Refrigerant Concentrations Under System Refrigerant Leakage
Conditions. SAE International. (Revised September 2019).
SAE, 2020. Standard J639: Safety and Design Standards for Motor
Vehicle Refrigerant Vapor Compression Systems. (Revised November
2020).
SAE, 2021. Standard J1739: Potential Failure Mode and Effects
Analysis (FMEA) Including Design FMEA, Supplemental FMEA-MSR, and
Process FMEA. (Revised January 2021).
Wagner, J., 2021. Email from John Wagner, Association of Equipment
Manufacturers to Chenise Farquharson, EPA.

List of Subjects in 40 CFR Part 82

    Environmental protection, Administrative practice and procedure,
Air pollution control, Incorporation by reference, Recycling, Reporting
and recordkeeping requirements, Stratospheric ozone layer, Motor
vehicle air conditioning.

Michael S. Regan,
Administrator.

    For the reasons set forth in the preamble, EPA amends 40 CFR part
82 as follows:

PART 82--PROTECTION OF STRATOSPHERIC OZONE

0
1. The authority citation for part 82 continues to read as follows:

    Authority:  42 U.S.C. 7414, 7601, 7671-7671q.

Subpart G--Significant New Alternatives Policy Program

0
2. Appendix B to subpart G of part 82 is amended by
0
a. In the table titled ``Refrigerants--Acceptable Subject to Use
Conditions'',
0
i. Revising the entries for ``CFC-12 Automobile Motor Vehicle Air
Conditioning (New equipment in passenger cars and light-duty trucks
only)'', ``Motor vehicle air conditioning (newly manufactured medium-
duty passenger vehicles)'', ``Motor vehicle air conditioning (newly
manufactured heavy-duty pickup trucks)'', and ``Motor vehicle air
conditioning (newly manufactured complete heavy-duty vans only)''; and
0
ii. Adding entries, in the following order at the end of the table, for
``Motor vehicle air conditioning (newly manufactured nonroad
agricultural tractors with greater than 40 horsepower)'', ``Motor
vehicle air conditioning (newly manufactured nonroad self-propelled
agricultural machinery)'', ``Motor vehicle air conditioning (newly
manufactured nonroad compact equipment)'', ``Motor vehicle air
conditioning (newly manufactured nonroad construction, forestry, and
mining equipment)'', and ``Motor vehicle air conditioning (newly
manufactured nonroad commercial utility vehicles)''; and
0
b. Removing ``Note 1''.
    The revisions and additions read as follows:

    Appendix B to Subpart G of Part 82--Substitutes Subject to Use Restrictions and Unacceptable Substitutes
                               Refrigerants--Acceptable Subject to Use Conditions
----------------------------------------------------------------------------------------------------------------
          Application              Substitute         Decision            Conditions              Comments
----------------------------------------------------------------------------------------------------------------

