Washington Administrative Code › Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508) › Chapter 173-443 - Hydrofluorocarbons (HFCs) and other fluorinated greenhouse gases › Part I - PROHIBITIONS ON THE USE OF CERTAIN HYDROFLUOROCARBONS › Section 173-443-040 - List of prohibited substances

Current through Register Vol. 24-14, July 15, 2024
(1) Table 1 in this
				section lists prohibited substances in new products and equipment, as defined
				in WAC 173-443-030, and the effective
				date of the prohibition, unless an exemption is provided for in WAC
				173-443-050.
TABLE 1. Prohibited Substances for New Products and
				  Equipment
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, 2020
End-Use Category: Air
							 Conditioning
End-Use
Prohibited
							 Substances
Effective
							 Date
Centrifugal chillers - Cooling only (New)
FOR12A, FOR12B, HFC-134a, HFC-227ea, HFC-236fa,
							 HFC-245fa, 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, R-438A, R-507A, RS-44 (2003
							 composition), THR-03
January 1, 2024
Positive displacement chillers - Cooling only
							 (New)
FOR12A, FOR12B, HFC-134a, HFC-227ea, KDD6,
							 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-424A, R-434A,
							 R-437A, R-438A, R-507A, RS-44 (2003 composition), SP34E, THR-03
January 1, 2024
Centrifugal chillers - Heating and heating and
							 cooling (New)
FOR12A, FOR12B, HFC-134a, HFC-227ea, HFC-236fa,
							 HFC-245fa, 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, R-438A, R-507A, RS-44 (2003
							 composition), THR-03
January 1, 2025
Positive displacement chillers - Heating and heating
							 and cooling (New)
FOR12A, FOR12B, HFC-134a, HFC-227ea, KDD6,
							 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-424A, R-434A,
							 R-437A, R-438A, R-507A, RS-44 (2003 composition), SP34E, THR-03
January 1, 2025
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),
							 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, 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, 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
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, 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
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, 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
January 1, 2023
Supermarket systems (Retrofit)
R-404A, R-407B, R-421B, R-422A, R-422C, R-422D,
							 R-428A, R-434A, R-507A
January 1, 2020
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, 2020
Remote condensing units, except for automatic
							 commercial ice machines (Retrofit)
R-404A, R-407B, R-421B, R-422A, R-422C, R-422D,
							 R-428A, R-434A, R-507A
January 1, 2020
Remote condensing units, except for automatic
							 commercial ice machines (New)
HFC-227ea, R-404A, R-407B, R-421B, R-422A, R-422C,
							 R-422D, R-428A, R-434A, R-507A
January 1, 2020
Automatic commercial ice machines - Remote condensing
							 units (New and retrofit)
R-404A, R-507, R-507A, R-428A, R-422C, R-434A,
							 R-421B, R-408A, R-422A, R-407B, R-402A, R-422D, R-421A,
							 R-125/R-290/R-134a/R-600a (55.0/1.0/42.5/1.5), R-422B, R-424A, R-402B, GHG-X5,
							 R-417A, R-438A, and R-410B
January 1, 2025
Stand-alone units, except for automatic commercial
							 ice machines (Retrofit)
R-404A, R-507A
January 1, 2020
Stand-alone medium-temperature units (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
January 1, 2020
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)
January 1, 2020
Automatic commercial ice machines - Stand-alone units
							 (New and retrofit)
R-404A, R-507, R-507A, R-428A, R-422C, R-434A,
							 R-421B, R-408A, R-422A, R-407B, R-402A, R-422D, R-421A,
							 R-125/R-290/R-134a/R-600a (55.0/1.0/42.5/1.5), R-422B, R-424A, R-402B, GHG-X5,
							 R-417A, R-438A, R-410B, R-407A, R-410A, R-442A, R-417C, R-407F, R-437A, R-407C,
							 RS-24 (2004 formulation), and HFC-134a
January 1, 2025
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,
							 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)
January 1, 2021
Vending machines (Retrofit)
R-404A, R-507A
January 1, 2022
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
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, 2020
Flexible polyurethane
HFC-134a, HFC-245fa, HFC-365mfc, and blends
							 thereof
January 1, 2020
Integral skin polyurethane
HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof;
							 Formacel TI, Formacel Z-6
January 1, 2020
Polystyrene extruded sheet
HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof;
							 Formacel TI, Formacel Z-6
January 1, 2020
Phenolic insulation board and bunstock
HFC-143a, HFC-134a, HFC-245fa, HFC-365mfc, and blends
							 thereof
January 1, 2020
Rigid polyurethane slabstock and other
HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof;
							 Formacel TI, Formacel Z-6
January 1, 2020
Rigid polyurethane appliance foam
HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof;
							 Formacel TI, Formacel Z-6
January 1, 2020
Rigid polyurethane commercial refrigeration and
							 sandwich panels
HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof;
							 Formacel TI, Formacel Z-6
January 1, 2020
Polyolefin
HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof;
							 Formacel TI, Formacel Z-6
January 1, 2020
Rigid polyurethane marine flotation foam
HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof;
							 Formacel TI, Formacel Z-6
January 1, 2020
Polystyrene extruded boardstock and billet
							 (XPS)
HFC-134a, HFC-245fa, HFC-365mfc, and blends thereof;
							 Formacel TI, Formacel B, Formacel Z-6
January 1, 2021
Rigid polyurethane high-pressure two-component spray
							 foam
HFC-134a, HFC-245fa, and blends thereof; blends of
							 HFC-365mfc 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
January 1, 2020
Rigid polyurethane low-pressure two-component spray
							 foam
HFC-134a, HFC-245fa, and blends thereof; blends of
							 HFC-365mfc 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
January 1, 2021
Rigid polyurethane one-component foam sealants
HFC-134a, HFC-245fa, and blends thereof; blends of
							 HFC-365mfc 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
January 1, 2020
(2)
				Table 2 in this section lists prohibited substances in new or retrofit
				refrigeration equipment, as defined in WAC
				173-443-030, with a full charge
				of more than 50 pounds and the effective date of the prohibition, unless an
				exemption is provided for in WAC
				173-443-050.
