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Chlorofluorocarbons and Hydrofluorocarbons Have Which of the Following in Common
EPA made the standards more protective because new peer-reviewed scientific studies showed that existing standards were. These fluorinated gases F-gases do not damage the ozone layer but do have a significant global warming effect. Apa Arti Cfcs Dalam Bahasa Indonesia Chlorofluorocarbons CFCs and hydrochlorofluorocarbons HCFCs. . EPA in recent years revised standards for five of the six common pollutants subject to national air quality standards. Therefore in 2016 Parties to the Montreal Protocol agreed to add the most common type of F-gas hydrofluorocarbons HFCs to the list of controlled substances. Hydrofluorocarbons HFCs and to a lesser extent perfluorocarbons PFCs are used as substitutes for the regulated ODSs. Throughout the second half of the 20th century nearly all air conditioners used chlorofluorocarbons CFCs as their refrigerant but because these chemicals are damaging to Earths ozone layer CFC production stopped...
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