ICF, 2014b. Risk Screen on Substitutes for HCFC-22 in Residential
and Light Commercial Air Conditioning and Heat Pumps; Substitute:
Propane (R-290).

ICF, 2014c. Risk Screen on Substitutes for HCFC-22 in Residential
and Light Commercial Air Conditioning and Heat Pumps; Substitute: R-
441A.
ICF, 2015. Market Characterization of the U.S. Motor Vehicle Air
Conditioning Industry, U.S. Foams Industry, U.S. Aerosols Industry,
and U.S. Commercial Refrigeration Industry. July, 2015.
ICF, 2016a. Preliminary Cost Analysis for Regulatory Changes to the
Listing Status of High-GWP Alternatives used in Refrigeration and
Air Conditioning, Foams, and Fire Suppression. February, 2016.
ICF, 2016b. Economic Impact Screening Analysis for Regulatory
Changes to the Listing Status of High-GWP Alternatives used in
Refrigeration and Air Conditioning, Foams, and Fire Suppression.
February, 2016.
ICF, 2016c. Significant New Alternatives Policy Program:
Refrigeration and Air Conditioning Sector Risk Screen on Substitutes
in Water Coolers Substitute: Propane (R-290).
ICF, 2016d. Significant New Alternatives Policy Program:
Refrigeration and Air Conditioning Sector Risk Screen on Substitutes
in Very Low Temperature Refrigeration Substitute: Propane (R-290)
and Ethane (R-170).
ICF, 2016e. Significant New Alternatives Policy Program:
Refrigeration and Air Conditioning Sector Risk Screen on Substitutes
in Commercial Ice Machines Substitute: Propane (R-290).
ICF, 2016f. Significant New Alternatives Policy Program.
Refrigeration and Air Conditioning Sector Risk Screen on Substitutes
in Residential and Light Commercial Air Conditioning and Heat Pumps.
Substitute: R-443A.
ICF, 2016g. Significant New Alternatives Policy Program.
Refrigeration and Air Conditioning Sector Risk Screen on Substitutes
in Chillers and Cold Storage Warehouses. Substitute: Propylene (R-
1270).
ICF, 2016h. Market Characterization for Fire Suppression, Comfort
Cooling, Cold Storage, Refrigerated Food Processing and Dispensing
Equipment, and Household Refrigeration Industries in the United
States. Prepared for the U.S. Environmental Protection Agency.
February, 2016.
ICF, 2016i. Technical Support Document for Acceptability Listing of
HFO-1234yf for Motor Vehicle Air Conditioning in Limited Heavy-Duty
Applications.
ICF, 2016j. Analysis of annual VOC emissions from the use of 2-BTP.
ICF, 2016k. Significant New Alternatives Policy Program. Fire
Extinguishing and Explosion Prevention Sector. Risk Screen on
Substitutes as a Streaming Agent in Civil Aviation Applications.
Substitute: 2-bromo-3,3,3-trifluoropropene (2-BTP).
ICF, 2016l. Significant New Alternatives Policy Program. Fire
Extinguishing and Explosion Prevention Sector. Risk Screen on
Substitutes for Total Flooding Systems in Unoccupied Spaces.
Substitute: 2-bromo-3,3,3-trifluoropropene (2-BTP).
INCHEM, 1996. International Programme on Chemical Safety.
Environmental Health Criteria 164. Methylene chloride, second
edition. World Health Organization, 1996. This document is
accessible online at: http://www.inchem.org/documents/ehc/ehc/ehc164.htm.
IPCC, 2007. Climate Change 2007: The Physical Science Basis.
Contribution of Working Group I to the Fourth Assessment Report of
the Intergovernmental Panel on Climate Change. Solomon, S., D. Qin,
M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M. Tignor and H.L.
Miller (eds.). Cambridge University Press, Cambridge, United Kingdom
and New York, NY, USA. This document is accessible at: www.ipcc.ch/
publications_and_data/ar4/wg1/en/contents.html.
IPCC, 2013: Annex II: Climate System Scenario Tables [Prather, M.,
G. Flato, P. Friedlingstein, C. Jones, J.-F. Lamarque, H. Liao and
P. Rasch (eds.)]. In: Climate Change 2013: The Physical Science
Basis. Contribution of Working Group I to the Fifth Assessment
Report of the Intergovernmental Panel on Climate Change [Stocker,
T.F., D. Qin, G.-K. Plattner, M. Tignor, S.K. Allen, J. Boschung, A.
Nauels, Y. Xia, V. Bex and P.M. Midgley (eds.)]. Cambridge
University Press, Cambridge, United Kingdom and New York, NY, USA.
This document is accessible at: http://www.ipcc.ch/report/ar5/wg1/.
IPCC/TEAP, 2005. Special Report: Safeguarding the Ozone Layer and
the Global Climate System: Issues Related to Hydrofluorocarbons and
Perfluorocarbons. Cambridge Univ Press, New York. This document is
accessible at: https://www.ipcc.ch/pdf/special-reports/sroc/sroc_full.pdf.
JARN, 2015a. First Carrier AquaForce Chillers using HFO-1234ze, July
30, 2015. This document is accessible at: http://www.ejarn.com/news.aspx?ID=35619.
JARN, 2015b. Trane Exhibits First Air-cooled Chiller with Climate-
friendly Refrigerant DR-55, September 21, 2015. This document is
accessible at: www.ejarn.com/news.aspx?ID=36282.
Kazil et al., 2014. Deposition and rainwater concentrations of
trifluoroacetic acid in the United States from the use of HFO-
1234yf. JGR-Atmospheres, 2014.
Luecken et al., 2009. Ozone and TFA impacts in North America from
degradation of 2, 3, 3, 3-tetrafluoropropene (HFO-1234yf), a
potential greenhouse gas replacement. Environmental Science &
Technology 2009. The document is accessible at: http://www.researchgate.net/profile/Robert_Waterland/publication/40481734_Ozone_and_TFA_impacts_in_North_America_from_degradation_of_2333-Tetrafluoropropene_(HFO-
1234yf)_a_potential_greenhouse_gas_replacement/links/
00b7d514ca9595bf5e000000.pdf.
Manitowoc, 2015. SNAP Information Notice, September, 2013. EPA SNAP
Submittal--Revision to Extend R-290 Use to Commercial Ice Machines,
Manitowoc Ice, Inc. October, 2015.
Montzka, 2012. HFCs in the Atmosphere: Concentrations, Emissions and
Impacts. ASHRAE/NIST Conference 2012. This document is accessible
at: ftp://ftp.cmdl.noaa.gov/hats/papers/montzka/2012_pubs/Montzka_ASHRAE_2012.pdf.
NRDC/IGSD, 2015. Petition for Change of Status of HFCs under Clean
Air Act Section 612 (Significant New Alternatives Policy). Submitted
October 6, 2015.
ORNL, 2015. ORNL's JUMP Challenge: JUMP in to Advance Tech
Innovation! Presented by Brian Fricke, Oak Ridge National
Laboratory. November 17, 2015.
Patten and Wuebbles, 2010. ``Atmospheric Lifetimes and Ozone
Depletion Potentials of trans-1-chloro-3,3,3-trichloropropylene and
trans-1,2-dichloroethylene in a three-dimensional model.'' Atmos.
Chem. Phys., 10, 10867-10874, 2010.
Patten et al., 2012. Correction to ``OH reaction rate constant, IR
absorption spectrum, ozone depletion potentials and global warming
potentials of 2-bromo-3,3,3-trifluoropropene,'' J. Geophys. Res.,
117, D22301, doi:10.1029/2012JD019051.
RTOC, 2015. 2014 Report of the Refrigeration, Air-Conditioning and
Heat Pumps Technical Options Committee. This document is accessible
at: http://ozone.unep.org/sites/ozone/files/documents/RTOC-Assessment-Report-2014.pdf.
SAE, 2013. SAE International Cooperative Research Project CRP1234-4
on R-1234yf Safety, Finishes Work and Presents Conclusions. This
document is accessible at: http://www.sae.org/servlets/pressRoom?OBJECT_TYPE=PressReleases&PAGE=showRelease&RELEASE_ID=2146.

