jehož toxicita (stanovená zkušební metodou ABD 0031) nepřesahuje 70 ppm fluorovodíku, 120 ppm chlorovodíku, 10 ppm kyanovodíku, 10 ppm oxidů dusíku, 300 ppm oxidu uhelnatého a 10 ppm společně sulfanu a oxidu siřičitého,
with a toxicity (as determined by test method ABD 0031) of not more than 70 ppm hydrogen fluoride, not more than 120 ppm hydrogen chloride, not more than 10 ppm hydrogen cyanide, not more than 10 ppm nitrogen oxides, not more than 300 ppm carbon monoxide and not more than 10 ppm dihydrogen sulphide and sulphur dioxide taken together