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IMPACT ON OZONE ATTAINMENT OF CFC (CHLOROFLUOROCARBON) CONTROLS USED TO PREVENT FUTURE DEPLETION OF STRATOSPHERIC OZONE
Citation:
Harmon, D. AND N. Smith. IMPACT ON OZONE ATTAINMENT OF CFC (CHLOROFLUOROCARBON) CONTROLS USED TO PREVENT FUTURE DEPLETION OF STRATOSPHERIC OZONE. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/D-88/074 (NTIS PB88195177).
Description:
The paper discusses the impact on ozone attainment of chlorofluorocarbon (CFC) controls used to prevent future depletion of stratospheric ozone. It has been decided that allocated quotas offer the most attractive approach to limiting the use of CFCs and brominated compounds (halons). This approach should provide for economically efficient reductions. It involves a minimum of administrative costs, is the most easily enforced option, and does not raise any potential legal issues that might result from other options. Control options that might be used by industry to achieve the necessary CFC reductions are evaluated in the Regulatory Impact Analysis (RIA). The most likely long-term control option which may be adopted by most application areas is a chemical substitute. With this option, it may be possible to eliminate 90% or more of the ozone-depleting CFC emissions. A variety of control options hold promise for short-term applicability. Some of the engineering controls may still be applied even after new chemical substitutes (e.g., HFC-134a and HCFC-123) are in use, since the higher cost of these substitutes may justify recovery. EPA is also considering the development of specific regulations limiting CFC and halon use for particular industries to supplement allocated quotas.