                                                  * * * * * * *
CFC-12 Automobile Motor         HFO[hyphen]1234y  Acceptable        As of June 3, 2022:..  Additional training
 Vehicle Air Conditioning (New   f as a            subject to use   (1) HFO[hyphen]1234yf   for service
 equipment in passenger cars     substitute for    conditions.       MVAC systems must      technicians
 and light-duty trucks only).    CFC-12.                             adhere to all of the   recommended.
                                                                     safety requirements   HFO[hyphen]1234yf is
                                                                     of SAE J639,4 7        also known as
                                                                     including              2,3,3,3-tetrafluoro-
                                                                     requirements for a     prop-1-ene (CAS.
                                                                     flammable              Reg. No. 754-12-1).
                                                                     refrigerant warning   Consistent with EPA's
                                                                     label, high-pressure   Significant New Use
                                                                     compressor cutoff      Rule for
                                                                     switch and pressure    HFO[hyphen]1234yf
                                                                     relief devices, and    under the Toxic
                                                                     unique fittings. For   Substances Control
                                                                     connections with       Act, commercial
                                                                     refrigerant            users or consumers
                                                                     containers for use     can only recharge
                                                                     in professional        MVAC systems with
                                                                     servicing, use         HFO[hyphen]1234yf
                                                                     fittings must be       where the original
                                                                     consistent with SAE    charging of the
                                                                     J2844.6 7 For          system with
                                                                     connections with       HFO[hyphen]1234yf
                                                                     small refrigerant      was done by the
                                                                     cans for consumer or   original equipment
                                                                     professional use,      manufacturer.
                                                                     use fittings must     Refrigerant
                                                                     have a diameter of     containers of
                                                                     0.5 inches, a thread   HFO[hyphen]1234yf
                                                                     pitch of 16 thread     for use in
                                                                     per inch, and a left   professional
                                                                     thread direction,      servicing are from 5
                                                                     consistent with SAE    lbs. (2.3 L) to 50
                                                                     J2844..                lbs. (23 L) in size.
                                                                    (2) Manufacturers      Requirements for
                                                                     must conduct Failure   handling, storage,
                                                                     Mode and Effect        and transportation
                                                                     Analysis (FMEA) as     of compressed gases
                                                                     provided in SAE        apply to this
                                                                     J1739.5 7              refrigerant, such as
                                                                     Manufacturers must     regulations of the
                                                                     keep the FMEA on       Occupational Safety
                                                                     file for at least      and Health
                                                                     three years from the   Administration at 29
                                                                     date of creation.      CFR 1910.101 and the
                                                                                Department of
                                                                                Transportation's
                                                                                requirements at 49
                                                                                CFR 171-179.
                                                                                Requirements for
                                                                                handling, storage,
                                                                                and transportation
                                                                                of compressed gases
                                                                                apply to this
                                                                                refrigerant, such as
                                                                                regulations of the
                                                                                Occupational Safety
                                                                                and Health
                                                                                Administration at 29
                                                                                CFR 1910.101 and the
                                                                                Department of
                                                                                Transportation's
                                                                                requirements at 49
                                                                                CFR 171-179.

                                                  * * * * * * *
Motor vehicle air conditioning  HFO[hyphen]1234y  Acceptable        As of June 3, 2022:    Additional training
 (newly manufactured medium-     f.                subject to use   (1) HFO[hyphen]1234yf   for service
 duty passenger vehicles).                         conditions.       MVAC systems must      technicians
                                                                     adhere to all of the   recommended.
                                                                     safety requirements   HFO[hyphen]1234yf is
                                                                     of SAE J639,4 7        also known as
                                                                     including              2,3,3,3-tetrafluoro-
                                                                     requirements for a     prop-1-ene (CAS.
                                                                     flammable              Reg. No. 754-12-1).
                                                                     refrigerant warning   Consistent with EPA's