Sleasman, K. and Biggs, M., 2015. Lessons learned from the Federal
Partners Workgroup on Spray Polyurethane Foam (SPF), presented at
the Center for the Polyurethanes Industry Technical Conference,
October, 2015.
TEAP, 2013. Report of the Technology and Economic Assessment Panel,
Volume 2: Decision XXIV/7 Task Force Report, Additional Information
on Alternatives to ODS. September, 2013. This document is accessible
at: http://ozone.unep.org/Assessment_Panels/TEAP/Reports/TEAP_Reports/TEAP_TaskForce%20XXIV-7-September2013.pdf.
TEAP, 2015. 2014 Assessment Report of the Technology and Economic
Assessment Panel. This document is accessible at: http://conf.montreal-protocol.org/meeting/oewg/oewg-36/presession/Background%20Documents%20are%20available%20in%20English%20only/TEAP_Assessment_report_2014.pdf.
TEAP/HTOC, 2015. 2014 Report of the Halons Technical Options
Committee (Vol. 1). This document is accessible at: http://ozone.unep.org/en/Assessment_Panels/TEAP/Reports/HTOC/HTOC%202014%20Assessment%20Report.pdf.
The White House, 2013. President's Climate Action Plan. This
document is accessible at: https://www.whitehouse.gov/sites/

default/files/image/president27sclimateactionplan.pdf.
The White House, 2015. Fact Sheet: Obama Administration and Private-
Sector Leaders Announce Ambitious Commitments and Robust Progress to
Address Potent Greenhouse Gases, October 15, 2015. Accessible at
https://www.whitehouse.gov/the-press-office/2015/10/15/fact-sheet-obama-administration-and-private-sector-leaders-announce.
Trane, 2015. Trane[supreg] Sintesis\TM\ Air-cooled Chillers. This
document is accessible at: http://www.trane.com/content/dam/Trane/Commercial/global/products-systems/equipment/chillers/air-cooled/TRANE_Sintesis_Brochure.pdf.
UL, 2004. Standard 711--Rating and Testing of Fire Extinguishers.
This document is accessible at: http://ulstandards.ul.com/standard/?id=711_7.
UL, 2005. Standard 2129--Halocarbon Clean Agent Fire Extinguishers.
This document is accessible at: http://ulstandards.ul.com/standard/?id=2129_2.
UL, 2008. Standard 399--Standard for Drinking-Water Coolers. A
summary of this document is accessible at: http://ulstandards.ul.com/standard/?id=399_7.
UL, 2009. Standard 563--Standard for Ice Makers. A summary of this
document is accessible at: http://ulstandards.ul.com/standard/?id=563.
UL, 2010. Standard 471--Standard for Commercial Refrigerators and
Freezers. A summary of this document is accessible at: http://ulstandards.ul.com/standard/?id=471_10.
UNEP, 2011. HFCs: A Critical Link in Protecting Climate and the
Ozone Layer, A UNEP Synthesis Report. November, 2011. This document
is accessible at: www.unep.org/dewa/portals/67/pdf/HFC_report.pdf.
VASA, 2014. Two injured in Perth HC refrigerant explosion. May 24,
2014. This document is accessible at: http://www.vasa.org.au/two-injured-in-perth-hc-refrigerant-explosion/.
Velders, G.J.M., D.W. Fahey, J.S. Daniel, M. McFarland, S.O.
Andersen (2009). ``The large contribution of projected HFC emissions
to future climate forcing.'' Proceedings of the National Academy of
Sciences USA 106: 10949-10954.
Wang D., Olsen S., Wuebbles D. 2011. ``Preliminary Report: Analyses
of tCFP's Potential Impact on Atmospheric Ozone.'' Department of
Atmospheric Sciences. University of Illinois, Urbana, IL. September
26, 2011.
Wickham, 2002. Status of Industry Efforts to Replace Halon Fire
Extinguishing Agents. March, 2002.
WMO, 2011. Scientific Assessment of Ozone Depletion: 2010, Global
Ozone Research and Monitoring Project. Geneva, Switzerland, 2011.
This document is accessible at: http://www.esrl.noaa.gov/csd/assessments/ozone/2010/report.html.

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.

    Dated: March 29, 2016.
Gina McCarthy,
Administrator.
    For the reasons set forth in the preamble, EPA proposes to amend 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 F--Recycling and Emissions Reduction

0
2. Amend Sec.  82.154 by adding paragraph (a)(1)(iv) to read as
follows:

Sec.  82.154  Prohibitions.

    (a) * * *
    (1) * * *
    (iv) Effective [DATE 30 DAYS AFTER PUBLICATION OF THE FINAL RULE],
propane (R-290) in self-contained commercial ice machines, very low
temperature refrigeration equipment, and water coolers.
* * * * *

Subpart G--Significant New Alternatives Policy Program

0
3. Appendix B to subpart G of part 82 is amended by adding three
entries at the end of the table titled ``Refrigerants--Acceptable
Subject to Use Conditions'' to 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
----------------------------------------------------------------------------------------------------------------

                                                  * * * * * * *
Motor vehicle air conditioning  HFO-1234yf......  Acceptable        As of [date 30 days    Additional training
 (newly manufactured medium-                       subject to use    after publication of   for service
 duty passenger vehicles).                         conditions.       final rule]:           technicians
                                                                    (1) HFO-1234yf MVAC     recommended.
                                                                     systems must adhere   HFO-1234yf is also
                                                                     to all of the safety   known as 2,3,3,3-
                                                                     requirements of SAE    tetrafluoro-prop-1-
                                                                     J639 (adopted 2011),   ene (CAS. Reg. No.
                                                                     including              754-12-1).
                                                                     requirements for a
                                                                     flammable
                                                                     refrigerant warning
                                                                     label, high-pressure
                                                                     compressor cutoff
                                                                     switch and pressure
                                                                     relief devices, and
                                                                     unique fittings. For
                                                                     connections with
                                                                     refrigerant
                                                                     containers for use
                                                                     in professional
                                                                     servicing, use
                                                                     fittings must be
                                                                     consistent with SAE
                                                                     J2844 (revised
                                                                     October 2011).
                                                                    (2) Manufacturers
                                                                     must conduct Failure
                                                                     Mode and Effect
                                                                     Analysis (FMEA) as
                                                                     provided in SAE
                                                                     J1739 (adopted
                                                                     2009). Manufacturers
                                                                     must keep the FMEA
                                                                     on file for at least
                                                                     three years from the
                                                                     date of creation.

