California Code of Regulations › Title 17 - Public Health › Division 3 - Air Resources › Chapter 1 - Air Resources Board › Subchapter 10 - Climate Change › Article 4 - Regulations to Achieve Greenhouse Gas Emission Reductions › Subarticle 5 - Prohibitions on Use of Certain Hydrofluorocarbons in Stationary Refrigeration, Chillers, Aerosols-Propellants, and Foam End-Uses › Section 95374 - List of Prohibited Substances

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a) The following table lists prohibited
						substances as of their relevant dates:
Table 1: End-Use and Prohibited
						  Substances.
General
								  End-Use
Specific
								  End-Use
Prohibited
								  Substances
Effective
								  Date
Refrigeration
Retail food refrigeration
								  equipment
Supermarket systems (new) 
								  a
HFC-227ea,
								  R-404A, R-407B, R-421B, R-422A, R-422C, R-422D, R-428A, R-434A,
								  R-507A
Prohibited as of January 1, 2019
Retail food refrigeration
								  equipment
Supermarket systems (refrigerant retrofit)
R-404A,
								  R-407B, R-421B, R-422A, R-422C, R-422D, R-428A, R-434A,
								  R-507A
Prohibited as of January 1, 2019
Retail food refrigeration
								  equipment
Remote condensing units (new) 
								  a
HFC-227ea,
								  R-404A, R-407B, R-421B, R-422A, R-422C, R-422D, R-428A, R-434A,
								  R-507A
Prohibited as of January 1, 2019
Retail food refrigeration
								  equipment
Remote condensing units (refrigerant
								  retrofit)
R-404A, R-407B, R-421B, R-422A, R-422C, R-422D, R-428A,
								  R-434A, R-507A
Prohibited as of January 1, 2019
Retail food refrigeration
								  equipment
Stand-alone medium-temperature units with a compressor
								  capacity below 2,200 Btu/hr and not containing a flooded evaporator
								  (new)
FOR12A, FOR12B, HFC-134a, HFC-227ea, KDD6, R-125/290/134a/600a
								  (55.0/1.0/42.5/1.5), R-404A, R-407A, R-407B, R-407C, R-407F, R-410A, R-410B,
								  R-417A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-424A, R-426A, R-428A,
								  R-434A, R-437A, R-438A, R-507A, RS-24 (2002 formulation), RS-44 (2003
								  formulation), SP34E, THR-03
Prohibited as of January 1, 2019
Retail food refrigeration
								  equipment
Stand-alone medium-temperature units with a compressor
								  capacity below 2,200Btu/hr and containing a flooded evaporator
								  (new)
FOR12A, FOR12B, HFC-134a, HFC-227ea, KDD6, R-125/290/134a/600a
								  (55.0/1.0/42.5/1.5), R-404A, R-407A, R-407B, R-407C, R-407F, R-410A, R-410B,
								  R-417A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-424A, R-426A, R-428A,
								  R-434A, R-437A, R-438A, R-507A, RS-24 (2002 formulation), RS-44 (2003
								  formulation), SP34E, THR-03
Prohibited as of January 1, 2020
Retail food refrigeration
								  equipment
Stand-alone medium-temperature units with a compressor
								  capacity equal to or greater than 2,200 Btu/hr (new)
FOR12A, FOR12B,
								  HFC-134a, HFC-227ea, KDD6, R-125/290/134a/600a (55.0/1.0/42.5/1.5), R-404A,
								  R-407A, R-407B, R-407C, R-407F, R-410A, R-410B, R-417A, R-421A, R-421B, R-422A,
								  R-422B, R-422C, R-422D, R-424A, R-426A, R-428A, R-434A, R-437A, R-438A, R-507A,
								  RS-24 (2002 formulation), RS-44 (2003 formulation), SP34E,
								  THR-03
Prohibited as of January 1, 2020
Retail food refrigeration
								  equipment
Stand-alone low-temperature units (new)
HFC-227ea,
								  KDD6, R-125/290/134a/600a (55.0/1.0/42.5/1.5), R-404A, R-407A, R-407B, R-407C,
								  R-407F, R-410A, R-410B, R-417A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D,
								  R-424A, R-428A, R-434A, R-437A, R-438A, R-507A, RS-44 (2003
								  formulation)
Prohibited as of January 1, 2020
Retail food refrigeration
								  equipment
Stand-alone units (refrigerant retrofit)
R-404A,
								  R-507A
Prohibited as of January 1, 2019
Retail food refrigeration
								  equipment
Refrigerated food processing HFC-227ea, KDD6,
								  R-125/290/134a/600a and dispensing equipment (new)
(55.0/1.0/42.5/1.5),
