitions for PAPRS would 
have been filed by underground coal mines and 2 by underground MNM 
mines. Additionally, it is assumed that under the proposed rule, of the 
remaining 20 petitions filed each year, 19 petitions would be from coal 
mines and 1 would be from a MNM mine.
Summary of Changes
    This substantive change request will change the supporting 
statement for this information collection request due to an addition in 
the recordkeeping requirements in the proposed 30 CFR 57.22316 through 
57.22316-7 and 75.530 through 75.537. Forty-six mines are currently 
impacted under 1219-0065 and under the proposed rule this figure would 
decrease to 20. This change does not modify the authority or number of 
affected mine operators and contractors, but it does decrease the 
paperwork burden and costs associated with filing petitions as captured 
by this information collection request.
    The number of respondents, frequency of response, annual hour 
burden, and recordkeeping cost are described below.
1. Preparing and Filing Petitions for Modification (30 FR 44.10 and 
44.11(a))
    Under 30 CFR 44.10 and 44.11(a), a mine operator or any 
representative of miners may file a petition for modification of the 
application of a mandatory safety standard. MSHA assumes that petitions 
will either be filed by mine operators or by third-party sources on 
behalf of mine operators. Under the proposed rule, MSHA assumes that 
each year 16 petitions would be prepared by mine operators, 15 from 
coal mines and 1 from a MNM mine. MSHA estimates that it takes 40 hours 
to prepare and file a petition, which will be completed by a coal or 
MNM mining supervisor, earning $95.72 or $75.63 per hour, respectively.
    As related to these requirements, the proposed rule would reduce 
the number of annual respondents from 37 to 16, the number of annual 
responses from 37 to 16, and the annual burden hours from 1,480 to 640.
    Additionally, MSHA assumes that 4 petitions are prepared by third-
party sources (independent legal counsel) each year. MSHA estimates 
that it takes an independent counsel, earning $182.79 per hour, 
approximately 16 hours to prepare a petition. This will be a total of 
$11,699 spent preparing the 4 petitions. This would be a decrease from 
the previous recordkeeping cost estimate of $24,814.
    The prepared petitions must be submitted to MSHA for review and 
approval. Each year, MSHA estimates only 1 petition would be submitted 
by mail and 19 would be submitted electronically. MSHA assumes that 
there is no filing cost if submitted electronically. MSHA estimates the 
mailing costs for a petition for modification is $8.00 if using 
certified mail from USPS. This proposed rule would reduce the 
recordkeeping cost burden from $16 to $8.
2. Posting Copies of Petitions on the Mine Bulletin Boards (30 CFR 
44.9)
    Under 30 CFR 44.9, a mine operator must, when there is no 
representative of miners, post a copy of each petition for modification 
concerning the mine on the mine bulletin board and must maintain the 
posting until a ruling on the petition becomes final. MSHA assumes that 
all mine operators will post the petition for modification on the 
mine's bulletin board.
    MSHA assumes each year there will be 19 petitions from coal mines 
and 1 from a MNM mine. MSHA estimates that it takes 10 minutes to make 
copies of the petition and post the petition to the mine bulletin 
board. This will be

[[Page 28412]]

done by a coal or MNM clerk, earning $44.53 or $45.42 per hour, 
respectively.
    As related to this item, the proposed rule would reduce the number 
of annual respondents from 46 to 20, the number of annual responses 
from 46 to 20, and the annual burden hours from 7.67 to 3.33.
    Additionally, MSHA assumes that on average a petition for 
modification is 3 pages long and the printing cost is $0.15 per page, 
so the material cost of printing a copy of the petition would be $0.45. 
By reducing the number of petitions to be posted on the mine bulletin 
board by 26, this proposed rule reduces the annual recordkeeping cost 
to respondents by $11.70.
    In summary, this proposed rule would reduce the number of annual 
respondents from 46 to 20, the number of annual responses from 46 to 
20, and the annual burden hours from 7.67 to 3.33. The annual 
recordkeeping cost to respondents would decrease from $20.70 to $9.00.
3. Serving Representatives of Miners With Petitions (30 CFR 44.10)
    Under 30 CFR 44.10, if a petition is filed by a mine operator, a 
copy of the petition must be served to a representative of miners at 
the affected mine. MSHA assumes that 20 petitions would be filed each 
year, 19 from coal mines and 1 from a MNM mine. MSHA estimates that it 
takes 10 minutes to make copies of the petition and serve the petition 
to a representative of miners. A coal or MNM clerk earns $44.53 or 
$45.42 per hour, respectively.
    As related to this item, the proposed rule would reduce the number 
of annual respondents from 46 to 20, the number of annual responses 
from 46 to 20, and the annual burden hours from 7.67 to 3.33.
    Additionally, MSHA assumes that on average a petition for 
modification is 3 pages long and the printing cost is $0.15 per page, 
so the material cost of printing a copy of the petition would be $0.45. 
By reducing the number of petitions to be served to miners' 
representatives by 26 this proposed rule reduces the annual other cost 
burden by $11.70.
    In summary, this proposed rule would reduce the number of annual 
respondents from 46 to 20, the number of annual responses from 46 to 
20, and the annual burden hours from 7.67 to 3.33. The annual 
recordkeeping cost to respondents would decrease from $20.70 to $9.00.
4. Serving Miners' Representative With Copies of the Final Actions 
Granting Petitions and Posting Copies to the Mine Bulletin Boards (30 
CFR 44.5(b))
    Under 30 CFR 44.5(b), every final action granting a petition for 
modification must be posted by the operator on the mine bulletin board 
at the affected mine and remain posted as long as the modification is 
effective. If a summary of the final action is posted on the mine 
bulletin board, a copy of the full decision must be kept at the 
affected mine office and made available to the miners.
    Under the baseline, MSHA estimates that each year 46 petitions 
would be submitted. Of the 46, 26 would be related to PAPRs, 3 of which 
would be denied and 23 approved. The proposed rule removes the need for 
the 26 petitions. Of the remaining 20 petitions submitted annually, 
MSHA estimates 12 would be approved, 11 from coal mines and 1 from a 
MNM mine. MSHA estimates that it takes 10 minutes to make copies of the 
final action and then to serve them to the miners' representative or 
post on the mine bulletin board. This will be done by a coal or MNM 
clerk, earning $44.53 or $45.42 per hour, respectively.
    As related to this item, the proposed rule would reduce the number 
of annual respondents from 46 to 20, the number of annual responses 
from 46 to 20, and the annual burden hours from 7.67 to 3.33.
    Additionally, MSHA assumes that a mine operator will make 2 copies 
of each final actions granting petitions: 1 copy to be posted on the 
bulletin board and 1 copy available to miners. MSHA assumes that on 
average a petition for modification is 3 pages long and the printing 
cost is $0.15 per page, so the cost of printing a copy of the petition 
would be $0.45. This recission would reduce the number of copies of 
final actions made by 46 (23 served to miners' representatives and 23 
posted to mine bulletin boards). This recission reduces the annual 
other cost burden from $31.50 to $10.80.
    This portion of the PRA requirements would reduce the number of 
annual respondents from 35 to 12, the number of annual responses from 
35 to 12, and the annual burden hours from 5.83 to 2.00. The annual 
recordkeeping cost to respondents would decrease from $31.50 to $10.80.
Summary of the Collection of Information
    Under the proposed rule, the estimated number of respondents, 
responses, burden hours, and recordkeeping costs to respondents would 
decrease from the currently approved information collection request.
    Affected Public: Businesses or For-Profit.
    Estimated Number of Respondents: 20 (-26 from proposed rule).
    Frequency: On occasion.
    Estimated Number of Responses: 68 (-96 from proposed rule).
    Estimated Number of Burden Hours: 649 (-853 from proposed rule).
    Estimated Recordkeeping Costs to Respondents: $11,735 (-$13,095 
from proposed rule).