Motor vehicle air conditioning  HFO-1234yf......  Acceptable        As of [date 30 days    Additional training
 (newly manufactured heavy-                        subject to use    after publication of   for service
 duty pickup trucks).                              conditions.       final rule]:           technicians
                                                                    (1) HFO-1234yf MVAC     recommended.
                                                                     systems must adhere   HFO-1234yf is also
                                                                     to all of the safety   known as 2,3,3,3-
                                                                     requirements of SAE    tetrafluoro-prop-1-
                                                                     J639 (adopted 2011),   ene (CAS No 754-12-
                                                                     including              1).
                                                                     requirements for a
                                                                     flammable
                                                                     refrigerant warning
                                                                     label, high-pressure
                                                                     compressor cutoff
                                                                     switch and pressure
                                                                     relief devices, and
                                                                     unique fittings. For
                                                                     connections with
                                                                     refrigerant
                                                                     containers for use
                                                                     in professional
                                                                     servicing, use
                                                                     fittings must be
                                                                     consistent with SAE
                                                                     J2844 (revised
                                                                     October 2011).
                                                                    (2) Manufacturers
                                                                     must conduct Failure
                                                                     Mode and Effect
                                                                     Analysis (FMEA) as
                                                                     provided in SAE
                                                                     J1739 (adopted
                                                                     2009). Manufacturers
                                                                     must keep the FMEA
                                                                     on file for at least
                                                                     three years from the
                                                                     date of creation.
Motor vehicle air conditioning  HFO-1234yf......  Acceptable        As of [date 30 days    Additional training
 (newly manufactured complete                      subject to use    after publication of   for service
 heavy-duty vans only).                            conditions.       final rule]:           technicians
                                                                    (1) HFO-1234yf MVAC     recommended.
                                                                     systems must adhere   HFO-1234yf is also
                                                                     to all of the safety   known as 2,3,3,3-
                                                                     requirements of SAE    tetrafluoro-prop-1-
                                                                     J639 (adopted 2011),   ene (CAS No 754-12-
                                                                     including              1).
                                                                     requirements for a    HFO-1234yf is
                                                                     flammable              acceptable for
                                                                     refrigerant warning    complete heavy-duty
                                                                     label, high-pressure   vans. Complete heavy-
                                                                     compressor cutoff      duty vans are not
                                                                     switch and pressure    altered by a
                                                                     relief devices, and    secondary or
                                                                     unique fittings. For   tertiary
                                                                     connections with       manufacturer.
                                                                     refrigerant
                                                                     containers for use
                                                                     in professional
                                                                     servicing, use
                                                                     fittings must be
                                                                     consistent with SAE
                                                                     J2844 (revised
                                                                     October 2011).
                                                                    (2) Manufacturers
                                                                     must conduct Failure
                                                                     Mode and Effect
                                                                     Analysis (FMEA) as
                                                                     provided in SAE
                                                                     J1739 (adopted
                                                                     2009). Manufacturers
                                                                     must keep the FMEA
                                                                     on file for at least
                                                                     three years from the
                                                                     date of creation.
----------------------------------------------------------------------------------------------------------------

* * * * *
0
4. Appendix H to subpart G of part 82 is amended by revising the
entries for ``C3F8'' and
``C4F10'' in the table titled ``Fire Suppression
and Explosion Protection-Acceptable Subject to Narrowed Use Limits:
Total Flooding Agents'' to read as follows:

Appendix H to Subpart G of Part 82--Substitutes Subject to Use
Restrictions and Unacceptable Substitutes, Effective May 28, 1999

* * * * *

   Fire Suppression and Explosion Protection--Acceptable Subject to Narrowed Use Limits: Total Flooding Agents
----------------------------------------------------------------------------------------------------------------
            End-use                Substitute         Decision            Conditions        Further information
----------------------------------------------------------------------------------------------------------------
Total flooding................  HFC-236fa.......  Acceptable        Acceptable when        Use of this agent
                                                   subject to        manufactured using     should be in
                                                   narrowed use      any process that       accordance with the
                                                   limits.           does not convert       safety guidelines in
                                                                     perfluoroisobutylene   the latest edition
                                                                     (PFIB) directly to     of the NFPA 2001
                                                                     HFC-236fa in a         Standard for Clean
                                                                     single step:           Agent Fire Systems.
                                                                    For use in explosion   Users should observe
                                                                     suppression and        the limitations on
                                                                     explosion inertion     HFC-236fa
                                                                     applications, and      acceptability by
                                                                     for use in fire        taking the following
                                                                     suppression            measures:
                                                                     applications where    (i) Conduct an
                                                                     other non-PFC agents   evaluation of
                                                                     or alternatives are    foreseeable
                                                                     not technically        conditions of end-
                                                                     feasible due to        use;
                                                                     performance or        (ii) determine that
                                                                     safety requirements:   the physical or
                                                                    (a) Because of their    chemical properties,
                                                                     physical or chemical   or other technical
                                                                     properties, or.        constraints of the
                                                                    (b) where human         other available
                                                                     exposure to the        agents preclude
                                                                     extinguishing agents   their use; and
                                                                     may result in         (iii) determine that
                                                                     failure to meet        human exposure to
                                                                     safety guidelines in   the other
                                                                     the latest edition     alternative
                                                                     of the NFPA 2001       extinguishing agents
                                                                     Standard for Clean     may result in
                                                                     Agent Fire             failure to meet
                                                                     Extinguishing          safety guidelines in
                                                                     Systems.               the latest edition
                                                                                of the NFPA 2001
                                                                                Standard for Clean
                                                                                Agent Fire
                                                                                Extinguishing
                                                                                Systems.
                                                                                Documentation of such
                                                                                measures should be
                                                                                available for review
                                                                                upon request.
                                                                                The principal
                                                                                environmental
                                                                                characteristic of
                                                                                concern for HFC-
                                                                                236fa is its high
                                                                                GWP of 9400 and long
                                                                                atmospheric lifetime
                                                                                of 226 years. Actual
                                                                                contributions to
                                                                                global warming
                                                                                depend upon the
                                                                                quantities emitted.
                                                                                See additional
                                                                                comments 1, 2, 3, 4,
                                                                                5.
----------------------------------------------------------------------------------------------------------------
Additional comments:
1--Should conform with relevant OSHA requirements, including 29 CFR 1910, Subpart L, Sections 1910.160 and
  1910.162.

2--Per OSHA requirements, protective gear (SCBA) should be available in the event personnel should reenter the
  area.
3--Discharge testing should be strictly limited to that which is essential to meet safety or performance
  requirements.
4--The agent should be recovered from the fire protection system in conjunction with testing or servicing, and
  recycled for later use or destroyed.
5--EPA has no intention of duplicating or displacing OSHA coverage related to the use of personal protective
  equipment (e.g., respiratory protection), fire protection, hazard communication, worker training or any other
  occupational safety and health standard with respect to halon substitutes.

* * * * *
0
5. Appendix K to subpart G of part 82 is revised to read as follows:

Appendix K to Subpart G of Part 82--Substitutes Subject to Use
Restrictions and Unacceptable Substitutes Listed in the July 22, 2002,
Final Rule Effective August 21, 2002

                                     Foam Blowing--Unacceptable Substitutes
----------------------------------------------------------------------------------------------------------------
              End-use                      Substitute                  Decision                  Comments
----------------------------------------------------------------------------------------------------------------
Replacements for HCFC-141b in the    HCFC-22, HCFC-142b and  Unacceptable...............  Alternatives exist
 following rigid polyurethane/        blends thereof.        Closed cell foam products     with lower or zero-
 polyisocyanurate applications:                               and products containing      ODP.
--Boardstock                                                  closed cell foams
--Appliance                                                   manufactured with these
--Spray                                                       substitutes on or before
                                                              [DATE ONE YEAR AFTER
                                                              PUBLICATION OF FINAL RULE]
                                                              may be used after that
                                                              date..
All foam end-uses..................  HCFC-124..............  Unacceptable...............  Alternatives exist
                                                             Closed cell foam products     with lower or zero-
                                                              and products containing      ODP.
                                                              closed cell foams
                                                              manufactured with this
                                                              substitute on or before
                                                              [DATE ONE YEAR AFTER
                                                              PUBLICATION OF FINAL RULE]
                                                              may be used after that
                                                              date.
----------------------------------------------------------------------------------------------------------------

0
6. Appendix M to subpart G of part 82 is revised to read as follows:

Appendix M to Subpart G--Unacceptable Substitutes Listed in the
September 30, 2004 Final Rule, Effective November 29, 2004

                                     Foam Blowing--Unacceptable Substitutes
----------------------------------------------------------------------------------------------------------------
              End-use                      Substitute                  Decision                  Comments
----------------------------------------------------------------------------------------------------------------
All foam end-uses:                   HCFC-141b.............  Unacceptable...............  Alternatives exist
--rigid polyurethane and                                     Closed cell foam products     with lower or zero-
 polyisocyanurate laminated                                   and products containing      ODP.
 boardstock                                                   closed cell foams
--rigid polyurethane appliance                                manufactured with this
--rigid polyurethane spray and                                substitute on or before
 commercial refrigeration, and                                [DATE ONE YEAR AFTER
 sandwich panels                                              PUBLICATION OF FINAL RULE]
--rigid polyurethane slabstock and                            may be used after that
 other foams                                                  date..
--polystyrene extruded insulation
 boardstock and billet
--phenolic insulation board and
 bunstock
--flexible polyurethane
--polystyrene extruded sheet
Except for: \1\
--space vehicle
--nuclear
--defense
--research and development for
 foreign customers
----------------------------------------------------------------------------------------------------------------
\1\ Exemptions for specific applications are identified in the list of acceptable substitutes.