TABLE 2. Prohibited Substances for New or Retrofit
				  Refrigeration Equipment
End-Use
Criteria
Prohibited
							 Substances
Effective Date
Commercial refrigeration:
Retail food refrigeration including chillers
							 (New)
New refrigeration equipment with a full charge of
							 more than 50 pounds of refrigerant
Refrigerants with a GWP greater than 150
January 1, 2025
Commercial refrigeration:
Retail food refrigeration including chillers
							 (Retrofit)
Retrofit refrigeration equipment with a full charge
							 of more than 50 pounds of refrigerant
Refrigerants with a GWP greater than 150
January 1, 2029
Commercial refrigeration:
Cold storage warehouses (New)
New refrigeration equipment with a full charge of
							 more than 50 pounds of refrigerant
Refrigerants with a GWP greater than 150
January 1, 2025
Commercial refrigeration:
Cold storage warehouses (Retrofit)
Retrofit refrigeration equipment with a full charge
							 of more than 50 pounds of refrigerant
Refrigerants with a GWP greater than 150
January 1, 2029
Industrial process refrigeration excluding chillers
							 (New)
New refrigeration equipment with a full charge of
							 more than 50 pounds of refrigerant
Refrigerants with a GWP greater than 150
January 1, 2025
Industrial process refrigeration excluding chillers
							 (Retrofit)
Retrofit refrigeration equipment with a full charge
							 of more than 50 pounds of refrigerant
Refrigerants with a GWP greater than 150
January 1, 2029
Chillers used for industrial process refrigeration
							 (New)
New refrigeration equipment with a full charge of
							 more than 50 pounds of refrigerant
Refrigerants with a GWP greater than 750
January 1, 2025
Chillers used for industrial process refrigeration
							 (Retrofit)
Retrofit refrigeration equipment with a full charge
							 of more than 50 pounds of refrigerant
Refrigerants with a GWP greater than 750
January 1, 2029
Ice rinks including chillers (New)
New refrigeration equipment with a full charge of
							 more than 50 pounds of refrigerant
Refrigerants with a GWP greater than 150
January 1, 2024
Ice rinks including chillers (Retrofit)
Retrofit refrigeration equipment with a full charge
							 of more than 50 pounds of refrigerant
Refrigerants with a GWP greater than 750
January 1, 2024
(3)
				Table 3 in this section lists prohibited substances in new or retrofit air
				conditioning equipment, as defined in WAC
				173-443-030, and the effective
				date of the prohibition, unless an exemption is provided for in WAC
				173-443-050.
TABLE 3. Prohibited Substances for New or Retrofit Air
				  Conditioning Equipment
End-Use
Criteria
Prohibited
							 Substances
Effective Date
Room air conditioners and residential dehumidifiers
							 (New)
New air conditioning equipment
Refrigerants with a GWP greater than 750
January 1, 2024
Room air conditioners and residential dehumidifiers
							 (Retrofit)
Retrofit air conditioning equipment
Refrigerants with a GWP greater than 750
January 1, 2029
Other types of air conditioning equipment used in
							 residential and nonresidential applications (New)
New air conditioning equipment
Refrigerants with a GWP greater than 750
January 1, 2026, if UL 60335-2-40 Edition 4 is
							 adopted by the Washington state building code council by December 31, 2023;
							 otherwise 24 months following adoption of the updated code
Other types of air conditioning equipment used in
							 residential and nonresidential applications (Retrofit)
Retrofit air conditioning equipment
Refrigerants with a GWP greater than 750
January 1, 2029
Variable refrigerant flow (VRF) or volume system
							 (New)
New air conditioning equipment
Refrigerants with a GWP greater than 750
January 1, 2026
Variable refrigerant flow (VRF) or volume system
							 (Retrofit)
Retrofit air conditioning equipment
Refrigerants with a GWP greater than 750
January 1, 2029
(4)
				Table 4 in this section lists prohibited substances in small containers of
				refrigerant and nonessential consumer products, as the terms are defined in WAC
				173-443-030, and the effective
				date of the prohibition.
TABLE 4. Prohibited Substances for Small Containers of
				  Refrigerant and Nonessential Consumer Products
End-Use
Prohibited
							 Substances
Effective Date
Small containers of refrigerant
Substitutes with a GWP greater than 150
July 25, 2021
Nonessential consumer products
Substitutes with a GWP greater than 150
July 25, 2021