Hydrochlorofluorocarbons hcfcs are chemical compounds commonly used in the foam, refrigeration, and air conditioning sectors that destroy the protective ozone layer and contribute to climate change. Linde does not sell all of the products detailed below. To list hcfc22, hcfc142b, and blends thereof as unacceptable as substitutes in all foam enduses. Hydrochlorofluorocarbons hcfcs phaseout management plan in. According to the montreal protocol, china is required to phaseout hydrochlorofluorocarbons hcfcs by 2030. Has the montreal protocol been successful in reducing.
In the long term, hfcs and carbon dioxidewater will be the replacement. The most recent adjustment to the montreal protocol montreal 2007 accelerated the phaseout of. Hfcs hcfcs substancegwp value 100 year gwp value 100 year hfc4 1100 hcfc21 151 hfc4a 1430 hcfc22 1810 hfc143 353 hcfc123 77 hfc245fa 1030 hcfc124 609. Daily gk, india phases out ozone depleting hcfc141b.
The montreal protocol on substances that deplete the ozone layer a protocol to the vienna convention for the protection of the ozone layer is an international treaty designed to. Montreal protocol background introduction the montreal protocol herein is the protocol embodies the international agreement on the overall scope. As a result, the abundances of hcfc 22, hcfc 141b, and hcfc 142b continue to grow in the atmosphere see figure q161. The main goal of the protocol is to slow down and to eventually stop the damage to the ozone layer that various chemicals were causing. Hcfc phaseout it is essential to reduce and phase out the use of hcfcs in industry practices. In 1993, epa established the phaseout framework and the worstfirst approach, which focused first on hcfc 22, hcfc 141b, and hcfc 142b because they have the highest ozone depletion potentials of all hcfcs. Hcfcs, which have replaced cfcs, have been found to destroy. In doing so, australia will consume 61 per cent less hcfc in the period to 2020 than permitted under the montreal protocol even after the parties to the montreal protocol agreed in 2007 to accelerate hcfc phase out globally. Montreal protocol and vienna convention succeeded to put the ozone layer on its road to recovery while addressing. It is essential to reduce and phase out the use of hcfcs in industry practices. Hcfc 141b, hcfc 22, blends of hcfc 22 and 141b, pentane, and hfc4a are now used as alternatives to cfcs in this application. Environment canada will be drafting proposed regulatory revisions to the ozonedepleting substances regulations, 1998 and its subsequent amendments the regulations to ensure canada will achieve the accelerated phaseout of hydrochlorofluorocarbons hcfcs as decided by the parties to the montreal protocol on substances that deplete the ozone layer montreal protocol at the 19th meeting of.
Costeffective replacements for hcfc141b in panel insulation. Production and import of hcfcs is being phased out globally under the montreal protocol on substances that deplete the ozone layer the montreal protocol. Hcfc consumption from 2006 to 2009 year hcfc consumption odp tonnes hcfc consumption metric tonnes all hcfcs hcfc22 hcfc141b hcfc123 all hcfcs hcfc22 hcfc141b hcfc123 2006 7. Past, present, and future emissions of hcfc141b in china. The most recent adjustment to the montreal protocol montreal 2007 accelerated the phaseout of hcfcs. The phasein and phaseout of european emissions of hcfc. The hpmp further addresses the issues required to phase out the use of hcfc141b in the foam. These applications are being phased out in developed countries due to the compounds ozone depletion potential odp and high global warming potential gwp, although global use of r22. Impact data hcfc141b hcfc225 none none hfc npb aerosol yes none hydrochlorofluorocarbons hcfcs are regulated under the montreal protocol as class ii ozone depleting substances. On january 1, 2002, a complete use bancovering all solvent uses of hcfc141b goes into effect in the european union. Alternatives to hcfc141b towards sustainable spray. Jordan ozone depleting substances hcfc phaseout project.
It is worth noticing that the nona5 countries rely on baselines that are frozen already. The phasein and phaseout of european emissions of hcfc141b. This is because, hcfc141b is not produced in india. In october 2016, delegates to the montreal protocol agreed in kigali, rwanda to an historic amendment that adds highgwp hfcs to the protocol and establishes schedules for their phase down in developed and. The montreal protocol is an international treaty that went into effect in january 1st, 1989. Global warming potential values the following table includes the 100year time horizon global warming potentials gwp. With the 2016 inclusion of a global hfc phase down the montreal protocol now has two regimes to control.
