Maine Code § 38-1613

Hydrofluorocarbon use restrictions
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(REALLOCATED FROM TITLE 38, SECTION 1612)
1. Definitions. As used in this section, unless the context otherwise indicates, the following terms
have the following meanings.
A. "Aerosol propellant" means a liquefied or compressed gas, including, but not limited to, a
cosolvent that is used in whole or in part to expel a liquid or other material from a self-pressurized
container containing that liquid or other material or from a separate container. [PL 2021, c. 192,
§1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
B. "Air conditioning equipment" means chillers used exclusively for the comfort cooling of
occupied spaces. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
C. "Built-in household refrigerator or freezer" means a refrigerator, refrigerator-freezer or freezer
designed for residential use that:
(1) Has 7.75 cubic feet, or 220 liters, or greater total refrigerated volume and 24 inches or less
depth not including doors, handles and custom front panels;
(2) Has sides that are not finished and are not designed to be visible after installation;
(3) Is designed, intended and marketed exclusively to be installed completely encased by
cabinetry or panels that are attached during installation and securely fastened to adjacent
cabinetry, walls or flooring; and
(4) Is equipped with an integral factory-finished face or that accepts a custom front panel. [PL
2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
D. "Capital cost" means an expense incurred in the production of goods or in the rendering of
services, including, but not limited to, the cost of engineering; the cost of the purchase and
installation of components or systems and instrumentation; and contractor and construction fees.
[PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
E. "Centrifugal chiller" means air conditioning equipment that uses a centrifugal compressor in a
vapor-compression refrigeration cycle and is designed for comfort cooling. "Centrifugal chiller"
does not include air conditioning equipment used for industrial process cooling and refrigeration.
[PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
F. "Cold storage warehouse" means a cooled facility designed to store meat, produce, dairy
products and other products prior to the delivery of those products to other locations for sale to the
ultimate consumer. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]

G. "Compact household refrigerator or freezer" means a refrigerator, refrigerator-freezer or freezer
designed for residential use that has a total refrigerated volume of less than 7.75 cubic feet or 220
liters. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
H. "Component" means a part of a refrigeration system, including, but not limited to, a condensing
unit, compressor, condenser, evaporator or receiver and all of the refrigeration system's connections
and subassemblies without which the refrigeration system would not properly function or would be
subject to failure. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
I. "End use" means a process or class of specific applications within an industry sector. [PL 2021,
c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
J. "Flexible polyurethane" means a nonrigid synthetic foam containing polymers of urethane
radicals, including, but not limited to, foam used in furniture, bedding, chair cushions and shoe
soles. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
K. "Foam" means a product with a cellular structure, or a substance used to produce a product with
a cellular structure formed via a foaming process, including materials that undergo hardening via
chemical reaction or phase transition. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53
(RAL).]
L. "Heat pump" means a device designed for the comfort heating or cooling of residential or
commercial spaces, whether air sourced, water sourced or ground sourced, including, but not
limited to, a mini-split heat pump. “Heat pump” does not include air conditioning equipment. [PL
2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
M. "Household refrigerator or freezer" means a refrigerator, refrigerator-freezer, freezer or
miscellaneous residential refrigeration appliance that is designed for residential use. "Household
refrigerator or freezer" does not include a compact household refrigerator or freezer or a built-in
household refrigerator or freezer. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53
(RAL).]
N. "Integral skin polyurethane" means a self-skinning polyurethane foam, including, but not
limited to, foam used in automobile steering wheels and dashboards. [PL 2021, c. 192, §1
(NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
O. "Light duty vehicle" has the same meaning as "car" or "light duty truck" as defined in Title 5,
section 1812-E. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
P. "Metered dose inhaler" means a device that delivers a measured amount of medication as a mist
that an individual can inhale and that consists of a pressurized canister of medication in a case with
a mouthpiece. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
Q. "Miscellaneous residential refrigeration appliance" means a residential refrigeration appliance
that is smaller than a refrigerator, refrigerator-freezer or freezer and that is designed for residential
use, including, but not limited to, a cooler, a cooler compartment and a combination cooler-
refrigeration or cooler-freezer product. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53
(RAL).]