								  R-404A, R-407A, R-407B, R-407C, R-407F, R-410A, R-410B, R-417A, R-421A, R-421B,
								  R-422A, R-422B, R-422C, R-422D, R-424A, R-428A, R-434A, R-437A, R-438A, R-507A,
								  RS-44 (2003 formulation)
Prohibited as of January 1, 2021
Vending machines
Vending machines
								  (new)
FOR12A, FOR12B, HFC-134a, KDD6, R-125/290/134a/600a
								  (55.0/1.0/42.5/1.5), R-404A, R-407C, R-410A, R-410B, R-417A, R-421A, R-422B,
								  R-422C, R-422D, R-426A, R-437A, R-438A, R-507A, RS-24 (2002 formulation),
								  SP34E
Prohibited as of January 1, 2019
Vending machines
Vending machines
								  (refrigerant retrofit)
R-404A, R-507A
Prohibited as of January
								  1, 2019
Foam Systems Used to
								  Manufacture
Foams
Rigid polyurethane laminated
								  boardstock and polyisocyanurate laminated boardstock
HFC-134a,
								  HFC-245fa, HFC-365mfc and blends thereof
Prohibited as of January 1,
								  2019
Flexible polyurethane
HFC-134a,
								  HFC-245fa, HFC-365mfc, and blends thereof
Integral skin
								  polyurethane
HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof
								  Formacel TI, and Formacel Z-6
Polystyrene extruded
								  sheet
HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof; Formacel TI,
								  and Formacel Z-6
Phenolic insulation board and
								  bunstock
HFC-143a, HFC-134a, HFC-245fa, HFC-365mfc, and blends
								  thereof
____________________
a For refrigeration equipment containing more than 50
						  pounds of refrigerant under this end-use, see Table 4 for additional
						  requirements.
(b) The
						following table lists prohibited substances as of their relevant dates:
Table 2: End-Use and Prohibited
						  Substances.
General
								  End-Use
Specific
								  End-Use
Prohibited
								  Substances
Effective
								  Date
Refrigeration
Cold storage warehouses
Cold storage
								  warehouses (new) 
								  a
HFC-227ea,
								  R-125/290/134a/600a (55.0/1.0/42.5/1.5), R-404A, R-407A, R-407B, R-410A,
								  R-410B, R-417A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-423A, R-424A,
								  R-428A, R-434A, R-438A, R-507A, and RS-44 (2003 composition)
Prohibited
								  as of January 1, 2023
Household refrigerators and freezers
								  (new)
Compact residential consumer refrigeration
								  products
FOR12A, FOR12B, HFC-134a, KDD6, R-125/290/134a/600a
								  (55.0/1.0/42.5/1.5), R-404A, R-407C, R-407F, R-410A, R-410B, R-417A, R-421A,
								  R-421B, R-422A, R-422B, R-422C, R-422D, R-424A, R-426A, R-428A, R-434A, R-437A,
								  R-438A, R-507A, RS-24 (2002 formulation), RS-44 (2003 formulation), SP34E, and
								  THR-03
Prohibited as of January 1, 2021
Household refrigerators and freezers
								  (new)
Residential consumer refrigeration products
FOR12A,
								  FOR12B, HFC-134a, KDD6, R-125/290/134a/600a (55.0/1.0/42.5/1.5), R-404A,
								  R-407C, R-407F, R-410A, R-410B, R-417A, R-421A, R-421B, R-422A, R-422B, R-422C,
								  R-422D, R-424A, R-426A, R-428A, R-434A, R-437A, R-438A, R-507A, RS-24 (2002
								  formulation), RS-44 (2003 formulation), SP34E, and THR-03
Prohibited as
								  of January 1, 2022
Household refrigerators and freezers
								  (new)
Built-in residential consumer refrigeration
								  products
FOR12A, FOR12B, HFC-134a, KDD6, R-125/290/134a/600a
								  (55.0/1.0/42.5/1.5), R-404A, R-407C, R-407F, R-410A, R-410B, R-417A, R-421A,
								  R-421B, R-422A, R-422B, R-422C, R-422D, R-424A, R-426A, R-428A, R-434A, R-437A,
								  R-438A, R-507A, RS-24 (2002 formulation), RS-44 (2003 formulation), SP34E, and
								  THR-03
Prohibited as of January 1, 2023
Foam Systems Used to
								  Manufacture
Foams
Rigid polyurethane slabstock and
								  other
HFC-134a, HFC-245fa, HFC-365mfc and blends thereof; Formacel TI,
								  and Formacel Z-6
Prohibited as of January 1, 2019
Foams
Rigid polyurethane appliance
								  foam
HFC-134a, HFC-245fa, HFC-365mfc and blends thereof; Formacel TI,
								  and Formacel Z-6
Prohibited as of January 1, 2020