                                                                     label, high-pressure   Significant New Use
                                                                     compressor cutoff      Rule for
                                                                     switch and pressure    HFO[hyphen]1234yf
                                                                     relief devices, and    under the Toxic
                                                                     unique fittings. For   Substances Control
                                                                     connections with       Act, commercial
                                                                     refrigerant            users or consumers
                                                                     containers for use     can only recharge
                                                                     in professional        MVAC systems with
                                                                     servicing, use         HFO[hyphen]1234yf
                                                                     fittings must be       where the original
                                                                     consistent with SAE    charging of the
                                                                     J2844.6 7 For          system with
                                                                     connections with       HFO[hyphen]1234yf
                                                                     small refrigerant      was done by the
                                                                     cans for consumer or   original equipment
                                                                     professional use,      manufacturer.
                                                                     use fittings must
                                                                     have a diameter of
                                                                     0.5 inches, a thread
                                                                     pitch of 16 thread
                                                                     per inch, and a left
                                                                     thread direction,
                                                                     consistent with SAE
                                                                     J2844.
                                                                    (2) Manufacturers
                                                                     must conduct Failure
                                                                     Mode and Effect
                                                                     Analysis (FMEA) as
                                                                     provided in SAE
                                                                     J1739.5 7
                                                                     Manufacturers must
                                                                     keep the FMEA on
                                                                     file for at least
                                                                     three years from the
                                                                     date of creation.
Motor vehicle air conditioning  HFO[hyphen]1234y  Acceptable        As of June 3, 2022:    Additional training
 (newly manufactured heavy-      f.                subject to use   (1) HFO[hyphen]1234yf   for service
 duty pickup trucks).                              conditions.       MVAC systems must      technicians
                                                                     adhere to all of the   recommended.
                                                                     safety requirements   HFO[hyphen]1234yf is
                                                                     of SAE J639,4 7        also known as
                                                                     including              2,3,3,3-tetrafluoro-
                                                                     requirements for a     prop-1-ene (CAS No.
                                                                     flammable              754-12-1).
                                                                     refrigerant warning   Consistent with EPA's
                                                                     label, high-pressure   Significant New Use
                                                                     compressor cutoff      Rule for
                                                                     switch and pressure    HFO[hyphen]1234yf
                                                                     relief devices, and    under the Toxic
                                                                     unique fittings. For   Substances Control
                                                                     connections with       Act, commercial
                                                                     refrigerant            users or consumers
                                                                     containers for use     can only recharge
                                                                     in professional        MVAC systems with
                                                                     servicing, use         HFO[hyphen]1234yf
                                                                     fittings must be       where the original
                                                                     consistent with SAE    charging of the
                                                                     J2844.6 7 For          system with
                                                                     connections with       HFO[hyphen]1234yf
                                                                     small refrigerant      was done by the
                                                                     cans for consumer or   original equipment
                                                                     professional use,      manufacturer.
                                                                     use fittings must
                                                                     have a diameter of
                                                                     0.5 inches, a thread
                                                                     pitch of 16 thread
                                                                     per inch, and a left
                                                                     thread direction,
                                                                     consistent with SAE
                                                                     J2844.
                                                                    (2) Manufacturers
                                                                     must conduct Failure
                                                                     Mode and Effect
                                                                     Analysis (FMEA) as
                                                                     provided in SAE
                                                                     J1739.5 7
                                                                     Manufacturers must
                                                                     keep the FMEA on
                                                                     file for at least
                                                                     three years from the
                                                                     date of creation.

