Evaluation of stratospheric age of air from CF&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;, C&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;F&amp;lt;sub&amp;gt;6&amp;lt;/sub&amp;gt;, C&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;F&amp;lt;sub&amp;gt;8&amp;lt;/sub&amp;gt;, CHF&amp;lt;sub&amp;gt;3&amp;lt;/sub&amp;gt;, HFC-125, HFC-227ea and SF&amp;lt;sub&amp;gt;6&amp;lt;/sub&amp;gt;; implications for the calculations of halocarbon lifetimes, fractional release factors and ozone depletion potentials
Atmospheric chemistry and physics