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GB/T 16124-1995 Technical specifications for medical assessment of environmental impact on water conservancy and hydroelectric projects via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GBZ/T 300.3-2017 Determination of toxic substances in workplace air—Part 3: Barium and its compounds via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 297-2017 Guideline for Occupational Health Promotion via email in VALID please email coc@codeofchina.com for quotation
GBZ 2.1-2019 Occupational exposure limits for hazardous agents in the workplace— Part 1: Chemical hazardous agents via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 300.112-2017 Determination of toxic substances in workplace air—Part 112: Formic acid and acetic acid via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 300.62-2017 Determination of toxic substances in workplace air—Part 62: Solvent gasoline, liquified petroleum gas, raffinate and turpentine (USD) via email in 1 business day VALID
GBZ/T 160.57-2004 Methods for determination of quinones in the air of workplace (USD) via email in 1-3 business day ABOLISHED
GBZ/T 300.47-2017 Determination of toxic substances in workplace air—Part 47: Arsenic and its inorganic compounds via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 300.106-2018 Determination of toxic substances in workplace air-Part 106: Chloroacetone via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 300.1-2017 Determination of toxic substances in workplace air—Part 1: General principles (USD) via email in 1 business day VALID
GB 16245-1996 Health STANDARD for oxalic acid in the air of workplace via email in 1-3 business day please email coc@codeofchina.com for quotation
GBZ/T 240.2-2011 (USD) via email in 1-3 business day VALID
GBZ/T 300.142-2017 Determination of toxic substances in workplace air—Part 142: Trichloroaniline via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 287-2017 Guidelines for prevention and control of occupational hazards in wood processing industry via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 160.16-2004 Methods for determination of nickel and its compounds in the air of workplace (USD) via email in 1-3 business day VALID
GB/T 16120-1995 Workplace air—Determination of dichlorvos—Solvent desorption gas chromatographic method via email in 1-3 business day please email coc@codeofchina.com for quotation
GBZ/T 160.65-2004 Methods for determination of halogenated aliphatic esters in the air of workplace (USD) via email in 1-3 business day ABOLISHED
GBZ/T 300.54-2017 Determination of toxic substances in workplace air—Part 54: Tellurium and its compounds via email in VALID please email coc@codeofchina.com for quotation
GB/Z 277-2016 General principles for assessment of occupational hazard via email in VALID please email coc@codeofchina.com for quotation
GB/T 16075-1995 Workplace air—Determination of ethylene oxide—Thermal desorption gas chromatographic method via email in 1-3 business day please email coc@codeofchina.com for quotation
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