"atmosphere mass content of methyl chloride" . "Climate and Forecast (CF)" . . " \"Content\" indicates a quantity per unit area. The \"atmosphere content\" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. The chemical formula for methyl chloride is CH3Cl. The IUPAC name for methyl chloride is chloromethane." . . .