GBZ 2.1-2019 (English Version) PDF

Standard No.: GBZ 2.1-2019
Language: Chinese, Available in English version
Release Date: 2019
Published By: Occupational Health Standard of the People's Republic of China
Latest: GBZ 2.1-2019
Replace: GBZ 2.1-2007

Scope: This part specifies the hygienic requirements, testing, evaluation and control principles for occupational exposure to chemical harmful factors in the workplace. This part applies to the hygienic design of industrial enterprises and the management, control and occupational health supervision and inspection of occupational exposure to chemical harmful factors in the workplace.

GBZ 2.1-2019 Referenced Document

GBZ 1 Hygienic standards for the design of industrial enterprises
GBZ 159 Specifications of air sampling for hazardous substances monitoring in the workplace
GBZ/T 160.1 Methods for determination of antimony and its compounds in the air of workplace
GBZ/T 160.10 Methods for determination of lead and its compounds in the air of workplace
GBZ/T 160.11 Methods for determination of lithium and its compounds in the air of workplace
GBZ/T 160.12 Methods for determination of magnesium and its compounds in the air of workplace
GBZ/T 160.13 Methods for determination of manganese and its compounds in the air of workplace
GBZ/T 160.14 Methods for determination of mercury and its compounds in the air of workplace
GBZ/T 160.15 Methods for determination of molybdenum and its compounds in the air of workplace
GBZ/T 160.16 Methods for determination of nickel and its compounds in the air of workplace
GBZ/T 160.17 Methods for determination of potassium and its compounds in the air of workplace
GBZ/T 160.18 Methods for determination of sodium and its compounds in the air of workplace
GBZ/T 160.19 Methods for determination of strontium and its compounds in the air of workplace
GBZ/T 160.2 Methods for determination of barium and its compounds in the air of workplace
GBZ/T 160.20 Methods for determination of tantalum and its compounds in the air of workplace
GBZ/T 160.21 Methods for determination of thallium and its compounds　in the air of workplace
GBZ/T 160.22 Methods for determination of tin and its compounds in the air of workplace
GBZ/T 160.23 Methods for determination of tungsten and its compounds in the air of workplace
GBZ/T 160.24 Methods for determination of vanadium and its compounds in the air of workplace
GBZ/T 160.25 Methods for determination of zinc and its compounds in the air of workplace
GBZ/T 160.26 Methods for determination of zirconium and its compounds in the air of workplace
GBZ/T 160.27 Methods for determination of boron and its compounds　in the air of workplace
GBZ/T 160.28 Methods for determination of inorganic carbon compounds in the air of workplace
GBZ/T 160.29 Methods for determination of inorganic nitrogen compounds in the air workplace
GBZ/T 160.3 Methods for determination of beryllium and its compounds　in the air of workplace
GBZ/T 160.30 Methods for determination of inorganic phosphorus compounds　in the air of workplace
GBZ/T 160.31 Methods for determination of arsenic and its compounds in the air of workplace
GBZ/T 160.32 Methods for determination of oxides in the air of workplace
GBZ/T 160.33 Methods for determination of sulfides in the air of workplace
GBZ/T 160.34 Methods for determination of selenium and its compounds　in the air of workplace
GBZ/T 160.35 Methods for determination of tellurium and its compounds in the air of workplace