0
7. Appendix O to subpart G of part 82 is revised to read as follows:

Appendix O to Subpart G of Part 82--Substitutes Listed in the September
27, 2006 Final Rule, Effective November 27, 2006

     Fire Suppression and Explosion Protection Sector--Total Flooding Substitutes--Acceptable Subject to Use
                                                   Conditions
----------------------------------------------------------------------------------------------------------------
            End-use                  Substitute          Decision          Conditions       Further information
----------------------------------------------------------------------------------------------------------------
Total flooding.................  Gelled Halocarbon/ Acceptable         Use of whichever   Use of this agent
                                  Dry Chemical       subject to use     hydrofluorocarbo   should be in
                                  Suspension         conditions.        n gas (HFC-125,    accordance with the
                                  (Envirogel) with                      HFC-227ea, or      safety guidelines in
                                  sodium                                HFC-236fa) is      the latest edition of
                                  bicarbonate                           employed in the    the NFPA 2001
                                  additive.                             formulation must   Standard for Clean
                                                                        be in accordance   Agent Fire
                                                                        with all           Extinguishing
                                                                        requirements for   Systems, for
                                                                        acceptability      whichever
                                                                        (i.e., narrowed    hydrofluorocarbon gas
                                                                        use limits) of     is employed, and the
                                                                        that HFC under     latest edition of the
                                                                        EPA's SNAP         NFPA 2010 standard
                                                                        program.           for Aerosol
                                                                                Extinguishing
                                                                                Systems.
                                                                                Sodium bicarbonate
                                                                                release in all
                                                                                settings should be
                                                                                targeted so that
                                                                                increased blood pH
                                                                                level would not
                                                                                adversely affect
                                                                                exposed individuals.
                                                                                Users should provide
                                                                                special training,
                                                                                including the
                                                                                potential hazards
                                                                                associated with the
                                                                                use of the HFC agent
                                                                                and sodium
                                                                                bicarbonate, to
                                                                                individuals required
                                                                                to be in environments
                                                                                protected by
                                                                                Envirogel with sodium
                                                                                bicarbonate additive
                                                                                extinguishing
                                                                                systems.
                                                                                Each extinguisher
                                                                                should be clearly
                                                                                labeled with the
                                                                                potential hazards
                                                                                from use and safe
                                                                                handling procedures.
                                                                                See additional
                                                                                comments 1, 2, 3, 4,
                                                                                5.
Total flooding.................  Powdered Aerosol   Acceptable         For use only in    Use of this agent
                                  E                  subject to use     normally           should be in
                                  (FirePro[supreg]   conditions.        unoccupied areas.  accordance with the
                                  ).                                                       safety guidelines in
                                                                                the latest edition of
                                                                                the NFPA 2010
                                                                                standard for Aerosol
                                                                                Extinguishing
                                                                                Systems.
                                                                                For establishments
                                                                                manufacturing the
                                                                                agent or filling,
                                                                                installing, or
                                                                                servicing containers
                                                                                or systems to be used
                                                                                in total flooding
                                                                                applications, EPA
                                                                                recommends the
                                                                                following:
                                                                                --Adequate ventilation
                                                                                should be in place to
                                                                                reduce airborne
                                                                                exposure to
                                                                                constituents of
                                                                                agent;
                                                                                --an eye wash fountain
                                                                                and quick drench
                                                                                facility should be
                                                                                close to the
                                                                                production area;
                                                                                --training for safe
                                                                                handling procedures
                                                                                should be provided to
                                                                                all employees that
                                                                                would be likely to
                                                                                handle containers of
                                                                                the agent or
                                                                                extinguishing units
                                                                                filled with the
                                                                                agent;
                                                                                --workers responsible
                                                                                for clean up should
                                                                                allow for maximum
                                                                                settling of all
                                                                                particulates before
                                                                                reentering area and
                                                                                wear appropriate
                                                                                protective equipment;
                                                                                and
                                                                                --all spills should be
                                                                                cleaned up
                                                                                immediately in
                                                                                accordance with good
                                                                                industrial hygiene
                                                                                practices.
                                                                                --See additional
                                                                                comments 1, 2, 3, 4,
                                                                                5.
Total flooding.................  Phosphorous        Acceptable         For use only in    For establishments
                                  Tribromide         subject to use     aircraft engine    manufacturing the
                                  (PBr3).            conditions..       nacelles..         agent or filling,
                                                                                installing, or
                                                                                servicing containers
                                                                                or systems, EPA
                                                                                recommends the
                                                                                following:
                                                                                --Adequate ventilation
                                                                                should be in place
                                                                                and/or positive
                                                                                pressure, self-
                                                                                contained breathing
                                                                                apparatus (SCBA)
                                                                                should be worn;
                                                                                --training for safe
                                                                                handling procedures
                                                                                should be provided to
                                                                                all employees that
                                                                                would be likely to
                                                                                handle containers of
                                                                                the agent or
                                                                                extinguishing units
                                                                                filled with the
                                                                                agent; and
                                                                                --all spills should be
                                                                                cleaned up
                                                                                immediately in
                                                                                accordance with good
                                                                                industrial hygiene
                                                                                practices.
                                                                                --See additional
                                                                                comments 1, 2, 3, 4,
                                                                                5.
----------------------------------------------------------------------------------------------------------------
Additional comments:
1--Should conform to relevant OSHA requirements, including 29 CFR 1910, Subpart L, Sections 1910.160 and
  1910.162.
2--Per OSHA requirements, protective gear (SCBA) should be available in the event personnel should reenter the
  area.
3--Discharge testing should be strictly limited to that which is essential to meet safety or performance
  requirements.
4--The agent should be recovered from the fire protection system in conjunction with testing or servicing, and
  recycled for later use or destroyed.
5--EPA has no intention of duplicating or displacing OSHA coverage related to the use of personal protective
  equipment (e.g., respiratory protection), fire protection, hazard communication, worker training or any other
  occupational safety and health standard with respect to halon substitutes.

0
8. Appendix Q to subpart G of part 82 is revised to read as follows:

Appendix Q to Subpart G of Part 82--Unacceptable Substitutes Listed in
the March 28, 2007 Final Rule, Effective May 29, 2007

                                      Foam Blowing Unacceptable Substitutes
----------------------------------------------------------------------------------------------------------------
              End use                      Substitute                  Decision             Further information
----------------------------------------------------------------------------------------------------------------
--Rigid polyurethane commercial      HCFC-22, HCFC-142b as   Unacceptable \1\...........  Alternatives exist
 refrigeration                        substitutes for HCFC-  Closed cell foam products     with lower or zero-
--Rigid polyurethane sandwich         141b.                   and products containing      ODP.
 panels                                                       closed cell foams
--Rigid polyurethane slabstock and                            manufactured with these
 other foams                                                  substitutes on or before
                                                              [DATE ONE YEAR AFTER
                                                              PUBLICATION OF FINAL RULE]
                                                              may be used after that
                                                              date..
--Rigid polyurethane and             HCFC-22, HCFC-142b as   Unacceptable \2\...........  Alternatives exist
 polyisocyanurate laminated           substitutes for CFCs.  Closed cell foam products     with lower or zero-
 boardstock                                                   and products containing      ODP.
--Rigid polyurethane appliance                                closed cell foams
--Rigid polyurethane spray and                                manufactured with these
 commercial refrigeration, and                                substitutes on or before
 sandwich panels                                              [DATE ONE YEAR AFTER
--Rigid polyurethane slabstock and                            PUBLICATION OF FINAL RULE]
 other foams                                                  may be used after that
--Polystyrene extruded insulation                             date..
 boardstock and billet
--Phenolic insulation board and
 bunstock
--Flexible polyurethane
--Polystyrene extruded sheet
----------------------------------------------------------------------------------------------------------------
\1\ For existing users of HCFC-22 and HCFC-142b as of November 4, 2005 other than in marine applications, the
  unacceptability determination is effective on March 1, 2008; for existing users of HCFC-22 and HCFC-142b as of
  November 4, 2005 in marine applications, including marine flotation foam, the unacceptability determination is
  effective on September 1, 2009. For an existing user of HCFC-22 or HCFC-142b that currently operates in only
  one facility that it does not own, and is scheduled to transition to a non-ODS, flammable alternative to
  coincide with a move to a new facility and installation of new process equipment that cannot be completed by
  March 1, 2008, the unacceptability determination is effective January 1, 2010.
\2\ For existing users of HCFC-22 and HCFC-142b in polystyrene extruded insulation boardstock and billet and the
  other foam end uses, as of November 4, 2005, the unacceptability determination is effective on January 1,
  2010.

