Sec. 26.11.33.03. List of Prohibited Substances

A. The table under §B of this regulation lists prohibited substances in specific end-uses and the applicable effective date of prohibition, unless an exemption is provided for in §C of this regulation. The prohibitions do not apply to products or equipment manufactured for listed end-uses prior to an applicable effective date.

B. Table 1 - End-Use and Prohibited Substances.

End-use Category: Aerosol Propellants
End-Use	Prohibited Substances	Effective Date
Aerosol propellants	HFC-125, HFC-134a, HFC-227ea and blends of HFC-227ea and HFC‑134a	January 1, 2021
End-use Category: Air Conditioning
End-Use	Prohibited Substances	Effective Date
Centrifugal chillers (new)	FOR12A, FOR12B, HFC-134a, HFC-227ea, HFC-236fa, HFC245fa, R-125/ 134a/ 600a (28.1/70/1.9), 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-423A, R-424A, R-434A, R438A, R-507A, RS-44 (2003 composition), THR-03	January 1, 2024
Positive displacement chillers (new)	FOR12A, FOR12B, HFC-134a, HFC-227ea, KDD6, R125/ 134a/ 600a (28.1/70/1.9), 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-424A, R-434A, R-437A, R438A, R-507A, RS-44 (2003 composition), SP34E, THR-03	January 1, 2024
End-use Category: Refrigeration
End-Use	Prohibited Substances	Effective Date
Cold storage warehouses (new)	HFC‑227ea, R‑125/290/134a/600a (55.0/1.0/42.5/1.5), R404A, R‑407A, R‑407B, R‑410A, R‑410B, R‑417A, R‑421A, R421B, R‑422A, R‑422B, R‑422C, R‑422D, R‑423A, R‑424A, R428A, R‑434A, R‑438A, R‑507A, RS‑44 (2003 composition)	January 1, 2023
Household refrigerators and freezers (new)	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, R424A, R‑426A, R‑428A, R‑434A, R‑437A, R‑438A, R‑507A, RS24 (2002 formulation), RS‑44 (2003 formulation), SP34E, THR-03	January 1, 2022
Household refrigerators and freezers-compact (new)	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, R424A, R‑426A, R‑428A, R‑434A, R‑437A, R‑438A, R‑507A, RS24 (2002 formulation), RS‑44 (2003 formulation), SP34E, THR-03	January 1, 2021
Household refrigerators and freezers-built-in appliances (new)	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, R424A, R‑426A, R‑428A, R‑434A, R‑437A, R‑438A, R‑507A, RS24 (2002 formulation), RS‑44 (2003 formulation), SP34E, THR-03	January 1, 2023
Supermarket systems (retrofit)	R‑404A, R‑407B, R‑421B, R‑422A, R‑422C, R‑422D, R428A, R‑434A, R‑507A	January 1, 2021
Supermarket systems (new)	HFC‑227ea, R‑404A, R‑407B, R‑421B, R‑422A, R‑422C, R‑422D, R‑428A, R‑434A, R‑507A	January 1, 2021
Remote condensing units (retrofit)	R‑404A, R‑407B, R‑421B, R‑422A, R‑422C, R‑422D, R428A, R‑434A, R‑507A	January 1, 2021
Remote condensing units (new)	HFC‑227ea, R‑404A, R‑407B, R‑421B, R‑422A, R‑422C, R‑422D, R‑428A, R‑434A, R‑507A	January 1, 2021
Stand-alone units (retrofit)	R‑404A, R‑507A	January 1, 2021
Stand-alone medium-temperature units (new)	FOR12A, FOR12B, HFC‑134a, HFC‑227ea, KDD6, R125/290/134a/600a (55.0/1.0/42.5/1.5), R‑404A, R407A, R‑407B, R‑407C, R‑407F, R‑410A, R‑410B, R417A, R‑421A, R‑421B, R‑422A, R‑422B, R‑422C, R422D, R‑424A, R‑426A, R‑428A, R‑434A, R‑437A, R438A, R‑507A, RS‑24 (2002 formulation), RS‑44 (2003 formulation), SP34E, THR-03	January 1, 2021
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, R422A, R‑422B, R‑422C, R‑422D, R‑424A, R‑428A, R434A, R‑437A, R‑438A, R‑507A, RS‑44 (2003 formulation)	January 1, 2021
Refrigerated food processing and dispensing equipment (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, R417A, R‑421A, R‑421B, R‑422A, R‑422B, R‑422C, R‑422D, R424A, R‑428A, R‑434A, R‑437A, R‑438A, R‑507A, RS‑44 (2003 formulation)	January 1, 2021
Vending machines (retrofit)	R‑404A, R‑507A	January 1, 2021
Vending machines (new)	FOR12A, FOR12B, HFC‑134a, KDD6, R125/290/134a/600a (55.0/1.0/42.5/1.5), R‑404A, R407C, R‑410A, R‑410B, R‑417A, R‑421A, R‑422B, R422C, R‑422D, R‑426A, R‑437A, R‑438A, R‑507A, RS‑24 (2002 formulation), SP34E	January 1, 2022
End-use Category: Foams
End-Use	Prohibited Substances	Effective Date
Rigid polyurethane and polyisocyanurate laminated boardstock	HFC‑134a, HFC‑245fa, HFC‑365mfc, and blends thereof	January 1, 2021
Flexible polyurethane	HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof	January 1, 2021
Integral skin polyurethane	HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof;  Formacel TI, Formacel Z-6	January 1, 2021
Polystyrene extruded sheet	HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof; Formacel TI, Formacel Z-6	January 1, 2021
Phenolic insulation board and bunstock	HFC-143a, HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof	January 1, 2021
Rigid polyurethane slabstock and other	HFC-134a, HFC-245fa, HFC-365mfc and blends thereof; Formacel TI, Formacel Z-6	January 1, 2021
Rigid polyurethane appliance foam	HFC-134a, HFC-245fa, HFC-365mfc and blends thereof; Formacel TI, Formacel Z-6	January 1, 2021
Rigid polyurethane commercial refrigeration and sandwich panels	HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof;  Formacel TI, Formacel Z-6	January 1, 2021
Polyolefin	HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof;  Formacel TI, Formacel Z-6	January 1, 2021
Rigid polyurethane marine flotation foam	HFC-134a, HFC-245fa, HFC-365mfc and blends thereof; Formacel TI, Formacel Z-6	January 1, 2021
Polystyrene extruded boardstock and billet (XPS)	HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof; Formacel TI, Formacel B, Formacel Z-6	July 1, 2021
Rigid polyurethane (PU) high-pressure two-component spray foam	HFC-134a, HFC-245fa, and blends thereof; blends of HFC365mfc with at least 4 percent HFC-245fa, and commercial blends of HFC-365mfc with 7 to 13 percent HFC-227ea and the remainder HFC-365mfc; Formacel TI	July 1, 2021
Rigid polyurethane (PU) low-pressure two-component spray foam	HFC-134a, HFC-245fa, and blends thereof; blends of HFC365mfc with at least 4 percent HFC-245fa, and commercial blends of HFC-365mfc with 7 to 13 percent HFC-227ea and the remainder HFC-365mfc; Formacel TI	July 1, 2021
Rigid polyurethane (PU) one-component foam sealants	HFC-134a, HFC-245fa, and blends thereof; blends of HFC365mfc with at least 4 percent HFC-245fa, and commercial blends of HFC-365mfc with 7 to 13 percent HFC-227ea and the remainder HFC-365mfc; Formacel TI	July 1, 2021