Currently, the most common alternatives to hcfcs are hydrofluorocarbons, hfcs, which are nonozone depleting substances ods, but still have high global warming potential gwp. The reductions are consistent with the phaseout of hcfc production and use from the year 2001 onwards mandated by european regulations designed to exceed the requirements of the montreal protocol. Management of ozonedepleting substances reported to the. Appendix i article 7 data reporting instructions and guidelines. Montreal protocol and vienna convention succeeded to put the ozone layer on its road to recovery. Data reporting under article 7 of the montreal protocol. Montreal protocol, article v countries are being required to phase out their use of hcfc blowing agents, such as hcfc 141b. Although there is a wide choice of alternative chemicals, there are only a few that can fulfill the preferred. Phaseout of class ii ozonedepleting substances us epa.
Hcfc consumption limits and targeted phaseout amount in consumption sectors for stage i of the hpmp for china nationalsectoral level 20 odp tonnes 2015 odp tonnes. Although there is a wide choice of alternative chemicals, there are only a few that can fulfill the preferred technical requirements of the polyurethane industry. R22 phase out fact sheet department of the environment. Hcfc 141b, widely used as a blowing agent, is the first species of hcfcs to be phased out in the country because it has the highest ozonedepleting potential odp. Montreal protocol to control and prohibit the importuse of certain ods in cosmetics, agriculture. India hcfc phaseout management plan stagei page 6 1. Today the montreal protocol is still seen as a model of an innovative and dynamic response made possible by the concerted efforts of a wide range of stakeholders such as scientists, policymakers, economists, engineers, and lawyers. The vienna convention and montreal protocol a history of strong action. Although significantly less potent than cfcs, hcfcs are also ozone. Ozonedepleting substances odss under the montreal protocol on substances that. We feel the proposed exemption process will support the u. These allowance allocations have allowed the united states to overcomply with its commitments under the montreal protocol s hcfc phaseout schedule. Blowing agent applications appliances loss in energy efficiency enovate, cyclopentane, 141b, solstice lba energy efficiency standards drive product design insulation efficiency sealed side compre ssor, etc. National and regional bans on specific hcfc applications and the accelerated european hcfc phaseout.
Montreal protocol on substances that deplete the ozone layer signed 1992 indonesia ratified vienna convention. Hcfc141b ch3ccl2f 600 725 782 hcfc142b ch3cclf2 1,800 2,310 1,980. Currently, the most common alternatives to hcfcs are hydrofluorocarbons, hfcs, which are nonozone depleting. Prior to the montreal protocol, cfcs, particularly cfc11 and cfc12, were used. Substances controlled by the montreal protocol cfc11 ccl3f 3,800 4,750 4,660. The attached data forms have been designed to make reporting easier for the parties. Hydrochlorofluorocarbons hcfcs are ozone depleting substances. In 1996 australia started its phaseout of hydrochlorofluorocarbons hcfcs, through import controls under the. Has the montreal protocol been successful in reducing ozone.
Physicochemical properties edit it is a nonflammable, colourless liquid in atmospheric conditions. In 1996 australia adopted an accelerated phase out of hcfcs. The montreal protocol and national regulations have led to the phase out of hcfc 141b for use as a physical blowing agent in polyurethane pu foams. Blowing agent overview for russian delegation 12414. Hydrochlorofluorocarbon141b, or 1,1dichloro1fluoroethane hcfc141b, has been developed as a replacement for fully halogenated chlorofluorocarbons because its residence time in the atmosphere is shorter, and its ozone depleting potential is lower than that of presently used chlorofluorocarbons.
On january 1, 2002, a complete use bancovering all solvent uses of hcfc 141b goes into effect in the european union. To facilitate indias compliance with the montreal protocol control targets for consumption of. The montreal protocol on substances that deplete the ozone layer. Hydrochlorofluorocarbons hcfcs phaseout management. Hcfcs pose a lesser threat to the ozone layer than cfcs because they have low odp values less than 0. European emissions of hcfc141b have been further constrained by observations at the highalpine jungfraujoch site. Hcfc 21 hcfc 141 hcfc 225ca hcfc 243 hcfc 22 hcfc 141b hcfc 225cb. As a result, the abundances of hcfc22, hcfc141b, and hcfc142b continue to grow in the atmosphere see figure q161. Under the terms of the montreal protocol, all of the production and importation of hcfc 141b ended in the u. Australias progress towards meeting its commitments under. Proposed revisions to the ozonedepleting substances.
Chapter 10 nonmedical aerosols, solvents and hfc23 ipcc. Australia has implemented an accelerated phaseout of hcfcs under the ozone protection and synthetic greenhouse gas management act 1989 the act. The project development objective is to support jordan in its overall efforts to meet its first montreal protocol hcfc phaseoutobligations between 20 and 2017, and to strengthen the capacity of responsible government entities to continue to effectivelyimplement the montreal protocol. Management of ozonedepleting substances reported to the toxics release inventory katherine sleasman. The phase out of hcfc141b will help in healing the ozone layer in the stratospheric zone.