D. Review Under Executive Order 13132

    E.O. 13132, ``Federalism,'' 64 FR 43255 (August 10, 1999), imposes 
certain requirements on Federal agencies formulating and implementing 
policies or regulations that preempt State law or that have federalism 
implications. The E.O. requires agencies to examine the constitutional 
and statutory authority supporting any action that would limit the 
policymaking discretion of the States and to carefully assess the 
necessity for such actions. The E.O. also requires agencies to have an 
accountable process to ensure meaningful and timely input by State and 
local officials in the development of regulatory policies that have 
federalism implications.
    MSHA has determined that the proposed rule would not have 
federalism implications because it would 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. Accordingly, 
E.O. 13132 requires no further action or analysis.

E. Review Under Executive Order 12988

    With respect to the review of existing regulations and the 
promulgation of new regulations, section 3(a) of E.O. 12988, ``Civil 
Justice Reform'' 61 FR 4729 (Feb. 7, 1996), imposes on Federal agencies 
the general duty to adhere to the following requirements: (1) eliminate 
drafting errors and ambiguity; (2) write regulations to minimize 
litigation; (3) provide a clear legal standard for affected conduct 
rather than a general standard; and (4) promote simplification and 
burden reduction. Regarding the review required by section 3(a), 
section 3(b) of E.O. 12988 specifically requires that Executive 
agencies make every reasonable effort to ensure that the regulation: 
(1) clearly specifies the preemptive effect, if any; (2) clearly 
specifies any effect on

[[Page 28413]]

existing Federal law or regulation; (3) provides a clear legal standard 
for affected conduct while promoting simplification and burden 
reduction; (4) specifies the retroactive effect, if any; (5) adequately 
defines key terms; and (6) addresses other important issues affecting 
clarity and general draftsmanship under any guidelines issued by the 
Attorney General.
    Section 3(c) of E.O. 12988 requires Executive agencies to review 
regulations in light of applicable standards in section 3(a) and 
section 3(b) to determine whether they are met or it is unreasonable to 
meet one or more of them. MSHA has completed the required review and 
determined that, to the extent permitted by law, this proposed rule 
meets the relevant standards of E.O. 12988.

F. Review Under the Unfunded Mandates Reform Act

    Title II of the Unfunded Mandates Reform Act of 1995 (UMRA) 
requires each Federal agency to assess the effects of Federal 
regulatory actions on State, local, and Tribal governments and the 
private sector. Public Law 104-4, sec. 201 (codified at 2 U.S.C. 1531). 
For a regulatory action likely to result in a rule that may cause the 
expenditure by State, local, and Tribal governments, in the aggregate, 
or by the private sector of $100 million or more in any one year 
(adjusted annually for inflation), section 202 of UMRA requires a 
Federal agency to publish a written statement that estimates the 
resulting costs, benefits, and other effects on the national economy. 
(2 U.S.C. 1532(a), (b)). The UMRA also requires a Federal agency to 
develop an effective process to permit timely input by elected officers 
of State, local, and Tribal governments on a ``significant 
intergovernmental mandate,'' and requires an agency plan for giving 
notice and opportunity for timely input to potentially affected small 
governments before establishing any requirements that might 
significantly or uniquely affect them.
    MSHA examined this proposed rule according to UMRA and its 
statement of policy and determined that the proposed rule does not 
contain a Federal intergovernmental mandate, nor is it expected to 
require expenditures of $100 million or more in any one year by State, 
local, and Tribal governments, in the aggregate, or by the private 
sector. As a result, no further Agency action or analysis is required.

