DEPARTMENT OF HEALTH, EXECUTIVE YUAN Notice is hereby given, for the stipulation to introduce "Method of Test for Nitrogen Oxide to be Used in Food", "Method of Test for Carbon Dioxide to be Used in Food Processing", "Method of Test for Propane to be Used in Food", "Method of Test for n-Butane to be Used in Food", "Method of Test for Acacia (Acacia; Gum Arabic) as Food Raw Material", and "Method of Test for Isobutane to be Used in Food" to be applied as the methods for food sanitation examination in pursuant to "Act Governing Food Sanitation"