Cal. Code Regs. tit. 17 § 95374

Current through Register 2024 Notice Reg. No. 36, September 6, 2024

Section 95374 - List of Prohibited Substances

(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

Cal. Code Regs. Tit. 17, § 95374

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.

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.)