G. Review Under the National Environmental Policy Act

    The National Environmental Policy Act (NEPA) of 1969 (42 U.S.C. 
4321 et seq.), requires each Federal agency to consider the 
environmental effects of regulatory actions and to prepare an 
environmental impact statement on Agency actions that would 
significantly affect the quality of the environment; unless the action 
is considered categorically excluded under 29 CFR 11.10. MSHA has 
reviewed the proposed rule in accordance with NEPA requirements and the 
Department of Labor's NEPA procedures (29 CFR part 11). As a result of 
this review, MSHA has determined that this proposed rule would not 
impact air, water, or soil quality, plant or animal life, the use of 
land or other aspects of the human environment. Therefore, MSHA has not 
conducted an environmental assessment nor provided an environmental 
impact statement.

H. Review Under the Treasury and General Government Appropriations Act, 
1999

    Section 654 of the Treasury and General Government Appropriations 
Act, 1999 (Pub. L. 105-277) requires Federal agencies to issue a Family 
Policymaking Assessment for any rule that may affect family well-being. 
This proposed rule would not have any impact on the autonomy or 
integrity of the family as an institution. Accordingly, MSHA has 
concluded that it is not necessary to prepare a Family Policymaking 
Assessment.

I. Review Under Executive Order 12630

    Pursuant to E.O. 12630, ``Governmental Actions and Interference 
with Constitutionally Protected Property Rights'' 53 FR 8859 (March 18, 
1988), MSHA has determined that this proposed rule would not result in 
any takings that might require compensation under the Fifth Amendment 
to the U.S. Constitution.

J. Review Under the Treasury and General Government Appropriations Act, 
2001

    Section 515 of the Treasury and General Government Appropriations 
Act, 2001 (44 U.S.C. 3516, note) provides for Federal agencies to 
review most disseminations of information to the public under 
information quality guidelines established by each agency pursuant to 
general guidelines issued by OMB. OMB's guidelines were published at 67 
FR 8452 (Feb. 22, 2002). MSHA has reviewed this proposed rule and has 
concluded that it is consistent with applicable policies in the OMB 
guidelines.

K. Review Under Executive Order 13175

    E.O. 13175, ``Consultation and Coordination With Indian Tribal 
Governments'' 65 FR 67249 (Nov. 9, 2000), requires agencies to consult 
with tribal officials when developing policies that may have ``tribal 
implications.'' This proposed rule does not have ``tribal 
implications'' because it will not ``have substantial direct effects on 
one or more Indian tribes, on the relationship between the Federal 
Government and Indian tribes, or on the distribution of power and 
responsibilities between the Federal Government and Indian tribes.'' 
Accordingly, under E.O. 13175, no further Agency action or analysis is 
required.

L. Review Under Executive Order 13211

    E.O. 13211, ``Actions Concerning Regulations That Significantly 
Affect Energy Supply, Distribution, or Use'' 66 FR 28355 (May 22, 
2001), requires agencies to publish a statement of energy effects when 
a rule has a significant energy action that adversely affects energy 
supply, distribution, or use. MSHA has reviewed this proposed rule for 
its energy effects. For the energy analysis, this proposed rule will 
not exceed the relevant criteria for adverse impact.

M. Plain Language

    E.O. 12866 and E.O. 13563 require regulations to be written in a 
manner that is easy to understand. MSHA has drafted the proposed rule 
in plain language.

N. Review Under Additional Executive Orders and Presidential Memoranda

    MSHA has examined this proposed rule and has determined that it is 
consistent with the policies and directives outlined in E.O. 14154, 
``Unleashing American Energy'' 90 FR 8353 (Jan. 29, 2025); E.O. 14192, 
``Unleashing Prosperity Through Deregulation'' 90 FR 9065 (Feb. 6, 
2025); and the Presidential Memorandum, ``Delivering Emergency Price 
Relief for American Families and Defeating the Cost of Living Crisis'' 
90 FR 8245 (Jan. 28, 2025). This proposed rule is expected to be an 
E.O. 14192 deregulatory action.

List of Subjects

30 CFR Part 57

    Chemicals, Electric power, Explosives, Fire prevention, Gases, 
Hazardous substances, Incorporation by reference, Metals, Mine safety 
and health, Mines, Noise control, Radiation protection, Reporting and 
recordkeeping requirements, Underground mining.

[[Page 28414]]

30 CFR Part 75

    Communications equipment, Electric power, Emergency medical 
services, Incorporation by reference, Mandatory safety standards, 
Explosives, Fire prevention, Mine safety and health, Reporting and 
recordkeeping requirements, Training, Underground coal mines.

    For the reasons set forth in the preamble, and under the authority 
of the Federal Mine Safety and Health Act of 1977, as amended by the 
Mine Improvement and New Emergency Response Act of 2006, MSHA proposes 
to amend chapter I of title 30 of the Code of Federal Regulations as 
follows:

PART 57--SAFETY AND HEALTH STANDARDS--UNDERGROUND METAL AND 
NONMETAL MINES

0
1. The authority citation for part 57 continues to read as follows:

    Authority: 30 U.S.C. 811.

Subpart T--Safety Standards for Methane in Metal and Nonmetal Mines

0
2. Add Sec. Sec.  57.22316 through 57.22316-7 to read as follows:

Sec.  57.22316 Non-permissible powered air purifying respirators 
(PAPRs): Purpose and scope.
Sec.  57.22316-1 Non-permissible PAPRs: Definitions.
Sec.  57.22316-2 Non-permissible PAPRs: Approval and certification 
requirements.
Sec.  57.22316-3 Non-permissible PAPRs: Requirements before use.
Sec.  57.22316-4 Non-permissible PAPRs: Continuous monitoring during 
operation.
Sec.  57.22316-5 Non-permissible PAPRs: Requirements for batteries.
Sec.  57.22316-6 Non-permissible PAPRs: Maintenance and examination.