R. "New" means, with regard to a product or equipment:
(1) A product or equipment that is manufactured after the date of an applicable prohibition
under subsection 2; or
(2) Equipment that is substantially expanded or modified after the date of an applicable
prohibition under subsection 2 such that the capital cost of the expansion or modification
exceeds 50% of the cost of replacing the entire system of which that equipment is a part. [PL
2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]

S. "Phenolic insulation board" means phenolic insulation, including, but not limited to, insulation
used for roofing and walls. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
T. "Phenolic insulation bunstock" means phenolic insulation that is a large solid box-like structure
that can be cut into specific custom lengths and shapes. [PL 2021, c. 192, §1 (NEW); RR 2021,
c. 1, Pt. A, §53 (RAL).]
U. "Polyolefin" means foam sheets and tubes made of polyolefin. [PL 2021, c. 192, §1 (NEW);
RR 2021, c. 1, Pt. A, §53 (RAL).]
V. "Polystyrene extruded boardstock and billet" means a foam formed from styrene polymers that
is produced on extruding machines in the form of continuous foam slabs that can be cut and shaped
into panels to be used for insulation of roofing, walls, flooring and pipes. [PL 2021, c. 192, §1
(NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
W. "Polystyrene extruded sheet" means polystyrene foam including foam used for packaging and
buoyancy or flotation, including, but not limited to, foam made into food-service items, such as
hinged polystyrene containers, food trays, plates, bowls and retail egg containers. [PL 2021, c.
192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
X. "Positive displacement chiller" means a vapor compression cycle chiller that uses a positive
displacement compressor and is typically used for commercial comfort air conditioning. "Positive
displacement chiller" does not include a chiller used for industrial process cooling and refrigeration.
[PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
Y. "Refrigerant gas" or "refrigerant" means a substance, including blends and mixtures of
substances, that is used for heat transfer purposes. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1,
Pt. A, §53 (RAL).]
Z. "Refrigerated food processing and dispensing equipment" means retail food refrigeration
equipment that is designed to process and dispense food and beverages that are intended for
immediate or near-immediate consumption, including, but not limited to, chilled and frozen
beverages, ice cream and whipped cream. "Refrigerated food processing and dispensing
equipment" does not include water coolers or units designed to exclusively cool and dispense water.
[PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
AA. "Refrigeration equipment" means a stationary device that is designed to contain and use
refrigerant gas to establish or maintain colder than ambient temperatures in a confined space,
including, but not limited to, retail food refrigeration equipment, a household refrigerator or freezer
and a cold storage warehouse. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
BB. "Remote condensing unit" means retail food refrigeration equipment that has a central
condensing portion and may consist of one or more compressors, condensers or receivers
assembled into a single unit, which may be located outside a retail sales area, including, but not
limited to, such units that are commonly installed in convenience stores, specialty shops such as
bakeries or butcher shops, supermarkets, restaurants and other locations where food is stored,
served or sold. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
CC. "Residential use" means use by an individual of a substance, or a product containing a
substance, in or around a permanent or temporary household, during recreation or for any personal
use or enjoyment. "Residential use" does not include use within a household for commercial or
medical applications or use in automobiles, watercraft or aircraft. [PL 2021, c. 192, §1 (NEW);
RR 2021, c. 1, Pt. A, §53 (RAL).]
DD. "Retail food refrigeration equipment" means equipment designed to store and display chilled
or frozen goods for commercial sale, including, but not limited to, stand-alone units, refrigerated

food processing and dispensing equipment, remote condensing units, supermarket systems and
vending machines. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
EE. "Retrofit" means to replace the refrigerant contained in refrigeration equipment with a different
refrigerant, including, but not limited to, any related modifications to the refrigeration equipment
required to maintain its operation and reliability following refrigerant replacement. [PL 2021, c.
192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
FF. "Rigid polyurethane and polyisocyanurate laminated boardstock" means laminated board
insulation made with polyurethane or polyisocyanurate foam, including, but not limited to,
insulation for roofing and walls. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53
(RAL).]
GG. "Rigid polyurethane appliance foam" means polyurethane insulation foam used in domestic
appliances. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
HH. "Rigid polyurethane high-pressure 2-component spray foam" means a liquid polyurethane
foam system sold as 2 parts, such as an A side and a B side, in nonpressurized containers and that
is field-applied or factory-applied in situ using high-pressure proportioning pumps, to 800 to 1,600
pounds per square inch, and an application gun to mix and dispense the chemical components. [PL
2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
II. "Rigid polyurethane in commercial refrigeration" means polyurethane insulation for pipes,
walls and metal doors in retail food refrigeration equipment. [PL 2021, c. 192, §1 (NEW); RR
2021, c. 1, Pt. A, §53 (RAL).]
