chlorofluorocarbons chlorofluorocarbons known CFCs chlorofluorocarbons CFC known CFCs chlorofluorocarbons chlorofluorocarbons CFCs chlorofluorocarbons (CFCs) Earth System Research Laboratory: Chlorofluorocarbons (CFCs) chlorofluorocarbons CFCs known chlorofluorocarbons chlorofluorocarbons chloroflourocarbons CFCs known as CFCs phase out of the atmosphere chlorofluorocarbons known CFC chlorofluorocarbon CFC chlorofluorocarbons chlorofluorocarbons chlorofluorocarbons (CFCs) many decades non-toxic to humans https://www.esrl.noaa.gov/gmd/hats/publictn/elkins/cfcs.html chlorofluorocarbons Chlorofluorocarbons (CFCs) chlorofluorocarbons (CFCs) chlorofluorocarbons CFCs linked chlorofluorocarbons chlorofluorocarbons CFCs chlorofluorocarbons which tend to eat a hole in the ozone layer. chlorofluorocarbons CFC chlorofluorocarbons National Oceanic and Atmospheric Administration chlorofluorocarbons which tend to eat a hole in the ozone layer. Department of commerce writes: chlorofluorocarbons chlorofluorocarbon (CFC) gases The Chapman & Hall Encyclopedia of Environmental Science which tend to eat a hole in the ozone layer. chlorofluorocarbons chlorofluorocarbons (CFCs) chlorofluorocarbons chlorofluorocarbons Chlorofluorocarbons CFCs CFCs chlorofluorocarbon CFC chlorofluorocarbons (CFCs) chlorofluorocarbon (CFC) gases chlorofluorocarbons chlorofluorocarbons CFCs chlorofluorocarbon https://www.esrl.noaa.gov/gmd/hats/publictn/elkins/cfcs.html "Chlorofluorocarbons (CFCs)" CFC’s chlorofluorocarbons https://www.esrl.noaa.gov/gmd/hats/publictn/elkins/cfcs.html CFCs chlorofluorocarbons