GBZ/T 160.36 Methods for determination of fluorides in the air of workplace
GBZ/T 160.37 Methods for determination of chlorides in the air of workplace
GBZ/T 160.38 Determination of alkanes in the air of workplace
GBZ/T 160.39 Determination of alkenes in the air of workplace
GBZ/T 160.4 Methods for determination of bismuth and its compounds in the air of workplace
GBZ/T 160.40 Methods for determination of mixed hydrocarbons in the air of workplace
GBZ/T 160.41 Methods for determination of cyclic hydrocarbons in the air of workplace
GBZ/T 160.42 Determination of aromatic hydrocarbons in the air of workplace
GBZ/T 160.43 Methods for determination of poly-benzenes in the air of workplace
GBZ/T 160.44 Methods for determination of polycyclic aromatic hydrocarbons　in the air of workplace
GBZ/T 160.45 Determination of halogenated alkanes in the air of workplace
GBZ/T 160.46 Methods for determination of halogenated unsaturated hydrocarbons　in the air of workplace
GBZ/T 160.47 Methods for determination of halogenated aromatic hydrocarbons in the air of workplace
GBZ/T 160.48 Determination of alcohols in the air of workplace
GBZ/T 160.49 Methods for determination of mercaptans in the air of workplace
GBZ/T 160.5 Methods for determination of cadmium and its compounds in the air of workplace
GBZ/T 160.50 Methods for determination of alkoxyethanols in the air of workplace
GBZ/T 160.51 Determination of phenols in the air of workplace
GBZ/T 160.52 Determination of aliphatic ethers in the air of workplace
GBZ/T 160.53 Methods for determination of phenyl ethers　in the air of workplace
GBZ/T 160.54 Determination of aliphatic aldehydes in the air of workplace
GBZ/T 160.55 Determination of aliphatic ketones in the air of workplace
GBZ/T 160.56 Methods for determination of cyclic and aromatic ketones in the air of workplace
GBZ/T 160.57 Methods for determination of quinones in the air of workplace
GBZ/T 160.58 Methods for determination of epoxy compounds in the air of workplace
GBZ/T 160.59 Methods for determination of carboxylic acids in the air of workplace
GBZ/T 160.6 Methods for determination of calcium and its compounds in the air of workplace
GBZ/T 160.60 Methods for determination of acid anhydrides　in the air of workplace
GBZ/T 160.61 Methods for determination of acyl halides in the air of workplace
GBZ/T 160.62 Methods for determination of amides in the air of workplace
GBZ/T 160.63 Determination of saturated aliphatic esters in the air of workplace
GBZ/T 160.64 Methods for determination of unsaturated aliphatic esters　in the air of workplace
GBZ/T 160.65 Methods for determination of halogenated aliphatic esters in the air of workplace
GBZ/T 160.66 Methods for determination of aromatic esters　in the air of workplace
GBZ/T 160.67 Methods for determination of isocyanates in the air of workplace
GBZ/T 160.68 Determination of nitriles in the air of workplace
GBZ/T 160.69 Methods for determination of aliphatic amines in the air of workplace
GBZ/T 160.7 Methods for determination of chromium and its compounds in the air of workplace
GBZ/T 160.70 Methods for determination of alkylolamines in the air of workplace
GBZ/T 160.71 Methods for determination of hydrazines in the air of workplace
GBZ/T 160.72 Methods for determination of aromatic amines in the air of workplace
GBZ/T 160.73 Methods for determination of nitro alkances in the air of workplace
GBZ/T 160.74 Methods for determination of aromatic nitro-compounds in the air of workplace