JJ. "Rigid polyurethane low-pressure 2-component spray foam" means a liquid polyurethane foam
system sold as 2 parts, such as an A side and a B side, in containers that are pressurized to less than
250 pounds per square inch during manufacture for application without pumps and that is typically
applied in situ relying upon a liquid blowing agent or gaseous blowing agent that also serves as a
propellant. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
KK. "Rigid polyurethane marine flotation foam" means buoyancy or flotation foam used in boat
and ship manufacturing for both structural and flotation purposes. [PL 2021, c. 192, §1 (NEW);
RR 2021, c. 1, Pt. A, §53 (RAL).]
LL. "Rigid polyurethane one-component foam sealant" means a polyurethane foam typically
packaged in aerosol cans that is applied in situ using a gaseous blowing agent that also serves as a
propellant for the aerosol formulation. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53
(RAL).]
MM. "Rigid polyurethane sandwich panels" means a polyurethane foam sandwiched between outer
structural layers and used to provide insulation in walls and doors, including for insulation in
commercial refrigeration equipment and garage doors. [PL 2021, c. 192, §1 (NEW); RR 2021,
c. 1, Pt. A, §53 (RAL).]
NN. "Rigid polyurethane slabstock" means a rigid closed-cell polyurethane foam formed into
slabstock insulation for panels and pipes. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A,
§53 (RAL).]
OO. "Stand-alone low-temperature unit" means a stand-alone unit that maintains food or beverages
at temperatures at or below 32 degrees Fahrenheit. [PL 2021, c. 192, §1 (NEW); RR 2021, c.
1, Pt. A, §53 (RAL).]
PP. "Stand-alone medium-temperature unit" means a stand-alone unit that maintains food or
beverages at temperatures above 32 degrees Fahrenheit. [PL 2021, c. 192, §1 (NEW); RR 2021,
c. 1, Pt. A, §53 (RAL).]

QQ. "Stand-alone unit" means a retail refrigerator, freezer or reach-in cooler, whether open or with
doors, that has fully integrated refrigeration components and a refrigeration circuit that may be
completely brazed or welded and that is fully charged with refrigerant during manufacture and
typically requires only an electricity supply to begin operation. [PL 2021, c. 192, §1 (NEW); RR
2021, c. 1, Pt. A, §53 (RAL).]
RR. "Substance" means any chemical or blend of chemicals intended for an end use listed in
subsection 2 or regulated by the department by rule adopted pursuant to subsection 6. [PL 2021,
c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
SS. "Supermarket system" means a multiplex or centralized retail food refrigeration equipment
system that is designed to cool or refrigerate and that operates using racks of compressors installed
in a machinery room, including both a direct and an indirect system. [PL 2021, c. 192, §1 (NEW);
RR 2021, c. 1, Pt. A, §53 (RAL).]
TT. "Use," with regard to a substance, includes, but is not limited to, consumption, incorporation
or inclusion in a manufacturing process or product in the State; consumption for an end use in the
State; and consumption, incorporation or inclusion in an intermediate application in the State, such
as formulation or packaging for other subsequent applications. "Use" does not include residential
use but does include manufacturing for the purpose of residential use. [PL 2021, c. 192, §1
(NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
UU. "Vending machine" means self-contained retail food refrigeration equipment that dispenses
goods that must be kept cold or frozen. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A,
§53 (RAL).]
[PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
2. Prohibitions. Except as provided in subsection 3 and in accordance with rules adopted by the
department pursuant to this section, a person may not sell, lease, rent, install or enter into commerce in
the State any product or equipment that uses or will use the following specified substances that are
hydrofluorocarbons with high global warming potential for the following specified air conditioning,
refrigeration, foam or aerosol propellant end uses.
