Phaseout of Ozone-Depleting Substances (ODS) | US EPA

Class I substances, such as chlorofluorocarbons (CFCs) and halons, have a higher ozone depletion potential and have been phased out in the ... Skiptomaincontent Officialwebsitesuse.gov A.govwebsitebelongstoanofficialgovernmentorganizationintheUnitedStates. Secure.govwebsitesuseHTTPS Alock(LockAlockedpadlock)orhttps://meansyou’vesafelyconnectedtothe.govwebsite.Sharesensitiveinformationonlyonofficial,securewebsites. ContactUs PhaseoutofOzone-DepletingSubstances(ODS) IntheUnitedStates,ozone-depletingsubstances(ODS)areregulatedasclassIorclassIIcontrolledsubstances.ClassIsubstances,suchaschlorofluorocarbons(CFCs)andhalons, haveahigherozonedepletionpotential andhavebeenphasedoutintheU.S.;withafewexceptions,thismeansnoonecanproduceorimportclassIsubstances.ClassIIsubstancesareallhydrochlorofluorocarbons(HCFCs),whicharetransitionalsubstitutesformanyclassIsubstances.NewproductionandimportofmostHCFCswerephasedoutasof 2020.ThemostcommonHCFCinusetodayisHCFC-22orR-22,arefrigerantstillusedinexistingairconditionersandrefrigerationequipment.  LearnaboutthePhaseout Whatisthe“Phaseout”? ClassIODS ClassIIODS Producing,Importing,andExporting Importing Labeling RecordkeepingandReporting HCFCAllowanceSystem DestructionTechnologies Consumers,EquipmentOwnersand Operators BasicInformation StationaryRefrigerationandAirConditioning MotorVehicleAirConditioning ExemptionstothePhaseout MethylBromide EssentialUses (Metered-DoseInhalers) LaboratoryandAnalytical Uses HalonsProgram EmissionsStandards InformationAbouttheAmericanInnovationandManufacturing(AIM)Actof2020 Newwebarea: ProtectingOurClimatebyReducingUseofHFCs. 2020OzoneLayerProtectionMilestones Explorehowsuccessfulozonelayerprotectionisapartofoureverydaylife What'sNew ProposedRule–StandardsRelatedtotheManufactureofClassIIOzone-DepletingSubstancesforFeedstock EPAFinalizesIndefiniteExtensionoftheLaboratory&AnalyticalUseExemption EPAProposesIndefiniteExtensionoftheLaboratory&AnalyticalUseExemption Final2020HCFCAllocationRule FactSheetforthe2020Final Rule RelatedTopics OzoneLayerProtection AddressingOzoneLayerDepletion Ozone-DepletingSubstances AlternativestoOzone-DepletingSubstances Enforcement ReportanEnvironmentalViolation ContactUstoaskaquestion,providefeedback,orreportaproblem.