0
9. Appendix U to subpart G of part 82 is amended by revising the tables
titled ``Foam Blowing Agents--Substitutes Acceptable Subject to
Narrowed Use Limits'' and ``Unacceptable Substitutes'' to read as
follows:

Appendix U to Subpart G of Part 82--Unacceptable Substitutes and
Substitutes Subject to Use Restrictions Listed in the July 20, 2015
Final Rule, Effective September 18, 2015

* * * * *

                   Foam Blowing Agents--Substitutes Acceptable Subject to Narrowed Use Limits
----------------------------------------------------------------------------------------------------------------
            End-use                Substitute         Decision       Narrowed use limits    Further information
----------------------------------------------------------------------------------------------------------------
Rigid Polyurethane: Appliance.  HFC-134a, HFC-    Acceptable        Acceptable from        Users are required to
                                 245fa, HFC-       Subject to        January 1, 2020,       document and retain
                                 365mfc and        Narrowed Use      until January 1,       the results of their
                                 blends thereof;   Limits.           2022, in military      technical
                                 Formacel TI,                        applications and       investigation of
                                 and Formacel Z-                     until January 1,       alternatives for the
                                 6.                                  2025, in space- and    purpose of
                                                                     aeronautics-related    demonstrating
                                                                     applications where     compliance.
                                                                     reasonable efforts     Information should
                                                                     have been made to      include descriptions
                                                                     ascertain that other   of:
                                                                     alternatives are not   Process or
                                                                     technically feasible   product in which the
                                                                     due to performance     substitute is
                                                                     or safety              needed;
                                                                     requirements.          Substitutes
                                                                                examined and
                                                                                rejected;
                                                                                Reason for
                                                                                rejection of other
                                                                                alternatives, e.g.,
                                                                                performance,
                                                                                technical or safety
                                                                                standards; and/or
                                                                                Anticipated
                                                                                date other
                                                                                substitutes will be
                                                                                available and
                                                                                projected time for
                                                                                switching.
Rigid Polyurethane: Commercial  HFC-134a, HFC-    Acceptable        Acceptable from        Users are required to
 Refrigeration and Sandwich      245fa, HFC-       Subject to        January 1, 2020,       document and retain
 Panels.                         365mfc, and       Narrowed Use      until January 1,       the results of their
                                 blends thereof;   Limits.           2022, in military      technical
                                 Formacel TI,                        applications and       investigation of
                                 and Formacel Z-                     until January 1,       alternatives for the
                                 6.                                  2025, in space- and    purpose of
                                                                     aeronautics-related    demonstrating
                                                                     applications where     compliance.
                                                                     reasonable efforts     Information should
                                                                     have been made to      include descriptions
                                                                     ascertain that other   of:
                                                                     alternatives are not   Process or
                                                                     technically feasible   product in which the
                                                                     due to performance     substitute is
                                                                     or safety              needed;
                                                                     requirements.          Substitutes
                                                                                examined and
                                                                                rejected;
                                                                                Reason for
                                                                                rejection of other
                                                                                alternatives, e.g.,
                                                                                performance,
                                                                                technical or safety
                                                                                standards; and/or
                                                                                Anticipated
                                                                                date other
                                                                                substitutes will be
                                                                                available and
                                                                                projected time for
                                                                                switching.

Flexible Polyurethane.........  HFC-134a, HFC-    Acceptable        Acceptable from        Users are required to
                                 245fa, HFC-       Subject to        January 1, 2017,       document and retain
                                 365mfc, and       Narrowed Use      until January 1,       the results of their
                                 blends thereof.   Limits.           2022 in military       technical
                                                                     applications and       investigation of
                                                                     until January 1,       alternatives for the
                                                                     2025 in space- and     purpose of
                                                                     aeronautics-related    demonstrating
                                                                     applications where     compliance.
                                                                     reasonable efforts     Information should
                                                                     have been made to      include descriptions
                                                                     ascertain that other   of:
                                                                     alternatives are not   Process or
                                                                     technically feasible   product in which the
                                                                     due to performance     substitute is
                                                                     or safety              needed;
                                                                     requirements.          Substitutes
                                                                                examined and
                                                                                rejected;
                                                                                Reason for
                                                                                rejection of other
                                                                                alternatives, e.g.,
                                                                                performance,
                                                                                technical or safety
                                                                                standards; and/or
                                                                                Anticipated
                                                                                date other
                                                                                substitutes will be
                                                                                available and
                                                                                projected time for
                                                                                switching.
Rigid Polyurethane: Slabstock   HFC-134a, HFC-    Acceptable        Acceptable from        Users are required to
 and Other.                      245fa, HFC-       Subject to        January 1, 2019,       document and retain
                                 365mfc and        Narrowed Use      until January 1,       the results of their
                                 blends thereof;   Limits.           2022, in military      technical
                                 Formacel TI,                        applications and       investigation of
                                 and Formacel Z-                     until January 1,       alternatives for the
                                 6.                                  2025, in space- and    purpose of
                                                                     aeronautics-related    demonstrating
                                                                     applications where     compliance.
                                                                     reasonable efforts     Information should
                                                                     have been made to      include descriptions
                                                                     ascertain that other   of:
                                                                     alternatives are not   Process or
                                                                     technically feasible   product in which the
                                                                     due to performance     substitute is
                                                                     or safety              needed;
                                                                     requirements.          Substitutes
                                                                                examined and
                                                                                rejected;
                                                                                Reason for
                                                                                rejection of other
                                                                                alternatives, e.g.,
                                                                                performance,
                                                                                technical or safety
                                                                                standards; and/or
                                                                                Anticipated
                                                                                date other
                                                                                substitutes will be
                                                                                available and
                                                                                projected time for
                                                                                switching.
Rigid Polyurethane and          HFC-134a, HFC-    Acceptable        Acceptable from        Users are required to
 Polyisocyanurate Laminated      245fa, HFC-       Subject to        January 1, 2017,       document and retain
 Boardstock.                     365mfc and        Narrowed Use      until January 1,       the results of their
                                 blends thereof.   Limits.           2022, in military      technical
                                                                     applications and       investigation of
                                                                     until January 1,       alternatives for the
                                                                     2025, in space- and    purpose of
                                                                     aeronautics-related    demonstrating
                                                                     applications where     compliance.
                                                                     reasonable efforts     Information should
                                                                     have been made to      include descriptions
                                                                     ascertain that other   of:
                                                                     alternatives are not   Process or
                                                                     technically feasible   product in which the
                                                                     due to performance     substitute is
                                                                     or safety              needed;
                                                                     requirements.          Substitutes
                                                                                examined and
                                                                                rejected;
                                                                                Reason for
                                                                                rejection of other
                                                                                alternatives, e.g.,
                                                                                performance,
                                                                                technical or safety
                                                                                standards; and/or
                                                                                Anticipated
                                                                                date other
                                                                                substitutes will be
                                                                                available and
                                                                                projected time for
                                                                                switching.
Rigid Polyurethane: Marine      HFC-134a, HFC-    Acceptable        Acceptable from        Users are required to
 Flotation Foam.                 245fa, HFC-       Subject to        January 1, 2020,       document and retain
                                 365mfc and        Narrowed Use      until January 1,       the results of their
                                 blends thereof;   Limits.           2022, in military      technical
                                 Formacel TI,                        applications and       investigation of
                                 and Formacel Z-                     until January 1,       alternatives for the
                                 6.                                  2025, in space- and    purpose of
                                                                     aeronautics-related    demonstrating
                                                                     applications where     compliance.
                                                                     reasonable efforts     Information should
                                                                     have been made to      include descriptions
                                                                     ascertain that other   of:
                                                                     alternatives are not   Process or
                                                                     technically feasible   product in which the
                                                                     due to performance     substitute is
                                                                     or safety              needed;
                                                                     requirements.          Substitutes
                                                                                examined and
                                                                                rejected;
                                                                                Reason for
                                                                                rejection of other
                                                                                alternatives, e.g.,
                                                                                performance,
                                                                                technical or safety
                                                                                standards; and/or
                                                                                Anticipated
                                                                                date other
                                                                                substitutes will be
                                                                                available and
                                                                                projected time for
                                                                                switching.
Polystyrene: Extruded Sheet...  HFC-134a, HFC-    Acceptable        Acceptable from        Users are required to
                                 245fa, HFC-       Subject to        January 1, 2017,       document and retain
                                 365mfc, and       Narrowed Use      until January 1,       the results of their
                                 blends thereof;   Limits.           2022, in military      technical
                                 Formacel TI,                        applications and       investigation of
                                 and Formacel Z-                     until January 1,       alternatives for the
                                 6.                                  2025, in space- and    purpose of
                                                                     aeronautics-related    demonstrating
                                                                     applications where     compliance.
                                                                     reasonable efforts     Information should
                                                                     have been made to      include descriptions
                                                                     ascertain that other   of:
                                                                     alternatives are not   Process or
                                                                     technically feasible   product in which the
                                                                     due to performance     substitute is
                                                                     or safety              needed;
                                                                     requirements.          Substitutes
                                                                                examined and
                                                                                rejected;
                                                                                Reason for
                                                                                rejection of other
                                                                                alternatives, e.g.,
                                                                                performance,
                                                                                technical or safety
                                                                                standards; and/or
                                                                                Anticipated
                                                                                date other
                                                                                substitutes will be
                                                                                available and
                                                                                projected time for
                                                                                switching.