Sec.  57.22316-7  Non-permissible PAPRs: Training.


Sec.  57.22316  Non-permissible powered air purifying respirators 
(PAPRs): Purpose and scope.

    (a) Non-permissible PAPRs meeting the provisions in Sec. Sec.  
57.22316-1 through 57-22316-7 are permitted when no MSHA-approved PAPRs 
are commercially available.
    (b) In the event that an operator implements a non-permissible PAPR 
at a mine, the operator must replace non-permissible PAPRs with 
approved PAPRs at the end of the non-permissible PAPR useful life or 2 
years after the date of manufacture, whichever is sooner, if approved 
PAPRs become commercially available.
    (c) PAPRs which are not MSHA-approved may be taken into and 
operated in specified underground areas: in or beyond the last open 
crosscut and in areas where methane may enter the air current, such as 
pillar recovery workings, longwall faces and shortwall faces, when 
PAPRs that meet the permissibility requirements in part 18 of this 
chapter do not exist.
    (d) Sections 57.22316-1 through 57-22316-7 establish requirements 
for the features, use, and maintenance of non-permissible PAPRs, and 
the training of the personnel using such equipment when production 
activities are occurring and when production activities cease.


Sec.  57.22316-1  Non-permissible PAPRs: Definitions.

    The following definitions apply:
    Commercially available. Currently being manufactured and available 
for sale in the U.S.
    Powered air purifying respirators (PAPRs). Battery-powered devices 
certified by the National Institute for Occupational Safety and Health 
(NIOSH) equipped with a facepiece, hood, or helmet, breathing tube, 
canister, cartridge, filter, canister with filter, or cartridge with 
filter, and a blower.
    Production activities. Activities that generate dust containing 
volatile matter or combustible gases including but not limited to 
cutting, drilling, blasting, transporting, cleaning, loading, and 
unloading.
    Specified underground area. An underground area located in or 
beyond the last open crosscut and areas where methane may enter the air 
current, such as pillar recovery workings, longwall faces and shortwall 
faces or any underground area requiring electrical equipment that is 
approved by MSHA under the applicable requirements of 30 CFR parts 18 
through 36. These areas are considered where explosive concentrations 
of methane gas are most likely to occur.


Sec.  57.22316-2  Non-permissible PAPRs: Approval and certification 
requirements.

    (a) PAPRs which are not MSHA-approved and taken into specified 
underground areas must meet the following conditions:
    (1) Non-permissible PAPRs, including batteries when assembled for 
use, must be approved by the National Institute for Occupational Safety 
and Health (NIOSH) under 42 CFR part 84.
    (2) Non-permissible PAPRs must be certified to the ANSI/UL 60079-11 
standard listed in Sec.  57.22316-2(b)(1)(i) by a Nationally Recognized 
Testing Laboratory (NRTL) in accordance with 29 CFR 1910.7. 
Certification allows the manufacturer to mark the device as ``Ex ia 
I'', meaning that the unit is certified to be used in hazardous 
locations (``Ex''), has met the most onerous level of intrinsic safety 
protection (``ia''), the Equipment Protection Level (``very high''), 
and is acceptable for use in mines susceptible to firedamp (``I'').
    (b) The material listed in this paragraph (b) is incorporated by 
reference into this section with the approval of the Director of the 
Federal Register under 5 U.S.C. 552(a) and 1 CFR part 51. All approved 
incorporation by reference (IBR) material is available for inspection 
at the U.S. Department of Labor, Mine Safety and Health Administration 
(MSHA) and at the National Archives and Records Administration (NARA). 
Contact MSHA at 200 Constitution Avenue NW, Washington, DC 20210. For 
information on the availability of this material at NARA, visit 
<a href="http://www.archives.gov/federal-register/cfr/ibr-locations">www.archives.gov/federal-register/cfr/ibr-locations</a> or email 
<a href="/cdn-cgi/l/email-protection#4325316d2a2d30332620372a2c2d032d2231226d242c35"><span class="__cf_email__" data-cfemail="86e0f4a8efe8f5f6e3e5f2efe9e8c6e8e7f4e7a8e1e9f0">[email&#160;protected]</span></a>. The material is available as follows:
    (1) International Society of Automation (ISA), 67 T.W. Alexander 
Drive, P.O. Box 12277, Research Triangle Park, NC 27709; phone: (919) 
549-8411; website: <a href="http://www.isa.org">www.isa.org</a>.
    (i) ANSI/ISA 60079-11 (12.02.01)-2014, American National Standard 
for Explosive Atmospheres--Part 11: Equipment protection by intrinsic 
safety ``i'', Edition 6.2, Approved March 28, 2014.
    (ii) ANSI/ISA 60079-25 (12.02.05)-2011, American National Standard 
for Explosive Atmospheres--Part 25: Intrinsically safe electrical 
systems, Approved December 2, 2011.
    (2) UL Solutions. Comm 2000. 151 Eastern Avenue, Bensenville, IL 
60106; phone: (888) 853-3503; website: <a href="http://www.ul.com">www.ul.com</a>.
    (i) ANSI/UL 60079-0, Standard for Safety for Explosive 
Atmospheres--Part 0: Equipment--General Requirements, Seventh Edition, 
Dated March 26, 2019, including revisions through April 15, 2020 (ANSI/
UL 60079-0).
    (ii) ANSI/UL 60079-1, Standard for Safety for Explosive 
Atmospheres--Part 1: Equipment Protection by Flameproof Enclosures 
``d'', Seventh Edition, Dated September 18, 2015, including revisions 
through January 23, 2020 (ANSI/UL 60079-1).
    (iii) ANSI/UL 60079-11, Standard for Safety for Explosive 
Atmospheres--Part 11: Equipment Protection by Intrinsic Safety ``i'', 
Sixth Edition, Dated February 15, 2013, including revisions through 
September 14, 2018 (ANSI/UL 60079-11).
    (iv) ANSI/UL 60079-18, Standard for Safety for Explosive 
Atmospheres--Part 18: Equipment Protection by Encapsulation ``m'', 
Fourth Edition,