Foams
Rigid polyurethane commercial
								  refrigeration and sandwich panels
HFC-134a, HFC-245fa, HFC-365mfc, and
								  blends thereof; Formacel TI, and Formacel Z-6
Prohibited as of January
								  1, 2020
Foams
Polyolefin
HFC-134a,
								  HFC-245fa, HFC-365mfc, and blends thereof; Formacel TI, and Formacel
								  Z-6
Prohibited as of January 1, 2020
Foams
Rigid polyurethane marine flotation
								  foam
HFC-134a, HFC-245fa, HFC-365mfc and blends thereof; Formacel TI,
								  and Formacel Z-6
Prohibited as of January 1, 2020
Foams
Rigid polyurethane (PU)
								  high-pressure two-component spray foam
HFC-134a, HFC-245fa, and blends
								  thereof; blends of HFC-365mfc with at least four percent HFC-245fa, and
								  commercial blends of HFC-365mfc with 7 to 13 percent HFC-227ea and the
								  remainder HFC-365mfc; and Formacel TI
Prohibited as of January 1,
								  2020
Foams
Rigid polyurethane (PU)
								  one-component foam sealants
HFC-134a, HFC-245fa, and blends thereof;
								  blends of HFC-365mfc with at least four percent HFC-245fa, and commercial
								  blends of HFC-365mfc with 7 to 13 percent HFC-227ea and the remainder
								  HFC-365mfc; and Formacel TI
Prohibited as of January 1, 2020
Foams
Polystyrene extruded boardstock and
								  billet (XPS)
HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof;
								  Formacel TI, Formacel B, and Formacel Z-6
Prohibited as of January 1,
								  2021
Foams
Rigid polyurethane (PU)
								  low-pressure two-component spray foam
HFC-134a, HFC-245fa, and blends
								  thereof; blends of HFC-365mfc with at least four percent HFC-245fa, and
								  commercial blends of HFC-365mfc with 7 to 13 percent HFC-227ea and the
								  remainder HFC-365mfc; and Formacel TI
Prohibited as of January 1,
								  2021
Aerosols--Propellants
Aerosols--Propellants
Aerosols--propellants
HFC-125,
								  HFC-134a, HFC-227ea and blends of HFC-227ea and HFC-134a
Prohibited as
								  of January 1, 2019
____________________
a For refrigeration equipment containing more than 50
						  pounds of refrigerant under this end-use, see Table 3 for additional
						  requirements.
(c) The
						following table lists prohibited substances as of their relevant dates:
Table 3: End-Use and Prohibited
						  Substances.
General
								  End-Use
Specific
								  End-Use
Prohibited
								  Substances
Effective
								  Date
New Air-conditioning Equipment,
								  Stationary
Air-conditioning
								  Equipment
Room/wall/window air-conditioning equipment, PTACs, PTHPs,
								  portable air-conditioning equipment, and residential dehumidifiers
								  (new)
Refrigerants with a GWP of 750 or greater
Prohibited as
								  of January 1, 2023
Air-conditioning Equipment
Other
								  air-conditioning (new) equipment, residential and
								  non-residential
Refrigerants with a GWP of 750 or
								  greater
Prohibited as of January 1, 2025
Air-conditioning Equipment
Variable
								  Refrigerant Flow (VRF) system (new)
Refrigerants with a GWP of 750 or
								  greater
Prohibited as of January 1, 2026
New Chillers
Chillers - Air-conditioning
Chillers
								  (new)
Refrigerants with a GWP of 750 or greater
Prohibited as
								  of January 1, 2024
Chillers - Industrial Process
								  Refrigeration
Chillers (new) designed for chilled fluid leaving the
								  chiller at temperatures > +35 °F (2 °C)
Refrigerants with a
								  GWP of 750 or greater
Prohibited as of January 1, 2024
Chillers - Industrial Process
								  Refrigeration
Chillers (new) designed for chilled fluid leaving the
								  chiller at temperatures [LESS THAN EQUAL TO] +35 °F (2 °C) and > -10
								  °F (-23 °C)
Refrigerants with a GWP of 1,500 or
								  greater
Prohibited as of January 1, 2024
Chillers - Industrial Process
								  Refrigeration
Chillers (new) designed for chilled fluid leaving the
								  chiller at temperatures [LESS THAN EQUAL TO] -10 °F (-23 °C) and > -
								  58 °F (-50 °C)
Refrigerants with a GWP of 2,200 or