Polystyrene: Extruded           HFC-134a, HFC-    Acceptable        Acceptable from        Users are required to
 Boardstock and Billet.          245fa, HFC-       Subject to        January 1, 2021,       document and retain
                                 365mfc, and       Narrowed Use      until January 1,       the results of their
                                 blends thereof;   Limits.           2022, in military      technical
                                 Formacel TI,                        applications and       investigation of
                                 Formacel B, and                     until January 1,       alternatives for the
                                 Formacel Z-6.                       2025, in space- and    purpose of
                                                                     aeronautics-related    demonstrating
                                                                     applications where     compliance.
                                                                     reasonable efforts     Information should
                                                                     have been made to      include descriptions
                                                                     ascertain that other   of:
                                                                     alternatives are not   Process or
                                                                     technically feasible   product in which the
                                                                     due to performance     substitute is
                                                                     or safety              needed;
                                                                     requirements.          Substitutes
                                                                                examined and
                                                                                rejected;
                                                                                Reason for
                                                                                rejection of other
                                                                                alternatives, e.g.,
                                                                                performance,
                                                                                technical or safety
                                                                                standards; and/or
                                                                                Anticipated
                                                                                date other
                                                                                substitutes will be
                                                                                available and
                                                                                projected time for
                                                                                switching.
Integral Skin Polyurethane....  HFC-134a, HFC-    Acceptable        Acceptable from        Users are required to
                                 245fa, HFC-       Subject to        January 1, 2017,       document and retain
                                 365mfc, and       Narrowed Use      until January 1,       the results of their
                                 blends thereof;   Limits.           2022, in military      technical
                                 Formacel TI,                        applications and       investigation of
                                 and Formacel Z-                     until January 1,       alternatives for the
                                 6.                                  2025, in space- and    purpose of
                                                                     aeronautics-related    demonstrating
                                                                     applications where     compliance.
                                                                     reasonable efforts     Information should
                                                                     have been made to      include descriptions
                                                                     ascertain that other   of:
                                                                     alternatives are not   Process or
                                                                     technically feasible   product in which the
                                                                     due to performance     substitute is
                                                                     or safety              needed;
                                                                     requirements.          Substitutes
                                                                                examined and
                                                                                rejected;
                                                                                Reason for
                                                                                rejection of other
                                                                                alternatives, e.g.,
                                                                                performance,
                                                                                technical or safety
                                                                                standards; and/or
                                                                                Anticipated
                                                                                date other
                                                                                substitutes will be
                                                                                available and
                                                                                projected time for
                                                                                switching.
Polyolefin....................  HFC-134a, HFC-    Acceptable        Acceptable from        Users are required to
                                 245fa, HFC-       Subject to        January 1, 2020,       document and retain
                                 365mfc, and       Narrowed Use      until January 1,       the results of their
                                 blends thereof;   Limits.           2022, in military      technical
                                 Formacel TI,                        applications and       investigation of
                                 and Formacel Z-                     until January 1,       alternatives for the
                                 6.                                  2025, in space- and    purpose of
                                                                     aeronautics-related    demonstrating
                                                                     applications where     compliance.
                                                                     reasonable efforts     Information should
                                                                     have been made to      include descriptions
                                                                     ascertain that other   of:
                                                                     alternatives are not   Process or
                                                                     technically feasible   product in which the
                                                                     due to performance     substitute is
                                                                     or safety              needed;
                                                                     requirements.          Substitutes
                                                                                examined and
                                                                                rejected;
                                                                                Reason for
                                                                                rejection of other
                                                                                alternatives, e.g.,
                                                                                performance,
                                                                                technical or safety
                                                                                standards; and/or
                                                                                Anticipated
                                                                                date other
                                                                                substitutes will be
                                                                                available and
                                                                                projected time for
                                                                                switching.
Phenolic Insulation Board and   HFC-143a, HFC-    Acceptable        Acceptable from        Users are required to
 Bunstock.                       134a, HFC-        Subject to        January 1, 2017,       document and retain
                                 245fa, HFC-       Narrowed Use      until January 1,       the results of their
                                 365mfc, and       Limits.           2022, in military      technical
                                 blends thereof.                     applications and       investigation of
                                                                     until January 1,       alternatives for the
                                                                     2025, in space- and    purpose of
                                                                     aeronautics-related    demonstrating
                                                                     applications where     compliance.
                                                                     reasonable efforts     Information should
                                                                     have been made to      include descriptions
                                                                     ascertain that other   of:
                                                                     alternatives are not   Process or
                                                                     technically feasible   product in which the
                                                                     due to performance     substitute is
                                                                     or safety              needed;
                                                                     requirements.          Substitutes
                                                                                examined and
                                                                                rejected;
                                                                                Reason for
                                                                                rejection of other
                                                                                alternatives, e.g.,
                                                                                performance,
                                                                                technical or safety
                                                                                standards; and/or
                                                                                Anticipated
                                                                                date other
                                                                                substitutes will be
                                                                                available and
                                                                                projected time for
                                                                                switching.
----------------------------------------------------------------------------------------------------------------