GBZ/T 160.75 Methods for determination of heterocyclic compounds in the air of workplace
GBZ/T 160.76 Methods for determination of organophosphorus pesticides　in the air of workplace
GBZ/T 160.77 Methods for determination of organic chlorine pesticides in the air of workplace
GBZ/T 160.78 Determination of pyrethriod pesticides in the air of workplace
GBZ/T 160.79 Methods for determination of medicines　in the air of workplace
GBZ/T 160.8 Methods for determination of cobalt and its compounds in the air of workplace
GBZ/T 160.80 Methods for determination of explosives in the air of workplace
GBZ/T 160.81 Methods for determination of biological compounds in the air of workplace
GBZ/T 160.82 Determination of alcoolic ethers in the air of workplace
GBZ/T 160.83 Determination of indium and its compounds in the air of workplace
GBZ/T 160.84 Determination of yttrium and its compounds in the air of workplace
GBZ/T 160.85 Determination of iodine and its compounds in the air of workplace
GBZ/T 160.9 Methods for determination of copper and its compounds in the air of workplace
GBZ/T 192.1 Determination of dust in the air of workplace.Part l：Total dust concentration
GBZ/T 192.2 Determination of dust in the air of workplace. Part 2：Respirable dust concentration
GBZ/T 192.3 Determination of dust in the air of workplace. Part 3：Distribution of particulate
GBZ/T 192.4 Determination of dust in the air of workplace. Part 4：Content of free silica in dust
GBZ/T 192.5 Determination of dust in the air of workplace. Part 5：Asbestos fiber concentration
GBZ/T 192.6 Determination of dust in the air of workplaces - Part 6: Ultrafine particles and total fine particle concentration
GBZ/T 224 Terms of occupational health
GBZ/T 225 Guideline for employer of prevention and control of occupational diseases
GBZ/T 229.2 Classification of occupational hazards at workplaces.Part 2:Occupational exposure to chemicals
GBZ/T 295 General Principles of Biomonitoring Methods for Occupational Population
GBZ/T 300.1 Determination of Toxic Substances in Workplace Air
GBZ/T 300.10 Determination of Toxic Substances in Workplace Air Part 10: Cobalt and Its Compounds
GBZ/T 300.100 Determination of Toxic Substances in Workplace Air Part 100: Furfural and Dimethylmethane
GBZ/T 300.101 Determination of Toxic Substances in Workplace Air Part 101: Chloral
GBZ/T 300.103 Determination of Toxic Substances in Workplace Air Part 103: Acetone, Butanone and Methyl Isobutyl Ketone
GBZ/T 300.104 Determination of Toxic Substances in Workplace Air Part 104: Diethyl Ketone, 2-Hexanone and Diisobutyl Ketone
GBZ/T 300.106 Determination of Toxic Substances in Workplace Air Part 106: Chloracetone
GBZ/T 300.11 Determination of Toxic Substances in Workplace Air - Part 11: Copper and Its Compounds
GBZ/T 300.110 Determination of Toxic Substances in Workplace Air Part 110: Hydroquinone and Resorcinol
GBZ/T 300.112 Determination of Toxic Substances in Workplace Air Part 112: Formic Acid and Acetic Acid
GBZ/T 300.114 Determination of Toxic Substances in Workplace Air Part 114: Oxalic Acid and Terephthalic Acid
GBZ/T 300.115 Determination of Toxic Substances in Workplace Air Part 115: Chloroacetic Acid
GBZ/T 300.116 Determination of Toxic Substances in Workplace Air Part 116: p-Toluenesulfonic Acid
GBZ/T 300.118 Determination of Toxic Substances in Workplace Air Part 118: Acetic Anhydride, Maleic Anhydride, and Phthalic Anhydride
GBZ/T 300.122 Determination of Toxic Substances in Workplace Air Part 122: Methyl and Ethyl Formate