Motor vehicle air conditioning  HFO[hyphen]1234y  Acceptable        As of June 3, 2022:    Additional training
 (newly manufactured complete    f.                subject to use   (1) HFO[hyphen]1234yf   for service
 heavy-duty vans only).                            conditions.       MVAC systems must      technicians
                                                                     adhere to all of the   recommended.
                                                                     safety requirements   HFO[hyphen]1234yf is
                                                                     of SAE J639,4 7        also known as
                                                                     including              2,3,3,3-tetrafluoro-
                                                                     requirements for a     prop-1-ene (CAS No.
                                                                     flammable              754-12-1).
                                                                     refrigerant warning   HFO[hyphen]1234yf is
                                                                     label, high-pressure   acceptable for
                                                                     compressor cutoff      complete heavy-duty
                                                                     switch and pressure    vans. Complete heavy-
                                                                     relief devices, and    duty vans are not
                                                                     unique fittings. For   altered by a
                                                                     connections with       secondary or
                                                                     refrigerant            tertiary
                                                                     containers for use     manufacturer.
                                                                     in professional       Consistent with EPA's
                                                                     servicing, use         Significant New Use
                                                                     fittings must be       Rule for
                                                                     consistent with SAE    HFO[hyphen]1234yf
                                                                     J2844.6 7 For          under the Toxic
                                                                     connections with       Substances Control
                                                                     small refrigerant      Act, commercial
                                                                     cans for consumer or   users or consumers
                                                                     professional use,      can only recharge
                                                                     use fittings must      MVAC systems with
                                                                     have a diameter of     HFO[hyphen]1234yf
                                                                     0.5 inches, a thread   where the original
                                                                     pitch of 16 thread     charging of the
                                                                     per inch, and a left   system with
                                                                     thread direction,      HFO[hyphen]1234yf
                                                                     consistent with SAE    was done by the
                                                                     J2844.                 original equipment
                                                                    (2) Manufacturers       manufacturer.
                                                                     must conduct Failure
                                                                     Mode and Effect
                                                                     Analysis (FMEA) as
                                                                     provided in SAE
                                                                     J1739.5 7
                                                                     Manufacturers must
                                                                     keep the FMEA on
                                                                     file for at least
                                                                     three years from the
                                                                     date of creation.
Motor vehicle air conditioning  HFO[hyphen]1234y  Acceptable        As of June 3, 2022:    Additional training
 (newly manufactured nonroad     f.                subject to use   (1) Systems must        for service
 agricultural tractors with                        conditions.       adhere to all of the   technicians
 greater than 40 horsepower).                                        safety requirements    recommended.
                                                                     of SAE J639,4 7       HFO[hyphen]1234yf is
                                                                     including              also known as
                                                                     requirements for a     2,3,3,3-tetrafluoro-
                                                                     flammable              prop-1-ene (CAS No.
                                                                     refrigerant warning    754-12-1).
                                                                     label, high-pressure  Consistent with EPA's
                                                                     compressor cutoff      Significant New Use
                                                                     switch and pressure    Rule for
                                                                     relief devices, and    HFO[hyphen]1234yf
                                                                     unique fittings. For   under the Toxic
                                                                     connections with       Substances Control
                                                                     refrigerant            Act, commercial
                                                                     containers for use     users or consumers
                                                                     in professional        can only recharge
                                                                     servicing, use         MVAC systems with
                                                                     fittings must be       HFO[hyphen]1234yf
                                                                     consistent with SAE    where the original
                                                                     J2844.6 7 For          charging of the
                                                                     connections with       system with
                                                                     small refrigerant      HFO[hyphen]1234yf
                                                                     cans for consumer or   was done by the
                                                                     professional use,      original equipment
                                                                     use fittings must      manufacturer.
                                                                     have a diameter of
                                                                     0.5 inches, a thread
                                                                     pitch of 16 thread
                                                                     per inch, and a left
                                                                     thread direction,
                                                                     consistent with SAE
                                                                     J2844.
                                                                    (2) Manufacturers
                                                                     must conduct Failure
                                                                     Mode and Effect
                                                                     Analysis (FMEA) as
                                                                     provided in SAE
                                                                     J1739.5 7
                                                                     Manufacturers must
                                                                     keep the FMEA on
                                                                     file for at least
                                                                     three years from the
                                                                     date of creation.
Motor vehicle air conditioning  HFO[hyphen]1234y  Acceptable        As of June 3, 2022:    Additional training
 (newly manufactured nonroad     f.                subject to use   (1) HFO[hyphen]1234yf   for service
 self-propelled agricultural                       conditions.       MVAC systems must      technicians
 machinery).                                                         adhere to all of the   recommended.
                                                                     safety requirements   HFO[hyphen]1234yf is
                                                                     of SAE J639,4 7        also known as
                                                                     including              2,3,3,3-tetrafluoro-
                                                                     requirements for a     prop-1-ene (CAS No.
                                                                     flammable              754-12-1).
                                                                     refrigerant warning   Consistent with EPA's
                                                                     label, high-pressure   Significant New Use
                                                                     compressor cutoff      Rule for
                                                                     switch and pressure    HFO[hyphen]1234yf
                                                                     relief devices, and    under the Toxic
                                                                     unique fittings. For   Substances Control
                                                                     connections with       Act commercial users
                                                                     refrigerant            or consumers can
                                                                     containers for use     only recharge MVAC
                                                                     in professional        systems with
                                                                     servicing, use         HFO[hyphen]1234yf
                                                                     fittings must be       where the original
                                                                     consistent with SAE    charging of the
                                                                     J28446 7 For           system with
                                                                     connections with       HFO[hyphen]1234yf
                                                                     small refrigerant      was done by the
                                                                     cans for consumer or   original equipment
                                                                     professional use,      manufacturer.
                                                                     use fittings must
                                                                     have a diameter of
                                                                     0.5 inches, a thread
                                                                     pitch of 16 thread
                                                                     per inch, and a left
                                                                     thread direction,
                                                                     consistent with SAE
                                                                     J2844.
                                                                    (2) Manufacturers
                                                                     must conduct Failure
                                                                     Mode and Effect
                                                                     Analysis (FMEA) as
                                                                     provided in SAE
                                                                     J1739.5 7
                                                                     Manufacturers must
                                                                     keep the FMEA on
                                                                     file for at least
                                                                     three years from the
                                                                     date of creation.