                                            Unacceptable Substitutes
----------------------------------------------------------------------------------------------------------------
           End-use                    Substitute                  Decision               Further information
----------------------------------------------------------------------------------------------------------------
All Foam Blowing End-uses....  HCFC-141b and blends     Unacceptable effective       HCFC-141b has an ozone
                                thereof.                 September 18, 2015. Closed   depletion potential of
                                                         cell foam products and       0.11 under the Montreal
                                                         products containing closed   Protocol. EPA previously
                                                         cell foams manufactured      found HCFC-141b
                                                         with these substitutes on    unacceptable in all foam
                                                         or before [DATE ONE YEAR     blowing end-uses (appendix
                                                         AFTER PUBLICATION OF FINAL   M to subpart G of 40 CFR
                                                         RULE] may be used after      part 82). HCFC-141b has an
                                                         that date.                   ozone depletion potential
                                                                                (ODP) of 0.11.
All Foam Blowing End-uses....  HCFC-22, HCFC-142b, and  Unacceptable effective       Use or introduction into
                                blends thereof.          September 18, 2015. Closed   interstate commerce of
                                                         cell foam products and       virgin HCFC-22 and HCFC-
                                                         products containing closed   142b for foam blowing is
                                                         cell foams manufactured      prohibited after January
                                                         with these substitutes on    1, 2010 under EPA's
                                                         or before [DATE ONE YEAR     regulations at 40 CFR part
                                                         AFTER PUBLICATION OF FINAL   82 subpart A unless used,
                                                         RULE] may be used after      recovered, and recycled.
                                                         that date.                   These compounds have ODPs
                                                                                of 0.055 and 0.065,
                                                                                respectively.

Flexible Polyurethane.         HFC-134a, HFC-245fa,     Unacceptable as of January   These foam blowing agents
                                HFC-365mfc, and blends   1, 2017 except where         have global warming
                                thereof.                 allowed under a narrowed     potentials (GWPs) ranging
                                                         use limit.                   from 725 to 1,430. Other
                                                                                substitutes will be
                                                                                available for this end-use
                                                                                with lower overall risk to
                                                                                human health and the
                                                                                environment by the status
                                                                                change date.
Polystyrene: Extruded Sheet..  HFC-134a, HFC-245fa,     Unacceptable as of January   These foam blowing agents
                                HFC-365mfc, and blends   1, 2017, except where        have GWPs ranging from
                                thereof; Formacel TI,    allowed under a narrowed     higher than 370 to
                                and Formacel Z-6.        use limit.                   approximately 1,500. Other
                                                        Closed cell foam products     substitutes will be
                                                         and products containing      available for this end-use
                                                         closed cell foams            with lower overall risk to
                                                         manufactured with these      human health and the
                                                         substitutes on or before     environment by the status
                                                         [DATE ONE YEAR AFTER         change date.
                                                         PUBLICATION OF FINAL RULE]
                                                         may be used after that
                                                         date.
Phenolic Insulation Board and  HFC-143a, HFC-134a, HFC- Unacceptable as of January   These foam blowing agents
 Bunstock.                      245fa, HFC-365mfc, and   1, 2017, except where        have GWPs ranging from 725
                                blends thereof.          allowed under a narrowed     to 4,470. Other
                                                         use limit.                   substitutes will be
                                                        Closed cell foam products     available for this end-use
                                                         and products containing      with lower overall risk to
                                                         closed cell foams            human health and the
                                                         manufactured with these      environment by the status
                                                         substitutes on or before     change date.
                                                         [DATE ONE YEAR AFTER
                                                         PUBLICATION OF FINAL RULE]
                                                         may be used after that
                                                         date.
Integral Skin Polyurethane...  HFC-134a, HFC-245fa,     Unacceptable as of January   These foam blowing agents
                                HFC-365mfc, and blends   1, 2017, except where        have GWPs ranging from
                                thereof; Formacel TI,    allowed under a narrowed     higher than 370 to
                                and Formacel Z-6.        use limit.                   approximately 1,500. Other
                                                                                substitutes will be
                                                                                available for this end-use
                                                                                with lower overall risk to
                                                                                human health and the
                                                                                environment by the status
                                                                                change date.
Rigid Polyurethane: Slabstock  HFC-134a, HFC-245fa,     Unacceptable as of January   These foam blowing agents
 and Other.                     HFC-365mfc and blends    1, 2019, except where        have GWPs ranging from
                                thereof; Formacel TI,    allowed under a narrowed     higher than 370 to
                                and Formacel Z-6.        use limit.                   approximately 1,500. Other
                                                        Closed cell foam products     substitutes will be
                                                         and products containing      available for this end-use
                                                         closed cell foams            with lower overall risk to
                                                         manufactured with these      human health and the
                                                         substitutes on or before     environment by the status
                                                         January 1, 2019, may be      change date.
                                                         used after that date.
Rigid Polyurethane and         HFC-134a, HFC-245fa,     Unacceptable as of January   These foam blowing agents
 Polyisocyanurate Laminated     HFC-365mfc and blends    1, 2017, except where        have GWPs ranging from 725
 Boardstock.                    thereof.                 allowed under a narrowed     to 1,430. Other
                                                         use limit.                   substitutes will be
                                                        Closed cell foam products     available for this end-use
                                                         and products containing      with lower overall risk to
                                                         closed cell foams            human health and the
                                                         manufactured with these      environment by the status
                                                         substitutes on or before     change date.
                                                         [DATE ONE YEAR AFTER
                                                         PUBLICATION OF FINAL RULE]
                                                         may be used after that
                                                         date..
Rigid Polyurethane: Marine     HFC-134a, HFC-245fa,     Unacceptable as of January   These foam blowing agents
 Flotation Foam.                HFC-365mfc and blends    1, 2020 except where         have GWPs ranging from
                                thereof; Formacel TI,    allowed under a narrowed     higher than 370 to
                                and Formacel Z-6.        use limit.                   approximately 1,500. Other
                                                        Closed cell foam products     substitutes will be
                                                         and products containing      available for this end-use
                                                         closed cell foams            with lower overall risk to
                                                         manufactured with these      human health and the
                                                         substitutes on or before     environment by the status
                                                         January 1, 2020, may be      change date.
                                                         used after that date..
Rigid Polyurethane:            HFC-134a, HFC-245fa,     Unacceptable as of January   These foam blowing agents
 Commercial Refrigeration and   HFC-365mfc, and blends   1, 2020 except where         have GWPs ranging from
 Sandwich Panels.               thereof; Formacel TI,    allowed under a narrowed     higher than 370 to
                                and Formacel Z-6.        use limit.                   approximately 1,500. Other
                                                        Closed cell foam products     substitutes will be
                                                         and products containing      available for this end-use
                                                         closed cell foams            with lower overall risk to
                                                         manufactured with these      human health and the
                                                         substitutes on or before     environment by the status
                                                         January 1, 2020, may be      change date.
                                                         used after that date..
Rigid Polyurethane: Appliance  HFC-134a, HFC-245fa,     Unacceptable as of January   These foam blowing agents
                                HFC-365mfc and blends    1, 2020, except where        have GWPs ranging from
                                thereof; Formacel TI,    allowed under a narrowed     higher than 370 to
                                and Formacel Z-6.        use limit.                   approximately 1,500. Other
                                                        Closed cell foam products     substitutes will be
                                                         and products containing      available for this end-use
                                                         closed cell foams            with lower overall risk to
                                                         manufactured with these      human health and the
                                                         substitutes on or before     environment by the status
                                                         January 1, 2020, may be      change date.
                                                         used after that date..
Polystyrene: Extruded          HFC-134a, HFC-245fa,     Unacceptable as of January   These foam blowing agents
 Boardstock and Billet.         HFC-365mfc, and blends   1, 2021, except where        have GWPs ranging from
                                thereof; Formacel TI,    allowed under a narrowed     higher than 140 to
                                Formacel B, and          use limit.                   approximately 1,500. Other
                                Formacel Z-6.           Closed cell foam products     substitutes will be
                                                         and products containing      available for this end-use
                                                         closed cell foams            with lower overall risk to
                                                         manufactured with these      human health and the
                                                         substitutes on or before     environment by the status
                                                         January 1, 2021, may be      change date.
                                                         used after that date..
Polyolefin...................  HFC-134a, HFC-245fa,     Unacceptable as of January   These foam blowing agents
                                HFC-365mfc, and blends   1, 2020, except where        have GWPs ranging from
                                thereof; Formacel TI,    allowed under a narrowed     higher than 370 to
                                and Formacel Z-6.        use limit.                   approximately 1,500. Other
                                                        Closed cell foam products     substitutes will be
                                                         and products containing      available for this end-use
                                                         closed cell foams            with lower overall risk to
                                                         manufactured with these      human health and the
                                                         substitutes on or before     environment by the status
                                                         January 1, 2020, may be      change date.
                                                         used after that date..
----------------------------------------------------------------------------------------------------------------