GBZ/T 300.126 Determination of Toxic Substances in Workplace Air - Part 126: Dimethyl Sulfate and Tricresyl Phosphate
GBZ/T 300.127 Determination of Toxic Substances in Workplace Air Part 127: Acrylates
GBZ/T 300.128 Determination of Toxic Substances in Workplace Air Part 128: Methacrylates
GBZ/T 300.129 Determination of Toxic Substances in Workplace Air Part 129: Methyl Chloroacetate and Ethyl Chloroacetate
GBZ/T 300.13 Determination of Toxic Substances in Workplace Air Part 13: Indium and Its Compounds
GBZ/T 300.130 Determination of Toxic Substances in Workplace Air Part 130: Dibutyl and Dioctyl Phthalates
GBZ/T 300.132 Determination of Toxic Substances in Workplace Air Part 132: Toluene Diisocyanate, Diphenylmethane Diisocyanate and Isophorone Diisocyanate
GBZ/T 300.133 Determination of Toxic Substances in Workplace Air Part 133: Acetonitrile, Acrylonitrile and Methacrylonitrile
GBZ/T 300.134 Determination of Toxic Substances in Workplace Air Part 134: Acetone Cyanohydrin and Benzyl Cyanide
GBZ/T 300.136 Determination of Toxic Substances in Workplace Air Part 136: Trimethylamine, Diethylamine and Triethylamine
GBZ/T 300.137 Determination of Toxic Substances in Workplace Air Part 137: Ethylamine, Ethylenediamine, and Cyclohexylamine
GBZ/T 300.139 Determination of Toxic Substances in Workplace Air Part 139: Ethanolamine
GBZ/T 300.140 Determination of Toxic Substances in Workplace Air - Part 140: Hydrazine, Methylhydrazine and Unsymmetrical Dimethylhydrazine
GBZ/T 300.142 Determination of Toxic Substances in Workplace Air Part 142: Trichloroaniline
GBZ/T 300.143 Determination of Toxic Substances in Workplace Air Part 143: p-Nitroaniline
GBZ/T 300.146 Determination of Toxic Substances in Workplace Air Part 146: Nitrobenzene, Nitrotoluene and Nitrochlorobenzene
GBZ/T 300.149 Determination of Air Toxicants in the Workplace Part 149: Fenitrothion, Fenthion, Imidion, and Methylparathion
GBZ/T 300.15 Determination of Toxic Substances in Workplace Air Part 15: Lead and Its Compounds
GBZ/T 300.150 Determination of Toxic Substances in Workplace Air - Part 150: Dichlorvos, Phorate and Parathion
GBZ/T 300.151 Determination of Toxic Substances in Workplace Air Part 151: Monocrotophos, Omethoate and Isoblastin
GBZ/T 300.153 Determination of Toxic Substances in Workplace Air Part 153: Phosphamine, Demeton, Demeton-methyl, and Malathion
GBZ/T 300.159 Determination of Toxic Substances in Workplace Air Part 159: Nitroglycerin, Nitroguanidine, Octogen and RDX
GBZ/T 300.16 Determination of Toxic Substances in Air in the Workplace Part 16: Magnesium and Its Compounds
GBZ/T 300.160 Determination of Toxic Substances in Workplace Air - Part 160: Detergent Enzymes
GBZ/T 300.161 Determination of Toxic Substances in Workplace Air Part 161: Bromoform
GBZ/T 300.162 Determination of Toxic Substances in Workplace Air Part 162: Benzoquinones
GBZ/T 300.163 Determination of Toxic Substances in Workplace Air Part 163: Toluene Diisocyanate
GBZ/T 300.164 Determination of Toxic Substances in Workplace Air Part 164: Diphenylmethane Diisocyanate
GBZ/T 300.17 Determination of Toxic Substances in Workplace Air Part 17: Manganese and Its Compounds
GBZ/T 300.18 Determination of Toxic Substances in Workplace Air Part 18: Mercury and Its Compounds
GBZ/T 300.19 Determination of Toxic Substances in Workplace Air Part 19: Molybdenum and Its Compounds
GBZ/T 300.2 Determination of Toxic Substances in Workplace Air Part 2: Antimony and Its Compounds