[[Page 28415]]

Dated December 14, 2015, including revisions through February 7, 2019 
(ANSI/UL 60079-18).
    (v) ANSI/UL 60079-25, Standard for Safety for Explosive 
Atmospheres--Part 25: Intrinsically Safe Electrical Systems, Second 
Edition, Dated December 2, 2011, including revisions through June 12, 
2020 (ANSI/UL 60079-25).
    (vi) ANSI/UL 60079-28 Ed. 2-2017, Standard for Safety for Explosive 
Atmospheres--Part 28: Protection of Equipment and Transmission Systems 
Using Optical Radiation, Second Edition, Dated September 15, 2017, 
including revisions through December 7, 2021 (ANSI/UL 60079-28).

    Note 1 to Sec.  57.22316-2:  The voluntary consensus standards 
listed in this section may also be obtained from the American 
National Standards Institute (ANSI), 1899 L Street NW, 11th Floor, 
Washington, DC 20036; phone: (202) 293-8020; website: <a href="http://www.ansi.org">www.ansi.org</a>.

Sec.  57.22316-3  Non-permissible PAPRs: Requirements before use.

    (a) Prior to being taken into specified underground areas, each 
non-permissible PAPR shall be:
    (1) Physically examined by a competent person as defined in Sec.  
57.22002.
    (i) The examination shall include the battery pack, and all 
associated wiring and connections to determine if there are any 
observable defects or damage that could negatively impact intrinsic 
safety.
    (ii) If any defect or damage is found, the non-permissible PAPR 
shall be removed from service.
    (2) Examined by the user in accordance with the manufacturer's 
instructions to ensure the equipment is used according to the 
manufacturer's recommendations and maintained in a safe operating 
condition.
    (b) The examination under (a)(1) and (a)(2) shall include:
    (1) Checking the equipment for any physical damage and the 
integrity of the case;
    (2) Removing the battery (if removable/accessible) and examining 
for corrosion;
    (3) Inspecting the electrical contact points to ensure a secure 
connection to the battery (if removable/accessible);
    (4) Reinserting the battery (if removable/accessible) and powering 
up and shutting down to ensure proper connections;
    (5) Checking the battery compartment cover or battery attachment 
(if removable/accessible) to ensure that it is securely fastened, and 
for ingress of dust or moisture; and
    (6) For equipment utilizing lithium type cells, ensuring that 
lithium cells and/or packs are not damaged or swollen.


Sec.  57.22316-4  Non-permissible PAPRs: Continuous monitoring during 
operation.

    (a) Prior to energizing the non-permissible PAPR in the specified 
underground areas, tests for methane shall be conducted in the mine 
atmosphere of the specified area by a competent person.
    (b) A competent person shall continuously monitor for methane in 
the specified underground area immediately before and while non-
permissible PAPRs are present.
    (c) All hand-held methane detectors shall be MSHA-approved and 
maintained in permissible and proper operating condition.
    (d) All methane detectors must provide visual and audible warnings 
when the percent methane listed in Sec. Sec.  57.22232 through 57.22236 
for the corresponding mine categories in Sec.  57.22003 is detected.
    (e) When the percent methane listed in Sec. Sec.  57.22232 through 
57.22236 for the corresponding mine categories in Sec.  57.22003 is 
detected while the non-permissible PAPR is being used in the specified 
underground areas, the equipment shall be de-energized immediately and 
withdrawn from the area to outby the last open crosscut, out of areas 
where methane may enter the air current, such as pillar recovery 
workings, longwall faces and shortwall faces.


Sec.  57.22316-5  Non-permissible PAPRs: Requirements for batteries.

    (a) Before each shift, all batteries for the non-permissible PAPRs 
must be charged sufficiently to function the entire shift.
    (b) Replacement batteries for non-permissible PAPRs must not be 
taken into the specified underground areas.
    (c) Batteries contained in the non-permissible PAPRs must be 
changed in intake air outside of the specified underground areas.
    (d) No batteries may be charged underground.
    (e) The following maintenance and use conditions must apply to 
equipment containing lithium-type batteries:
    (1) Neither the battery pack nor the power unit may be disassembled 
or modified by anyone other than permitted by the equipment 
manufacturer.
    (2) The battery must only be charged using the manufacturer's 
recommended battery charger.
    (3) Neither the battery pack nor the power unit, which contain the 
internal battery, shall be exposed to water, allowed to get wet, or 
immersed in liquid. This does not preclude incidental exposure of the 
battery pack nor the power unit assembly.
    (4) The non-permissible PAPR, including the internal battery, must 
not be used, charged, or stored in locations where the manufacturer's 
recommended temperature limits are exceeded. The non-permissible PAPR 
must not be placed in direct sunlight nor stored near a source of heat.
    (f) Follow the manufacturer's recommendations and instructions. 
Check and monitor each non-permissible PAPR's run time.
    (1) Routinely check the battery's charge status according to the 
manufacturer's recommendation.
    (2) Remove the battery from service when the battery fails to meet 
the manufacturer's specifications including, but not limited to, run 
time, temperature, and charging time.
    (g) Follow the storage instructions as recommended by the 
manufacturer. If the instructions are not followed for a battery stored 
or otherwise unused for an extended period or the battery has no charge 
remaining, consider it to be damaged and do not recharge it or use it. 
Remove it from service and replace it with a new battery.