Hydrochlorofluorocarbons hcfcs phaseout management plan. Those regulations reflect the agreed montreal protocol hcfc phaseout schedule. Bulgaria, in terms of montreal protocol, has to meet same requirements and phaseout schedules as developed countries. The montreal protocol and national regulations have led to the phase out of hcfc141b for use as a physical blowing agent in polyurethane pu foams. The reporting is prescribed by article 7 of the montreal protocol and further described in various decisions of the meeting of the parties. Hcfc141b, hcfc22, blends of hcfc22 and 141b, pentane, and hfc4a are now used as alternatives to cfcs in this application. This effort was based on research by the british in the 1960s detected changes in the ozone layer in the antarctic. Hcfc141b, widely used as a blowing agent, is the first species of hcfcs to be phased out in the country because it has the highest ozonedepleting potential odp. To list hcfc 141b and blends thereof as unacceptable as substitutes in all foam enduses. May 20, 2016 under the clean air act, epa is required to phase out production and import of these chemicals in accordance with the montreal protocol on substances that deplete the ozone layer protocol. It has been revised numbers times over the years to accommodate for new technologies and.
Under the protocol, total united states hcfc production and consumption is capped, and will be completely phased out by 2030. Phase out of ozone depleting chemicals achieved by india. Hcfc141b in a polyether polyol matrix are investigated using a. The montreal protocol mp on substances that deplete the ozone layer was designed under. The most recent allowance allocation rule, published in 2019, finalized hcfc allocations for 2020 through 2029. In addition, a total ban on the use of bulk hcfc 141b in the foam sector will be put in place by january 1, 2015. Compound 1,1dichloro1fluoroethane ch 3 ccl 2 f, hcfc 141b has an ozone depleting potential odp, 0. An element of that schedule is to phase out hcfc production and consumption by january 1, 2020, other than production and consumption for certain narrowly start printed page 41512 defined uses in an amount up to 0. This study compiles a comprehensive emission inventory of hcfc. To list hcfc 22, hcfc 142b, and blends thereof as unacceptable as substitutes in all foam enduses. Compound 1,1dichloro1fluoroethane ch 3 ccl 2 f, hcfc141b has an ozone depleting potential odp, 0.
Between 1999 and 2006, chlorofluorocarbons cfc11 were successfully replaced by hcfc141b and cyclopentane cp. The phase out schedule for the hcfc can be seen in table 2 and the phase down schedules for hfc can be seen in table 3. Controlled substances licence for hydrochlorofluorocarbons. In 1993, epa established the phaseout framework and the worstfirst approach, which focused first on hcfc22, hcfc141b, and hcfc142b because they have the highest ozone depletion potentials of all hcfcs. Ozone protection and synthetic greenhouse gas management act 1989.
This colorless gas is better known as hcfc22, or r22, or ch clf2. It belongs to the hydrochlorofluorocarbon family hcfc use. To list hcfc141b and blends thereof as unacceptable as substitutes in all foam enduses. It is a nonflammable, colourless liquid in atmospheric conditions. By signing the montreal protocol in 1988, the philippines was one of the first countries that engaged in the protection of the ozone layer and the phasingout of odss. Federal register protection of stratospheric ozone. This information is provided free of charge and is based on the technical data provided by regulatory. According to the requirements of the montreal protocol, bulgaria has to phaseout hcfcs by year 2030. Acute exposure guideline levels for selected airborne chemicals. Hcfc 141b ch3ccl2f 600 725 782 hcfc 142b ch3cclf2 1,800 2,310 1,980. It is commonly used as a propellant and refrigerant. Hcfcs pose a lesser threat to the ozone layer than cfcs.
Article 7 data reporting instructions and guidelines. To ensure compliance with the montreal protocol by china, the 20 and 2015 hcfc consumption control targets in the six sector plans are shown in table 1. Hydrochlorofluorocarbons hcfcs phaseout management plan in singapore. Hcfc141b in the manufacturing of polyurethane foam except spray foam. Hcfc141b is used in the production of rigid polyurethane and polyisocyanurate or phenolic. The general phaseout schedules were defined years ago. List of hcfc refrigerants the table below details a wide list of hcfc refrigerants that are subject to regulations driven by the montreal protocol. Chlorodifluoromethane or difluoromonochloromethane is a hydrochlorofluorocarbon hcfc. The use of hcfc141b by foam manufacturing industries have been come to an end with the stoppage of import of hcfc141b.
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