Cal. Code Regs. tit. 17, § 95374
(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 ≤ +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 ≤ -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
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.
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.)