Sec.  57.22316-6  Non-permissible PAPRs: Maintenance and examination.

    (a) All non-permissible PAPRs must be maintained to ensure safe 
operating condition. When a potentially dangerous condition is found 
with the equipment, such equipment must be immediately withdrawn from 
the specified underground areas, taken out of service, and must be 
repaired before returning to service.
    (b) As specified under Sec.  57.22316-3, non-permissible PAPRs must 
be examined according to the manufacturer's recommendations to ensure 
safe operating condition.
    (c) The mine operator must ensure that all non-permissible PAPRs 
are serviced according to the manufacturer's recommendations.


Sec.  57.22316-7  Non-permissible PAPRs: Training.

    (a) Miners who will use non-permissible PAPRs must be trained on 
the requirements in Sec. Sec.  57.22316-1 through 57-22316-7 before the 
non-permissible PAPRs can be used.
    (b) Mine operators must train new miners under Sec.  48.5, train 
experienced miners under Sec.  48.6, and train miners assigned new work 
tasks under Sec.  48.7, on the requirements in Sec. Sec.  57.22316-1 
through 57-22316-7. The training must include hazard recognition 
specific to the mine.

[[Page 28416]]

    (c) Mine operators must provide annual retraining to all miners who 
may use non-permissible PAPRs under Sec.  48.8.
    (d) Mine operators must include the following in their training:
    (1) The proper use and maintenance of the non-permissible PAPRs, in 
accordance with established manufacturer guidelines.
    (2) How to recognize the hazards and limitations associated with 
the use of non-permissible PAPRs in the areas where methane could be 
present.
    (3) That the PAPR is not approved under 30 CFR part 18 and must be 
de-energized when 1.0 or more percent methane is detected.
    (4) The proper procedures to safely de-energize the non-permissible 
PAPR.
    (5) How to examine the non-permissible PAPR before use to identify 
any damage that could negatively impact intrinsic safety, or any of the 
stipulations in Sec. Sec.  57.22316-1 through 57-22316-7.
    (6) How to recognize non-permissible PAPR filter replacement 
indicators.
    (7) How to change filters when indicated.
    (8) The proper procedures for transferring to self-rescue devices 
during a mine emergency while wearing the non-permissible PAPR.
    (e) Records of training required under this part must comply with 
part 48.
    (f) Mine operators must provide such records to MSHA upon request.

PART 75--MANDATORY SAFETY STANDARDS--UNDERGROUND COAL MINES

0
3. The authority citation for part 75 continues to read as follows:

    Authority: 30 U.S.C. 811, 813(h), 957.

Subpart F--Electrical Equipment--General.

0
4. Add Sec. Sec.  75.530 through 75.537 to read as follows:

Sec.  75.530 Non-permissible powered air purifying respirators 
(PAPRs): Purpose and scope.
Sec.  75.531 Non-permissible PAPRs: Definitions.
Sec.  75.532 Non-permissible PAPRs: Approval and certification 
requirements.
Sec.  75.533 Non-permissible PAPRs: Requirements before use.
Sec.  75.534 Non-permissible PAPRs: Continuous monitoring during 
operation.
Sec.  75.535 Non-permissible PAPRs: Requirements for batteries.
Sec.  75.536 Non-permissible PAPRs: Maintenance and examination.
Sec.  75.537 Non-permissible PAPRs: Training.


Sec.  75.530  Non-permissible powered air purifying respirators 
(PAPRs): Purpose and scope.

    (a) Non-permissible PAPRs meeting the provisions in Sec. Sec.  
75.531 through 75.537 are permitted when no MSHA-approved PAPRs are 
commercially available.
    (b) In the event that an operator implements a non-permissible PAPR 
at a mine, the operator must replace non-permissible PAPRs with 
approved PAPRs at the end of the non-permissible PAPR useful life or 2 
years after the date of manufacture, whichever is sooner, if approved 
PAPRs become commercially available.
    (c) PAPRs which are not MSHA-approved may be taken into and 
operated in specified underground areas: in or inby the last open 
crosscut, Sec.  75.500(d), in the return air outby the last open 
crosscut, Sec.  75.507-1(a), or within 150 feet of the pillar workings 
or longwall faces, Sec.  75.1002(a), when PAPRs that meet the 
permissibility requirements in part 18 of this chapter do not exist.
    (d) Sections 75.531 through 75.537 also establish requirements for 
the features, use, and maintenance of non-permissible PAPRs, and the 
training of the personnel using such equipment when production 
activities are occurring and when production activities cease.


Sec.  75.531  Non-permissible PAPRs: Definitions.

    The following definitions apply:
    Commercially available. Currently being manufactured and available 
for sale in the U.S.
    Powered air purifying respirators (PAPRs). Battery-powered devices 
certified by the National Institute for Occupational Safety and Health 
(NIOSH) equipped with a facepiece, hood, or helmet, breathing tube, 
canister, cartridge, filter, canister with filter, or cartridge with 
filter, and a blower.
    Production activities. Activities that generate coal dust or 
methane gas including but not limited to cutting, drilling, blasting, 
transporting, cleaning, loading, and unloading.
    Specified underground area. An underground area located in or inby 
the last open crosscut, in the return air outby the last open crosscut, 
or within 150 feet of the pillar workings or longwall faces.


Sec.  75.532  Non-permissible PAPRs: Approval and certification 
requirements.