A. Beginning January 1, 2022:
(1) For aerosol propellants in new products, the following substances are prohibited: HFC-
125, HFC-134a, HFC-227ea and blends of HFC-227ea and HFC-134a;
(2) For new compact household refrigerators or freezers, the following substances are
prohibited: 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;
(3) For retrofitted supermarket systems, the following substances are prohibited: R-404A, R-
407B, R-421B, R-422A, R-422C, R-422D, R-428A, R-434A and R-507A;
(4) For new supermarket systems, the following substances are prohibited: HFC-227ea, R-
404A, R-407B, R-421B, R-422A, R-422C, R-422D, R-428A, R-434A and R-507A;
(5) For retrofitted remote condensing units, the following substances are prohibited: R-404A,
R-407B, R-421B, R-422A, R-422C, R-422D, R-428A, R-434A and R-507A;
(6) For new remote condensing units, the following substances are prohibited: HFC-227ea, R-
404A, R-407B, R-421B, R-422A, R-422C, R-422D, R-428A, R-434A and R-507A;
(7) For retrofitted stand-alone units, the following substances are prohibited: R-404A and R-
507A;

(8) For new stand-alone medium-temperature units, the following substances are prohibited:
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 and
THR-03;
(9) For new stand-alone low-temperature units, the following substances are prohibited: 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 and RS-44 (2003 formulation);
(10) For new refrigerated food processing and dispensing equipment, the following substances
are prohibited: 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 and RS-44
(2003 formulation);
(11) For retrofitted vending machines, the following substances are prohibited: R-404A and
R-507A;
(12) For new rigid polyurethane and polyisocyanurate laminated boardstock, the following
substances are prohibited: HFC-134a, HFC-245fa, HFC-365mfc and any blends of those
substances;
(13) For new flexible polyurethane, the following substances are prohibited: HFC-134a, HFC-
245fa, HFC-365mfc and any blends of those substances;
(14) For new integral skin polyurethane, the following substances are prohibited: HFC-134a,
HFC-245fa, HFC-365mfc and any blends of those substances; Formacel TI; and Formacel Z-
6;
(15) For new polystyrene extruded sheet, the following substances are prohibited: HFC-134a,
HFC-245fa, HFC-365mfc and any blends of those substances; Formacel TI; and Formacel Z-
6;
(16) For new phenolic insulation board and new phenolic insulation bunstock, the following
substances are prohibited: HFC-143a, HFC-134a, HFC-245fa, HFC-365mfc and any blends of
those substances;
(17) For new rigid polyurethane slabstock and other new rigid polyurethane, the following
substances are prohibited: HFC-134a, HFC-245fa, HFC-365mfc and any blends of those
substances; Formacel TI; and Formacel Z-6;
(18) For new rigid polyurethane appliance foam, the following substances are prohibited:
HFC-134a, HFC-245fa, HFC-365mfc and any blends of those substances; Formacel TI; and
Formacel Z-6;
(19) For new rigid polyurethane in commercial refrigeration and new rigid polyurethane
sandwich panels, the following substances are prohibited: HFC-134a, HFC-245fa, HFC-
365mfc and any blends of those substances; Formacel TI; and Formacel Z-6;
(20) For new polyolefin, the following substances are prohibited: HFC-134a, HFC-245fa,
HFC-365mfc and any blends of those substances; Formacel TI; and Formacel Z-6;
(21) For new rigid polyurethane one-component foam sealants, the following substances are
prohibited: HFC-134a, HFC-245fa and any blends of those substances; blends of HFC-365mfc
with 4% or more HFC-245fa; commercial blends of HFC-365mfc with 7% to 13% HFC-227ea
and the remainder HFC-365mfc; and Formacel TI;

(22) For new household refrigerators or freezers, the following substances are prohibited:
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;
(23) For new vending machines, the following substances are prohibited: 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) and SP34E;
(24) For new rigid polyurethane marine flotation foam, the following substances are
prohibited: HFC-134a, HFC-245fa, HFC-365mfc and any blends of those substances;
Formacel TI; and Formacel Z-6;
(25) For new polystyrene extruded boardstock and billet, the following substances are
prohibited: HFC-134a, HFC-245fa, HFC-365mfc and any blends of those substances;
Formacel TI; Formacel B; and Formacel Z-6;
(26) For new rigid polyurethane high-pressure 2-component spray foam, the following
substances are prohibited: HFC-134a, HFC-245fa and any blends of those substances; blends
of HFC-365mfc with 4% or more HFC-245fa; commercial blends of HFC-365mfc with 7% to
13% HFC-227ea and the remainder HFC-365mfc; and Formacel TI; and
(27) For new rigid polyurethane low-pressure 2-component spray foam, the following
substances are prohibited: HFC-134a, HFC-245fa and any blends of those substances; blends
of HFC-365mfc with 4% or more HFC-245fa; commercial blends of HFC-365mfc with 7% to
13% HFC-227ea and the remainder HFC-365mfc; and Formacel TI. [PL 2021, c. 192, §1
(NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
B. Beginning January 1, 2023:
(1) For new cold storage warehouses, the following substances are prohibited: 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); and
(2) For new built-in household refrigerators or freezers, the following substances are
prohibited: 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. [PL 2021, c. 192, §1 (NEW);
RR 2021, c. 1, Pt. A, §53 (RAL).]