GBZ/T 300.21 Determination of Toxic Substances in Air in the Workplace Part 21: Potassium and Its Compounds
GBZ/T 300.22 Determination of Toxic Substances in Workplace Air Part 22: Sodium and Its Compounds
GBZ/T 300.23 Determination of Toxic Substances in Workplace Air Part 23: Strontium and Its Compounds
GBZ/T 300.24 Determination of Toxic Substances in Workplace Air Part 24: Tantalum and Its Compounds
GBZ/T 300.25 Determination of Toxic Substances in Air in the Workplace Part 25: Thallium and Its Compounds
GBZ/T 300.26 Determination of Toxic Substances in Workplace Air - Part 26: Tin and Its Inorganic Compounds
GBZ/T 300.27 Determination of Toxic Substances in Workplace Air - Part 27: Dibutyltin Dilaurate, Trimethyltin Chloride and Triethyltin Chloride
GBZ/T 300.28 Determination of Toxic Substances in Workplace Air Part 28: Tungsten and Its Compounds
GBZ/T 300.29 Determination of Toxic Substances in Workplace Air Part 29: Vanadium and Its Compounds
GBZ/T 300.3 Determination of Toxic Substances in Air in the Workplace Part 3: Barium and Its Compounds
GBZ/T 300.30 Determination of Toxic Substances in Workplace Air Part 30: Yttrium and Its Compounds
GBZ/T 300.31 Determination of Toxic Substances in Workplace Air Part 31: Zinc and Its Compounds
GBZ/T 300.32 Determination of Toxic Substances in Workplace Air Part 32: Zirconium and Its Compounds
GBZ/T 300.33 Determination of Toxic Substances in Workplace Air Part 33: Metals and Their Compounds
GBZ/T 300.34 Determination of Toxic Substances in the Air of the Workplace Part 34: Rare Earth Metals and Their Compounds
GBZ/T 300.35 Determination of Toxic Substances in Workplace Air Part 35: Boron Trifluoride
GBZ/T 300.37 Determination of Toxic Substances in Workplace Air Part 37: Carbon Monoxide and Carbon Dioxide
GBZ/T 300.38 Determination of Toxic Substances in Workplace Air - Part 38: Carbon Disulfide
GBZ/T 300.4 Determination of Toxic Substances in Workplace Air Part 4: Beryllium and Its Compounds
GBZ/T 300.43 Determination of Toxic Substances in Workplace Air - Part 43: Azide and Sodium Azide
GBZ/T 300.45 Determination of Toxic Substances in Workplace Air - Part 45: Phosphorus Pentaoxide and Phosphorus Pentasulfide
GBZ/T 300.46 Determination of Toxic Substances in Workplace Air - Part 46: Phosphorus Trichloride and Phosphorus Trichloride
GBZ/T 300.47 Determination of Toxic Substances in Workplace Air - Part 47: Arsenic and Its Inorganic Compounds
GBZ/T 300.48 Determination of Toxic Substances in Workplace Air Part 48: Ozone and Hydrogen Peroxide
GBZ/T 300.5 Determination of Toxic Substances in Workplace Air - Part 5: Bismuth and Its Compounds
GBZ/T 300.51 Determination of Toxic Substances in Workplace Air Part 51: Sulfur Hexafluoride
GBZ/T 300.52 Determination of Toxic Substances in Workplace Air - Part 52: Thionyl Chloride
GBZ/T 300.53 Determination of Toxic Substances in Workplace Air Part 53: Selenium and Its Compounds
GBZ/T 300.54 Determination of Toxic Substances in Workplace Air Part 54: Tellurium and Its Compounds
GBZ/T 300.58 Determination of Toxic Substances in Workplace Air - Part 58: Iodine and Its Compounds
GBZ/T 300.59 Determination of Toxic Substances in Workplace Air Part 59: Volatile Organic Compounds
GBZ/T 300.6 Determination of Toxic Substances in Workplace Air Part 6: Cadmium and Its Compounds
GBZ/T 300.60 Determination of Toxic Substances in Workplace Air Part 60: Pentane, Hexane, Heptane, Octane and Nonane
GBZ/T 300.61 Determination of Toxic Substances in Workplace Air Part 61: Butene, 1,3-Butadiene and Dicyclopentadiene