    (a) PAPRs which are not MSHA-approved and taken into specified 
underground areas must meet the following conditions:
    (1) Non-permissible PAPRs, including batteries when assembled for 
use must be approved by the National Institute for Occupational Safety 
and Health (NIOSH) under 42 CFR part 84.
    (2) Non-permissible PAPRs must be certified to the ANSI/UL 60079-11 
standard listed in this section by a Nationally Recognized Testing 
Laboratory (NRTL) in accordance with 29 CFR 1910.7. Certification 
allows the manufacturer to mark the device as ``Ex ia I'', meaning that 
the unit is certified to be used in hazardous locations (``Ex''), has 
met the most onerous level of intrinsic safety protection (``ia''), the 
Equipment Protection Level (``very high''), and is acceptable for use 
in mines susceptible to firedamp (``I'').
    (b) The material listed in this paragraph (b) is incorporated by 
reference into this section with the approval of the Director of the 
Federal Register under 5 U.S.C. 552(a) and 1 CFR part 51. All approved 
incorporation by Reference (IBR) material is available for inspection 
at the U.S. Department of Labor, Mine Safety and Health Administration 
(MSHA) and at the National Archives and Records Administration (NARA). 
Contact MSHA at 200 Constitution Avenue NW, Washington, DC 20210. For 
information on the availability of this material at NARA, visit 
<a href="http://www.archives.gov/federal-register/cfr/ibr-locations">www.archives.gov/federal-register/cfr/ibr-locations</a> or email 
<a href="/cdn-cgi/l/email-protection#b9dfcb97d0d7cac9dcdacdd0d6d7f9d7d8cbd897ded6cf"><span class="__cf_email__" data-cfemail="fb9d89d59295888b9e988f929495bb959a899ad59c948d">[email&#160;protected]</span></a>. The material may be obtained from the following 
sources in this paragraph (b).
    (1) International Society of Automation (ISA), 67 T.W. Alexander 
Drive, P.O. Box 12277, Research Triangle Park, NC 27709; phone: (919) 
549-8411; website: <a href="http://www.isa.org">www.isa.org</a>.
    (i) ANSI/ISA 60079-11 (12.02.01)-2014, American National Standard 
for Explosive Atmospheres--Part 11: Equipment protection by intrinsic 
safety ``i'', Edition 6.2, Approved March 28, 2014.
    (ii) ANSI/ISA 60079-25 (12.02.05)-2011, American National Standard 
for Explosive Atmospheres--Part 25: Intrinsically safe electrical 
systems, Approved December 2, 2011.
    (2) UL Solutions. Comm 2000. 151 Eastern Avenue, Bensenville, IL 
60106; phone: (888) 853-3503; website: <a href="http://www.ul.com">www.ul.com</a>.
    (i) ANSI/UL 60079-0, Standard for Safety for Explosive 
Atmospheres--Part 0: Equipment--General Requirements, Seventh Edition, 
Dated March 26, 2019, including revisions through April 15, 2020 (ANSI/
UL 60079-0).
    (ii) ANSI/UL 60079-1, Standard for Safety for Explosive 
Atmospheres--Part 1: Equipment Protection by Flameproof Enclosures 
``d'', Seventh Edition, Dated

[[Page 28417]]

September 18, 2015, including revisions through January 23, 2020 (ANSI/
UL 60079-1).
    (iii) ANSI/UL 60079-11, Standard for Safety for Explosive 
Atmospheres--Part 11: Equipment Protection by Intrinsic Safety ``i'', 
Sixth Edition, Dated February 15, 2013, including revisions through 
September 14, 2018 (ANSI/UL 60079-11).
    (iv) ANSI/UL 60079-18, Standard for Safety for Explosive 
Atmospheres--Part 18: Equipment Protection by Encapsulation ``m'', 
Fourth Edition, Dated December 14, 2015, including revisions through 
February 7, 2019 (ANSI/UL 60079-18).
    (v) ANSI/UL 60079-25, Standard for Safety for Explosive 
Atmospheres--Part 25: Intrinsically Safe Electrical Systems, Second 
Edition, Dated December 2, 2011, including revisions through June 12, 
2020 (ANSI/UL 60079-25).
    (vi) ANSI/UL 60079-28, Standard for Safety for Explosive 
Atmospheres--Part 28: Protection of Equipment and Transmission Systems 
Using Optical Radiation, Second Edition, Dated September 15, 2017, 
including revisions through December 7, 2021 (ANSI/UL 60079-28).

    Note 1 to Sec.  75.532:  The voluntary consensus standards 
listed in this section may also be obtained from the American 
National Standards Institute (ANSI), 1899 L Street NW, 11th Floor, 
Washington, DC 20036; phone: (202) 293-8020; website: <a href="http://www.ansi.org">www.ansi.org</a>.

Sec.  75.533  Non-permissible PAPRs: Requirements before use.

    (a) Prior to being taken into specified underground areas, each 
non-permissible PAPR shall be:
    (1) Physically examined by a qualified person as defined in Sec.  
75.153.
    (i) The examination shall include the battery pack, and all 
associated wiring and connections to determine if there are any 
observable defects or damage that could negatively impact intrinsic 
safety.
    (ii) If any defect or damage is found, the non-permissible PAPR 
shall be removed from service.
    (2) Examined by the user in accordance with the manufacturer's 
instructions to ensure the equipment is used according to the 
manufacturer's recommendations and maintained in a safe operating 
condition.
    (b) The examination under (a)(1) and (a)(2) shall include:
    (1) Checking the equipment for any physical damage and the 
integrity of the case;
    (2) Removing the battery (if removable/accessible) and examining 
for corrosion;
    (3) Inspecting the contact points to ensure a secure connection to 
the battery (if removable/accessible);
    (4) Reinserting the battery (if removable/accessible) and powering 
up and shutting down to ensure proper connections;
    (5) Checking the battery compartment cover or battery attachment 
(if removable/accessible) to ensure that it is securely fastened, and 
for ingress of dust or moisture; and
    (6) For equipment utilizing lithium type cells, ensuring that 
lithium cells and/or packs are not damaged or swollen.