C. Beginning January 1, 2024:
(1) For new centrifugal chillers, the following substances are prohibited: 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) and THR-03; and
(2) For new positive displacement chillers, the following substances are prohibited: 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 and THR-03. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A,
§53 (RAL).]
[PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
3. Exemptions. In accordance with rules adopted by the department pursuant to this section, the
following exemptions apply to the prohibitions in subsection 2.
A. Except in the case of retrofitted products or equipment regulated under this section, the
prohibitions in this section do not apply to the use of a product or equipment regulated under this
section that is acquired by a person prior to the date of an applicable prohibition under subsection
2 on the selling, leasing, renting, installing or entering into commerce in the State of that product
or equipment. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
B. A product or equipment regulated under this section that is manufactured prior to the date of an
applicable prohibition under subsection 2 on the selling, leasing, renting, installing or entering into
commerce in the State of that product or equipment may be sold in, imported into, exported from,
distributed in, installed in and used in the State after that date. [PL 2021, c. 192, §1 (NEW); RR
2021, c. 1, Pt. A, §53 (RAL).]
C. The department may approve a waiver request submitted by a person to allow that person to
sell, lease, rent, install or enter into commerce in the State for a period of not more than 2 years a
product or equipment that is otherwise prohibited from sale, lease, rental, installation or entry into
commerce pursuant to this section and the rules adopted pursuant to this section. The department
shall adopt rules establishing the process by which a person may submit such a waiver request and
the criteria to be used by the department in assessing and approving or denying such waiver
requests. The department shall require a person submitting such a waiver request to pay to the
department a reasonable fee to cover the department's costs in assessing and approving or denying
such waiver requests. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
D. Heat pumps are not subject to the prohibitions in this section. [PL 2021, c. 192, §1 (NEW);
RR 2021, c. 1, Pt. A, §53 (RAL).]
E. The following end uses of the substance HFC-134a are not subject to the prohibitions in this
section:
(1) As an aerosol propellant in new cleaning products designed to remove grease, flux and
other soils from electrical equipment;
(2) For new refrigerant flushes;
(3) In a new product for sensitivity testing of smoke detectors;
(4) As a new lubricant or freeze spray for electrical equipment or electronics;
(5) As a new spray for aircraft maintenance purposes;
(6) As a new spray containing corrosion preventive compounds that is used in the maintenance
of aircraft, electrical equipment, electronics or military equipment;
(7) As a new pesticide for use near electrical wires, in aircraft, in total release insecticide
foggers or in certified organic use pesticides for which the federal Environmental Protection
Agency has specifically disallowed all other lower global warming potential propellants;
(8) As a new mold release agent or mold cleaner;
(9) As a new lubricant or cleaner for spinnerets for synthetic fabrics;
(10) As a new duster spray specifically used for the removal of dust from photographic
negatives, semiconductor chips, specimens under electron microscopes and energized electrical
equipment;

(11) As a new adhesive or sealant in canisters for commercial use;
(12) As a new document preservation spray;
(13) As a new wound care spray, new topical cooling spray for pain relief or new product for
removing bandage adhesives from skin; and
(14) As a new air conditioning refrigerant for military marine vessels when the department has
determined that reasonable efforts have been made to ascertain that other alternatives are not
technically feasible due to performance or safety requirements. [PL 2021, c. 192, §1 (NEW);
RR 2021, c. 1, Pt. A, §53 (RAL).]