C. Table 2 - HFC Prohibition Exemptions. The following table lists exemptions to the prohibitions in §B of this regulation.

End-Use Category	Prohibited Substances	Acceptable Uses
Aerosol propellants	HFC-134a	Cleaning products for removal of grease, flux, and other soils from electrical equipment; refrigerant flushes; products for sensitivity testing of smoke detectors; lubricants and freeze sprays for electrical equipment or electronics; sprays for aircraft maintenance; sprays containing corrosion preventive compounds used in the maintenance of aircraft, electrical equipment or electronics, or military equipment; pesticides for use near electrical wires, in aircraft, in total release insecticide foggers, or in certified organic use pesticides for which EPA has specifically disallowed all other lower-GWP propellants; mold release agents and mold cleaners; lubricants and cleaners for spinnerettes for synthetic fabrics; duster sprays specifically for removal of dust from photographic negatives, semiconductor chips, specimens under electron microscopes, and energized electrical equipment; adhesives and sealants in large canisters; document preservation sprays; FDA-approved MDIs for medical purposes; wound care sprays; topical coolant sprays for pain relief; and products for removing bandage adhesives from skin.
Aerosol propellants	HFC-227ea and blends of HFC-227ea and HFC‑134a	FDA-approved MDIs for medical purposes.
Air conditioning	HFC-134a	Military marine vessels where reasonable efforts have been made to ascertain that other alternatives are not technically feasible due to performance or safety requirements.
Air conditioning	HFC-134a and R-404A	Human-rated spacecraft and related support equipment where reasonable efforts have been made to ascertain that other alternatives are not technically feasible due to performance or safety requirements.
Foams - except rigid polyurethane (PU) spray foam	All substances	Military applications where reasonable efforts have been made to ascertain that other alternatives are not technically feasible due to performance or safety requirements until January 1, 2022.
Foams - except rigid polyurethane (PU) spray foam	All substances	Space- and aeronautics-related applications where reasonable efforts have been made to ascertain that other alternatives are not technically feasible due to performance or safety requirements until January 1, 2025.
Rigid polyurethane (PU) two-component spray foam	All substances	Military or space- and aeronautics-related applications where reasonable efforts have been made to ascertain that other alternatives are not technically feasible due to performance or safety requirements until January 1, 2025.