【正文】 method》Monitoring analytic method of air and waste gas(4th edition) (2003) Section 5 Chapter 4(2（3）) 8Labour environment7Barium and its pounds239GBZ/T 《Methods for determination of barium and its pounds in the air of workplace》Accredited only for the second method8Beryllium and its pounds239GBZ/T 《Methods for determination of beryllium and its pounds　in the air of workplace》9Cadmium and its pounds239GBZ/T 《Methods for determination of cadmium and its pounds　in the air of workplace》10Calcium and its pounds239GBZ/T 《Methods for determination of calcium and its pounds　in the air of workplace》11Chromium and its pounds239GBZ/T 《Methods for determination of chromium and its pounds　in the air of workplace》8Labour environment12Cobalt and its pounds239GBZ/T 《Methods for determination of cobalt and its pounds cobalt in the air of workplace》13Copper and its pounds239GBZ/T 《Methods for determination of copper and its pounds　in the air of workplace》14Lead and its pounds239GBZ/T 《Methods for determination of lead and its pounds　in the air of workplace》Accredited only for the first method15Magnesium and its pounds239GBZ/T 《Methods for determination of magnesium and its pounds　in the air of workplace》16Manganese and its pounds239GBZ/T 《Methods for determination of manganese and its pounds　in the air of workplace》8Labour environment17Mercury and its pounds239GBZ/T 《Methods for determination of mercury and its pounds　in the air of workplace》Accredited only for the second method18Molybdenum and its pounds239GBZ/T 《Methods for determination of molybdenum and its pounds　in the air of workplace》Accredited only for the first method19Nickel and its pounds239GBZ/T 《Methods for determination of nickel and its pounds　in the air of workplace》20Potassium and its pounds239GBZ/T 《Methods for determination of potassium and its pounds　in the air of workplace》21Sodium and its pounds239GBZ/T 《Methods for determination of sodium and its pounds　in the air of workplace》8Labour environment22Strontium and its pounds239GBZ/T 《Methods for determination of strontium and its pounds　in the air of workplace》23Tin and its pounds239GBZ/T 《Methods for determination of tin and its pounds　in the air of workplace》Accredited only for the first methods24Zinc and its pounds239GBZ/T 《Methods for determination of zinc and its pounds　in the air of workplace》Accredited only for the first method25Inorganic carbon pounds239GBZ/T 《Methods for determination of inorganic carbon pounds　in the air of workplace》26Inorganic nitrogen pounds239GBZ/T 《Methods for determination of inorganic nitrogen pounds 　in the air workplace》8Labour environment27Inorganic phosphorus239GBZ/T 《Methods for determination of inorganic phosphorus pounds　in the air of workplace》28Arsenic and its pounds239GBZ/T 《Methods for determination of arsenic and its pounds　in the air of workplace》Accredited only for 3th method29Oxides239GBZ/T 《Methods for determination of oxides　in the air of workplace》30Sulfides239GBZ/T 《Methods for determination of sulfides　in the air of workplace》Accredited only for 4th 、 5th、7th、10th method31Fluorides239GBZ/T 《Methods for determination of fluorides　in the air of workplace》32Chlorides239GBZ/T 《Methods for determination of chlorides　in the air of workplace》Accredited only for 4th,Ion Chromatography8Labour environment33alkanes239GBZ/T 《Methods for determination of alkanes　in the air of workplace》Accredited only for 4th 、 5th、6th method34mixed hydrocarbons239GBZ/《Methods for determination of mixed hydrocarbons in the air of workplace 》Accredited only for 3th 、4tmethod35cyclic hydrocarbons239GBZ/T 《Methods for determination of cyclic hydrocarbons　in the air of workplace》Accredited only for 3th and 4th method36aromatic hydrocarbons239GBZ/T 《Methods for determination of aromatic hydrocarbons　in the air of workplace》Accredited only for 3th and 4th method37polybenzenes239GBZ/T 《Methods for determination of polybenzenes　in the air of workplace》Accredited only for 3th method8Labour environment38polycyclic aromatic hydrocarbons239GBZ/ 2004《Methods for determination of polycyclic aromatic hydrocarbons in the air of workplace 》Accredited only for 3th method39Halogenated alkanes239GBZ/T 《Methods for determination of Halogenated alkanes　in the air of workplace》Accredited only for 3rd、4th and 7th method40halogenated unsaturated hydrocarbons239GBZ/T 《Methods for determination of halogenated unsaturated hydrocarbons　in the air of workplace》Accredited only for 3th method41halogenated aromatic hydrocarbons239GBZ/《Methods for determination of halogenated aromatic hydrocarbons in the air of workplace 》Accredited only for 3th method42alcohols239GBZ/T 《Methods for determination of alcohols　in the air of workplace》Accredited only for 3rd and 4th method8Labour environment43mercaptans239GBZ/《Methods for determination of mercaptans in the air of workplace 》Accredited only for 3rd method44phenols239GBZ/T 《Methods for determination of phenols　in the air of workplace》Accredited only for 3rd method45aliphatic aldehydes239GBZ/T 《Methods for determination of aliphatic aldehydes　in the air of workplace》Accredited only for 3th and 6th method46aliphatic ketones239GBZ/T 《Methods for determination of aliphatic ketonesin the air of workplace》Accredited only for 3rd method47saturated aliphatic esters239GBZ/T 《Methods for determination of saturated aliphatic esters　in the air of workplace》Accredited only for 3rd method8L