Sec.  75.534  Non-permissible PAPRs: Continuous monitoring during 
operation.

    (a) Prior to energizing the non-permissible PAPR in the specified 
underground areas, methane tests must be made in accordance with Sec.  
75.323(a).
    (b) A qualified person shall continuously monitor for methane 
immediately before and while non-permissible PAPRs are present in the 
specified underground area.
    (c) All hand-held methane detectors shall be MSHA-approved and 
maintained in permissible and proper operating condition.
    (d) All methane detectors must provide visual and audible warnings 
when methane is detected in concentrations at or above 1.0 percent.
    (e) When 1.0 percent or more methane is detected while the non-
permissible PAPR is being used in the specified underground areas, the 
equipment shall be de-energized immediately and withdrawn from the area 
to outby the last open crosscut, out of the return air outby the last 
open crosscut, or more than 150 feet from pillar workings or longwall 
faces.


Sec.  75.535  Non-permissible PAPRs: Requirements for batteries.

    (a) Before each shift, all batteries for the non-permissible PAPRs 
must be charged sufficiently to function the entire shift.
    (b) Replacement batteries for non-permissible PAPRs must not be 
taken into the specified underground areas.
    (c) Batteries contained in the non-permissible PAPRs must be 
changed out in intake air outside of the specified underground areas.
    (d) No batteries may be charged underground.
    (e) The following maintenance and use conditions must apply to 
equipment containing lithium-type batteries:
    (1) Neither the battery pack nor the power unit may be disassembled 
or modified by anyone other than permitted by the equipment 
manufacturer.
    (2) The battery must only be charged using the manufacturer's 
recommended battery charger.
    (3) Neither the battery pack nor the power unit, which contain the 
internal battery, shall be exposed to water, allowed to get wet, or 
immersed in liquid. This does not preclude incidental exposure of the 
battery pack nor the power unit assembly.
    (4) The non-permissible PAPR, including the internal battery, must 
not be used, charged, or stored in locations where the manufacturer's 
recommended temperature limits are exceeded. The non-permissible PAPR 
must not be placed in direct sunlight nor stored near a source of heat.
    (f) Follow the manufacturer's recommendations and instructions. 
Check and monitor each non-permissible PAPR's run time.
    (1) Routinely check the battery's charge status according to the 
manufacturer's recommendation.
    (2) Remove the battery from service when the battery fails to meet 
the manufacturer's specifications, including, but not limited to, run 
time, temperature, and charging time.
    (g) Follow the storage instructions as recommended by the 
manufacturer. If the instructions are not followed for a battery stored 
or otherwise unused for an extended period or the battery has no charge 
remaining, consider it to be damaged and do not recharge it or use it. 
Remove it from service and replace it with a new battery.


Sec.  75.536  Non-permissible PAPRs: Maintenance and examination.

    (a) All non-permissible PAPRs must be maintained to ensure safe 
operating condition. When a potentially dangerous condition is found 
with the equipment, such equipment must be immediately withdrawn from 
the specified underground areas, taken out of service, and must be 
repaired before returning to service.
    (b) As specified under Sec.  75.533, non-permissible PAPRs must be 
examined according to the manufacturer's instructions to ensure safe 
operating condition.
    (c) The mine operator must ensure that all non-permissible PAPRs 
are serviced according to the manufacturer's recommendations.


Sec.  75.537  Non-permissible PAPRs: Training.

    (a) Miners who will use non-permissible PAPRs must be trained on 
the requirements in Sec. Sec.  75.531 through 75.537 before the non-
permissible PAPRs can be used.
    (b) Mine operators must train new miners under Sec.  48.5, train 
experienced

[[Page 28418]]

miners under Sec.  48.6, and train miners assigned new work tasks under 
Sec.  48.7, on the requirements in Sec. Sec.  75.531 through 75.537. 
The training must include hazard recognition specific to the mine.
    (c) Mine operators must provide annual retraining to all miners who 
may use non-permissible PAPRs under Sec.  48.8.
    (d) Mine operators must include the following in their training:
    (1) The proper use and maintenance of the non-permissible PAPRs, in 
accordance with established manufacturer guidelines.
    (2) How to recognize the hazards and limitations associated with 
the use of non-permissible PAPRs in the areas where methane could be 
present.
    (3) That the PAPR is not approved under 30 CFR part 18 and must be 
de-energized when 1.0 or more percent methane is detected.
    (4) The proper procedures to safely de-energize the non-permissible 
PAPR.
    (5) How to examine the non-permissible PAPR before use to identify 
any damage that could negatively impact intrinsic safety, or any of the 
stipulations in Sec. Sec.  75.531 through 75.537.
    (6) How to recognize non-permissible PAPR filter replacement 
indicators.
    (7) How to change filters when indicated.
    (8) How to properly position their Proximity Detection System's 
(PDS) miner wearable component (MWC) at least six inches from their 
non-permissible PAPR's battery/motor blower or battery/power unit to 
prevent interference.
    (9) The proper procedures for donning Self-Contained Self Rescuers 
(SCSRs) during a mine emergency while wearing the non-permissible PAPR.
    (e) Records of training required under this part must comply with 
part 48.
    (f) Mine operators must provide such records to MSHA upon request.

James P. McHugh,
Deputy Assistant Secretary for Policy, Mine Safety and Health 
Administration.
[FR Doc. 2025-11743 Filed 6-30-25; 8:45 am]
BILLING CODE 4520-43-P


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This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.