Table 1: Exemptions
End-Use Category | Prohibited Substances | Acceptable Uses |
Aerosol Propellants | HFC-134a | Cleaning products for removal of grease, flux and other soils from electrical equipment or electronics; 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; sprays for aerospace manufacturing and rework operations; 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. |
250 R.I. Code R. 250-RICR-120-05-53.5