GBZ/T 300.62 Determination of Toxic Substances in Workplace Air - Part 62: Solvent gasoline, liquefied petroleum gas, raffinate and turpentine
GBZ/T 300.64 Determination of Toxic Substances in Workplace Air - Part 64: Paraffin Fume
GBZ/T 300.65 Determination of Toxic Substances in Workplace Air Part 65: Cyclohexane and Methylcyclohexane
GBZ/T 300.66 Determination of Toxic Substances in Workplace Air Part 66: Benzene, Toluene, Xylene and Ethylbenzene
GBZ/T 300.68 Determination of Toxic Substances in Workplace Air Part 68: Styrene, Methylstyrene and Divinylbenzene
GBZ/T 300.69 Determination of Toxic Substances in Workplace Air Part 69: Biphenyls and Hydrogenated Terphenyls
GBZ/T 300.7 Determination of Toxic Substances in Workplace Air - Part 7: Calcium and Its Compounds
GBZ/T 300.73 Determination of Toxic Substances in Workplace Air Part 73: Chloromethane, Dichloromethane, Chloroform and Carbon Tetrachloride
GBZ/T 300.77 Determination of Toxic Substances in Workplace Air Part 77: Tetrafluoroethylene and Hexafluoropropylene
GBZ/T 300.78 Determination of Toxic Substances in Workplace Air Part 78: Chlorethylene, Dichloroethylene, Trichloroethylene and Perchloroethylene
GBZ/T 300.8 Determination of Toxic Substances in Workplace Air Part 8: Cesium and Its Compounds
GBZ/T 300.80 Determination of Toxic Substances in Workplace Air Part 80: Chloropropene and Dichloropropene
GBZ/T 300.81 Determination of Toxic Substances in Workplace Air Part 81: Chlorobenzene, Dichlorobenzene and Trichlorobenzene
GBZ/T 300.82 Determination of Toxic Substances in Workplace Air Part 82: Benzyl Chloride and p-Chlorotoluene
GBZ/T 300.83 Determination of Toxic Substances in Workplace Air Part 83: Bromobenzene
GBZ/T 300.84 Determination of Toxic Substances in Workplace Air Part 84: Methanol, Propanol and Octanol
GBZ/T 300.85 Determination of Toxic Substances in Workplace Air - Part 85: Butanol, Pentanol and Propylene Alcohol
GBZ/T 300.86 Determination of Toxic Substances in Workplace Air Part 86: Ethylene Glycol
GBZ/T 300.88 Determination of Toxic Substances in Workplace Air Part 88: Chlorohydrin and 1,3-Dichloropropanol
GBZ/T 300.9 Determination of Toxic Substances in Workplace Air Part 9: Chromium and Its Compounds
GBZ/T 300.93 Determination of Toxic Substances in Workplace Air Part 93: Pentachlorophenol and Sodium Pentachlorophenate
GBZ/T 300.96 Determination of Toxic Substances in Workplace Air Part 96: Sevoflurane, Isoflurane and Enflurane
GBZ/T 300.97 Determination of Toxic Substances in Workplace Air Part 97: Dipropylene Glycol Methyl Ether and 1-Methoxy-2-Propanol
GBZ/T 300.99 Determination of Toxic Substances in Workplace Air Part 99: Formaldehyde, Acetaldehyde and Butyraldehyde

GBZ 2.1-2019 history

2019 GBZ 2.1-2019 Occupational exposure limits for hazardous agents in the workplace — Part 1: Chemical hazardous agents
2007 GBZ 2.1-2007 Occupational exposure limits for hazardous agents in the workplace Part 1:Chemical hazardous agents
2002 GBZ 2-2002 Occupational Exposure Limit for Hazardous Agents in the Workplace

Occupational exposure limits for hazardous agents in the workplace — Part 1: Chemical hazardous agents

GBZ 2.1-2019Occupational exposure limits for hazardous agents in the workplace — Part 1: Chemical hazardous agents (English Version)

GBZ 2.1-2019 Referenced Document

GBZ 2.1-2019 history

GBZ 2.1-2019
Occupational exposure limits for hazardous agents in the workplace — Part 1: Chemical hazardous agents (English Version)