								  greater
Prohibited as of January 1, 2024
New Refrigeration Equipment, Stationary
								  (in New Facilities)
Cold Storage Warehouses
Refrigeration
								  equipment (new), containing more than 50 pounds
								  refrigerant
Refrigerants with a GWP of 150 or
								  greater
Prohibited as of January 1, 2022
Ice Rinks
Refrigeration Equipment (new),
								  containing more than 50 pounds refrigerant and Chillers
								  (new)
Refrigerants with a GWP of 150 or greater
Prohibited as
								  of January 1, 2024
Industrial Process Refrigeration excluding
								  Chillers
Refrigeration equipment (new), containing more than 50 pounds
								  refrigerant
Refrigerants with a GWP of 150 or
								  greater
Prohibited as of January 1, 2022
Other Refrigeration
Refrigeration
								  equipment (new), containing more than 50 pounds
								  refrigerant
Refrigerants with a GWP of 150 or
								  greater
Prohibited as of January 1, 2022
New Refrigeration Equipment, Stationary
								  (in Existing Facilities)
Ice Rinks
Refrigeration Equipment (new),
								  containing more than 50 pounds refrigerant and Chillers
								  (new)
Refrigerants with a GWP of 750 or greater
Prohibited as
								  of January 1, 2024
Industrial Process Refrigeration excluding
								  Chillers
Refrigeration equipment (new), containing more than 50 pounds
								  refrigerant
Refrigerants with a GWP of 2,200 or
								  greater
Prohibited as of January 1, 2022
(d) The following table lists prohibited
						substances or requirements as of their relevant dates:
Table 4: End-Use and Prohibited Substances or
						  Requirements.
General
								  End-Use
Specific
								  End-Use
Prohibited
								  Substances
Effective
								  Date
New Refrigeration Equipment, Stationary
								  (in New Facilities)
Retail Food Refrigeration
Refrigeration
								  equipment (new), containing more than 50 pounds
								  refrigerant
Refrigerants with a GWP of 150 or
								  greater
Prohibited as of January 1, 2022
Refrigeration Equipment, Stationary (in
								  Existing Facilities)
Companies owning or operating 20 or more retail
								  food facilities in California, and national supermarket chains operating in
								  California
Refrigeration equipment containing more than 50 pounds
								  refrigerant
Attain a company-wide weighted-average GWP of less than
								  2,500 or a 25% or greater reduction in GHGp below 2019 levels
December
								  31, 2026
Attain a company-wide
								  weighted-average GWP of less than 1,400 or a 55% or greater reduction in GHGp
								  below 2019 levels
January 1, 2030
Companies owning or operating fewer than 20
								  retail food facilities in California
Refrigeration equipment containing
								  more than 50 pounds refrigerant
Attain a company-wide weighted-average
								  GWP of less than 1,400 or a 55% or greater reduction in GHGp below 2019
								  levels
January 1, 2030
1. New
						  section filed 12-27-2018; operative 12-27-2018 pursuant to Government Code
						  section
						  11343.4(b)(3)
						  (Register 2018, No. 52).
2. Change without regulatory effect
						  adopting new subsection (b) and amending NOTE filed 1-3-2020 pursuant to
						  section 100, title 1, California Code of
						  Regulations (Register 2020, No. 1).
3. Amendment of section and NOTE
						  filed 12-29-2021; operative 1-1-2022 pursuant to Government Code section
						  11343.4(b)(3)
						  (Register 2021, No. 53). (Filing deadline specified in Government Code section
						  11349.3(a)
						  extended 60 calendar days pursuant to Executive Order
						  N-40-20.)
Note: Authority cited: Sections
							 38560,
							 38562,
							 39600,
							 39601,
							 39734
							 and
							 41511,
							 Health and Safety Code. Reference: Sections
							 38510,
							 38560,
							 38562,
							 38566,
							 38580,
							 39600,
							 39601,
							 39730,
							 39730.5,
							 39734
							 and
							 41511,
							 Health and Safety Code.