* * * * *
0
10. Add appendix V to subpart G of part 82, to read as follows:

Appendix V to Subpart G of Part 82--Substitutes Subject to Use
Restrictions and Unacceptable Substitutes Listed in the [DATE OF
PUBLICATION OF FINAL RULE IN THE FEDERAL REGISTER] Final Rule

                               Refrigerants--Acceptable Subject to Use Conditions
----------------------------------------------------------------------------------------------------------------
            End-use                Substitute         Decision          Use Conditions      Further information
----------------------------------------------------------------------------------------------------------------
Commercial ice machines (self-  Propane (R-290).  Acceptable,       As of [date 30 days    Applicable OSHA
 contained) (new only).                            subject to use    after publication of   requirements at 29
                                                   conditions.       final rule]:           CFR part 1910 must
                                                                    This refrigerant may    be followed,
                                                                     be used only in new    including those at
                                                                     equipment designed     29 CFR 1910.106
                                                                     specifically and       (flammable and
                                                                     clearly identified     combustible
                                                                     for the refrigerant--  liquids), 1910.110
                                                                     i.e., this             (storage and
                                                                     refrigerant may not    handling of
                                                                     be used as a           liquefied petroleum
                                                                     conversion or          gases), 1910.157
                                                                     ``retrofit''           (portable fire
                                                                     refrigerant for        extinguishers), and
                                                                     existing equipment..   1910.1000 (toxic and
                                                                                hazardous
                                                                                substances).
                                                                    This refrigerant may   Proper ventilation
                                                                     be used only in self-  should be maintained
                                                                     contained commercial   at all times during
                                                                     ice machines that      the manufacture and
                                                                     meet all               storage of equipment
                                                                     requirements listed    containing
                                                                     in Supplement SA to    hydrocarbon
                                                                     UL 563.1 2 5 In        refrigerants through
                                                                     cases where this       adherence to good
                                                                     rule includes          manufacturing
                                                                     requirements more      practices as per 29
                                                                     stringent than those   CFR 1910.106. If
                                                                     in UL 563, the         refrigerant levels
                                                                     equipment must meet    in the air
                                                                     the requirements of    surrounding the
                                                                     the final rule in      equipment rise above
                                                                     place of the           one-fourth of the
                                                                     requirements in the    lower flammability
                                                                     UL Standard.           limit, the space
                                                                    The charge size must    should be evacuated
                                                                     not exceed 150 g       and re-entry should
                                                                     (5.29 oz) in each      occur only after the
                                                                     refrigerant circuit    space has been
                                                                     of a commercial ice    properly ventilated.
                                                                     machine..
                                                                    As provided in         Technicians and
                                                                     clauses SA6.1.1 and    equipment
                                                                     SA6.1.2 of UL 563,     manufacturers should
                                                                     the following          wear appropriate
                                                                     markings must be       personal protective
                                                                     attached at the        equipment, including
                                                                     locations provided     chemical goggles and
                                                                     and must be            protective gloves,
                                                                     permanent:             when handling these
                                                                                refrigerants.
                                                                                Special care should
                                                                                be taken to avoid
                                                                                contact with the
                                                                                skin since these
                                                                                refrigerants, like
                                                                                many refrigerants,
                                                                                can cause freeze
                                                                                burns on the skin.
                                                                    (a) ``DANGER--Risk of  A Class B dry powder
                                                                     Fire or Explosion.     type fire
                                                                     Flammable              extinguisher should
                                                                     Refrigerant Used. Do   be kept nearby.
                                                                     Not Use Mechanical     Technicians should
                                                                     Devices To Defrost     only use spark-proof
                                                                     Refrigerator. Do Not   tools when working
                                                                     Puncture Refrigerant   on refrigerators and
                                                                     Tubing.'' This         freezers with these
                                                                     marking must be        refrigerants.
                                                                     provided on or near
                                                                     any evaporators that
                                                                     can be contacted by
                                                                     the consumer.
                                                                    (b) ``DANGER--Risk of  Any recovery
                                                                     Fire or Explosion.     equipment used
                                                                     Flammable              should be designed
                                                                     Refrigerant Used. To   for flammable
                                                                     Be Repaired Only By    refrigerants.
                                                                     Trained Service       Any refrigerant
                                                                     Personnel. Do Not      releases should be
                                                                     Puncture Refrigerant   in a well-ventilated
                                                                     Tubing.'' This         area, such as
                                                                     marking must be        outside of a
                                                                     located near the       building.
                                                                     machine compartment.
                                                                    (c) ``CAUTION--Risk    Only technicians
                                                                     of Fire or             specifically trained
                                                                     Explosion. Flammable   in handling
                                                                     Refrigerant Used.      flammable
                                                                     Consult Repair         refrigerants should
                                                                     Manual/Owner's Guide   service
                                                                     Before Attempting To   refrigerators and
                                                                     Service This           freezers containing
                                                                     Product. All Safety    these refrigerants.
                                                                     Precautions Must be    Technicians should
                                                                     Followed.'' This       gain an
                                                                     marking must be        understanding of
                                                                     located near the       minimizing the risk
                                                                     machine compartment.   of fire and the
                                                                                steps to use
                                                                                flammable
                                                                                refrigerants safely.
                                                                    (d) ``CAUTION--Risk    Room occupants should
                                                                     of Fire or             evacuate the space
                                                                     Explosion. Dispose     immediately
                                                                     of Properly In         following the
                                                                     Accordance With        accidental release
                                                                     Federal Or Local       of this refrigerant.
                                                                     Regulations.          If a service port is
                                                                     Flammable              added then retail
                                                                     Refrigerant Used.''    food refrigerators
                                                                     This marking must be   and freezers using
                                                                     provided on the        these refrigerants
                                                                     exterior of the        should have service
                                                                     refrigeration          aperture fittings
                                                                     equipment.             that differ from
                                                                    (e) ``CAUTION--Risk     fittings used in
                                                                     of Fire or Explosion   equipment or
                                                                     Due To Puncture Of     containers using non-
                                                                     Refrigerant Tubing;    flammable
                                                                     Follow Handling        refrigerant.
                                                                     Instructions           ``Differ'' means
                                                                     Carefully. Flammable   that either the
                                                                     Refrigerant Used.''    diameter differs by
                                                                     This marking must be   at least \1/16\ inch
                                                                     provided near all      or the thread
                                                                     exposed refrigerant    direction is
                                                                     tubing..               reversed (i.e.,
                                                                    All of these markings   right-handed vs.
                                                                     must be in letters     left-handed). These
                                                                     no less than 6.4 mm    different fittings
                                                                     (\1/4\ inch) high..    should be
                                                                                permanently affixed
                                                                                to the unit at the
                                                                                point of service and
                                                                                maintained until the
                                                                                end-of-life of the
                                                                                unit, and should not
                                                                                be accessed with an
                                                                                adaptor.

                                                                    The equipment must
                                                                     have red Pantone
                                                                     Matching System
                                                                     (PMS) #185 marked
                                                                     pipes, hoses, or
                                                                     other devices
                                                                     through which the
                                                                     refrigerant passes,
                                                                     to indicate the use
                                                                     of a flammable
                                                                     refrigerant. This
                                                                     color must be
                                                                     applied at all
                                                                     service ports and
                                                                     other parts of the
                                                                     system where service
                                                                     puncturing or other
                                                                     actions creating an
                                                                     opening from the
                                                                     refrigerant circuit
                                                                     to the atmosphere
                                                                     might be expected