Motor vehicle air conditioning  HFO[hyphen]1234y  Acceptable        As of June 3, 2022:    Additional training
 (newly manufactured nonroad     f.                subject to use   (1) HFO[hyphen]1234yf   for service
 compact equipment).                               conditions.       MVAC systems must      technicians
                                                                     adhere to all of the   recommended.
                                                                     safety requirements   HFO[hyphen]1234yf is
                                                                     of SAE J639,4 7        also known as
                                                                     including              2,3,3,3-tetrafluoro-
                                                                     requirements for a     prop-1-ene (CAS No.
                                                                     flammable              754-12-1).
                                                                     refrigerant warning   Consistent with EPA's
                                                                     label, high-pressure   Significant New Use
                                                                     compressor cutoff      Rule for
                                                                     switch and pressure    HFO[hyphen]1234yf
                                                                     relief devices, and    under the Toxic
                                                                     unique fittings. For   Substances Control
                                                                     connections with       Act (80 FR 37166,
                                                                     refrigerant            June 30, 2015),
                                                                     containers for use     commercial users or
                                                                     in professional        consumers can only
                                                                     servicing, use         recharge MVAC
                                                                     fittings must be       systems with
                                                                     consistent with SAE    HFO[hyphen]1234yf
                                                                     J2844.6 7 For          where the original
                                                                     connections with       charging of the
                                                                     small refrigerant      system with
                                                                     cans for consumer or   HFO[hyphen]1234yf
                                                                     professional use,      was done by the
                                                                     use fittings must      original equipment
                                                                     have a diameter of     manufacturer.
                                                                     0.5 inches, a thread
                                                                     pitch of 16 thread
                                                                     per inch, and a left
                                                                     thread direction,
                                                                     consistent with SAE
                                                                     J2844).
                                                                    (2) Manufacturers
                                                                     must conduct Failure
                                                                     Mode and Effect
                                                                     Analysis (FMEA) as
                                                                     provided in SAE
                                                                     J1739.5 7
                                                                     Manufacturers must
                                                                     keep the FMEA on
                                                                     file for at least
                                                                     three years from the
                                                                     date of creation.
Motor vehicle air conditioning  HFO[hyphen]1234y  Acceptable        As of June 3, 2022:    Additional training
 (newly manufactured nonroad     f.                subject to use   (1) HFO[hyphen]1234yf   for service
 construction, forestry, and                       conditions.       MVAC systems must      technicians
 mining equipment).                                                  adhere to all of the   recommended.
                                                                     safety requirements   HFO[hyphen]1234yf is
                                                                     of SAE J639,4 7        also known as
                                                                     including              2,3,3,3-tetrafluoro-
                                                                     requirements for a     prop-1-ene (CAS No.
                                                                     flammable              754-12-1).
                                                                     refrigerant warning   Consistent with EPA's
                                                                     label, high-pressure   Significant New Use
                                                                     compressor cutoff      Rule for
                                                                     switch and pressure    HFO[hyphen]1234yf
                                                                     relief devices, and    under the Toxic
                                                                     unique fittings. For   Substances Control
                                                                     connections with       Act, commercial
                                                                     refrigerant            users or consumers
                                                                     containers for use     can only recharge
                                                                     in professional        MVAC systems with
                                                                     servicing, use         HFO[hyphen]1234yf
                                                                     fittings must be       where the original
                                                                     consistent with SAE    charging of the
                                                                     J2844.6 7 For          system with
                                                                     connections with       HFO[hyphen]1234yf
                                                                     small refrigerant      was done by the
                                                                     cans for consumer or   original equipment
                                                                     professional use,      manufacturer.
                                                                     use fittings must