F. The substances HFC-134a and HFC-227ea and blends of HFC-227ea and HFC-134a are not
subject to the prohibitions in this section when used as an aerosol propellant for new metered dose
inhalers approved by the United States Department of Health and Human Services, Food and Drug
Administration for medical purposes. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53
(RAL).]
G. The substances HFC-134a and R-404A are not subject to the prohibitions in this section when
used as a new air conditioning refrigerant in spacecraft intended for human occupancy and related
support equipment when the department has determined that reasonable efforts have been made to
ascertain that other alternatives are not technically feasible due to performance or safety
requirements. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
H. Until January 1, 2025, the prohibitions in this section do not apply to:
(1) New foams, excluding rigid polyurethane one-component foam sealants, when used in
space-related and aeronautics-related applications when the department has determined that
reasonable efforts have been made to ascertain that other alternatives are not technically
feasible due to performance or safety requirements; and
(2) New rigid polyurethane high-pressure 2-component spray foams and new rigid
polyurethane low-pressure 2-component spray foams, when used in military or space-related
and aeronautics-related applications when the department has determined that reasonable
efforts have been made to ascertain that other alternatives are not technically feasible due to
performance or safety requirements. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A,
§53 (RAL).]
I. Any product or equipment the end use of which is regulated under this section is exempt from
the prohibitions in this section and the rules adopted pursuant to this section if such state regulation
of the product or equipment is preempted by federal statute or regulation, so long as that federal
preemption remains in effect. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
[PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
4. Record keeping. In accordance with rules adopted by the department pursuant to this section,
a person that manufactures for sale or entry into commerce in the State a product or equipment regulated
under this section shall maintain for 5 years, and shall make available to the department upon request,
records sufficient to demonstrate that the product or equipment does not contain any substances
prohibited for an applicable end use regulated under this section or that the product or equipment is
exempt from the prohibitions in this section pursuant to subsection 3.
[PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
5. Venting prohibition. In accordance with rules adopted by the department, a person may not
intentionally or knowingly vent or otherwise release into the environment any prohibited substance
identified pursuant to subsection 2 when maintaining, servicing, repairing or disposing of a product or
equipment regulated under this section that was sold, leased, rented, installed or entered into commerce
in the State prior to the date of an applicable prohibition under subsection 2 for that product or

equipment. The prohibition under this subsection does not apply to a person who causes such a release
if that release is de minimis and the person caused the release while engaged in a good faith attempt to
recycle or recover the prohibited substance in a product or equipment regulated under this section.
[PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
6. Rulemaking. The department shall adopt rules to implement this section. Rules adopted
pursuant to this section are routine technical rules as defined in Title 5, chapter 375, subchapter 2-A.
A. In its initial adoption of rules to implement this section, the department may not regulate a
substance or end use not specifically identified in this section. Subsequent to that initial adoption
of rules, the department may amend its adopted rules to regulate or exempt, consistent with this
section, substances that are hydrofluorocarbons with high global warming potential and air
conditioning, refrigeration, foam or aerosol propellant end uses that are not specifically identified
in this section or for other purposes consistent with this section. [PL 2021, c. 192, §1 (NEW);
RR 2021, c. 1, Pt. A, §53 (RAL).]
B. Prior to adopting or amending rules to implement this section, the department shall consult with
the Department of Public Safety, Office of the State Fire Marshal regarding the effects of any
proposed rules on safety-related requirements and restrictions in state or local building codes and
in other related state laws and rules. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53
(RAL).]
C. The department may not adopt by rule a prohibition pursuant to this section that is applicable
to new light duty vehicles unless a substantially similar prohibition has been adopted in another
state and is in effect in that other state. [PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53
(RAL).]
D. If, pursuant to the federal Clean Air Act, 42 United States Code, Section 7671k, the United
States Environmental Protection Agency approves a hydrofluorocarbon blend with a global
warming potential of 750 or less for foam blowing of polystyrene extruded boardstock and billet
or rigid polyurethane low-pressure 2-component spray foam, the department may initiate
rulemaking to amend its rules adopted pursuant to this section to address that federal action. [PL
2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
[PL 2021, c. 192, §1 (NEW); RR 2021, c. 1, Pt. A, §53 (RAL).]
REVISOR'S NOTE: §1613. Appliance and product efficiency standards (As enacted by PL 2021, c.
433, §1 is REALLOCATED TO TITLE 38, SECTION 1616)

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