                                                                     have a diameter of
                                                                     0.5 inches, a thread
                                                                     pitch of 16 thread
                                                                     per inch, and a left
                                                                     thread direction,
                                                                     consistent with SAE
                                                                     J2844.
                                                                    (2) Manufacturers
                                                                     must conduct Failure
                                                                     Mode and Effect
                                                                     Analysis (FMEA) as
                                                                     provided in SAE
                                                                     J1739.5 7
                                                                     Manufacturers must
                                                                     keep the FMEA on
                                                                     file for at least
                                                                     three years from the
                                                                     date of creation.
Motor vehicle air conditioning  HFO[hyphen]1234y  Acceptable        As of June 3, 2022:    Additional training
 (newly manufactured nonroad     f.                subject to use   (1) HFO[hyphen]1234yf   for service
 commercial utility vehicles).                     conditions.       MVAC systems must      technicians
                                                                     adhere to all of the   recommended.
                                                                     safety requirements   HFO[hyphen]1234yf is
                                                                     of SAE J639,4 7        also known as
                                                                     including              2,3,3,3-tetrafluoro-
                                                                     requirements for a     prop-1-ene (CAS No.
                                                                     flammable              754-12-1).
                                                                     refrigerant warning   Consistent with EPA's
                                                                     label, high-pressure   Significant New Use
                                                                     compressor cutoff      Rule for
                                                                     switch and pressure    HFO[hyphen]1234yf
                                                                     relief devices, and    under the Toxic
                                                                     unique fittings. For   Substances Control
                                                                     connections with       Act, commercial
                                                                     refrigerant            users or consumers
                                                                     containers for use     can only recharge
                                                                     in professional        MVAC systems with
                                                                     servicing, use         HFO[hyphen]1234yf
                                                                     fittings must be       where the original
                                                                     consistent with SAE    charging of the
                                                                     J2844.6 7 For          system with
                                                                     connections with       HFO[hyphen]1234yf
                                                                     small refrigerant      was done by the
                                                                     cans for consumer or   original equipment
                                                                     professional use,      manufacturer.
                                                                     use fittings must
                                                                     have a diameter of
                                                                     0.5 inches, a thread
                                                                     pitch of 16 thread
                                                                     per inch, and a left
                                                                     thread direction,
                                                                     consistent with SAE
                                                                     J2844.
                                                                    (2) Manufacturers
                                                                     must conduct Failure
                                                                     Mode and Effect
                                                                     Analysis (FMEA) as
                                                                     provided in SAE
                                                                     J1739.5 7
                                                                     Manufacturers must
                                                                     keep the FMEA on
                                                                     file for at least
                                                                     three years from the
                                                                     date of creation.
----------------------------------------------------------------------------------------------------------------
\4\ SAE, J639 NOV2020, Safety and Design Standards for Motor Vehicle Refrigerant Vapor Compression Systems,
  Revised November 2020.
\5\ SAE, J1739 JAN2021, Potential Failure Mode and Effects Analysis (FMEA) Including Design FMEA, Supplemental
  FMEA-MSR, and Process FMEA, Revised January 2021.
\6\ SAE, J2844 JAN2013, R-1234yf (HFO[hyphen]1234yf) New Refrigerant Purity and Container Requirements for Use
  in Mobile Air-Conditioning Systems, Revised January 2013.
\7\ The Director of the Federal Register approves this incorporation by reference in accordance with 5 U.S.C.
  552(a) and 1 CFR part 51. It is available for inspection at the EPA and at the National Archives and Records
  Administration (NARA). Contact EPA at: U.S. EPA's Air and Radiation Docket; EPA West Building, Room 3334, 1301
  Constitution Ave. NW, Washington DC,<PHONE_NUMBER>. For information on the availability of this material at
  NARA, email [email protected], or go to: www.archives.gov/federal-register/cfr/ibr-locations.html.
  Available from SAE International (SAE): SAE Customer Service, 400 Commonwealth Drive, Warrendale, PA 15096-
  0001; 1-877-606-7323 in the United States or<PHONE_NUMBER> outside the United States or in Canada; website:
  https://www.sae.org/standards.

* * * * *

[FR Doc. 2022-08923 Filed 5-3-22; 8:45 am]
BILLING CODE 6560-50-P