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GBZ/T 229.2-2010 Classification of occupational hazards at workplaces Part2:Occupational exposure to chemicals (USD) via email in 1-3 business day VALID
GBZ/T 314-2018 Determination of nickel in blood—Graphite furnace atomic absorption spectrometry method via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 160.18-2004 Methods for determination of sodium and its compounds in the air of workplace (USD) via email in 1-3 business day ABOLISHED
GB 16196-1996 Health standard for condensed silica dust in the air of workplace (USD) via email in 1 business day ABOLISHED
GBZ/T 225-2010 Guideline for employer of prevention and control of occupational diseases (USD) via email in 1-5 business day VALID
WS/T 137-1999 Workplace air —Determination of chlorobenzene—Solvent desorption gas chromatographic method (USD) via email in 1-3 business day ABOLISHED
GB 11719-1989 Health standard for solvent gasolines in the air of workplace (USD) via email in 1-3 business day
GBZ/T 240.8-2011 (USD) via email in 1-3 business day VALID
GB/T 16031-1995 Workplace air—Determination of ammonia—Nesslers reagent spectrophotometric method via email in 1-3 business day please email coc@codeofchina.com for quotation
GBZ/T 300.132-2017 Determination of toxic substances in workplace air—Part 132: Toluene diisocyanate, diphenylmethane diisocyanate and isophorone diisocyanate via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 229.1-2010 Classification of occupational hazards at workplaces Part 1:Occupational exposure to industrial dust (USD) via email in 1-3 business day VALID
GBZ/T 240.25-2011 (USD) via email in 1-3 business day VALID
GB 16250-1996 Health STANDARD for cortisone in the air of workplace via email in 1-3 business day please email coc@codeofchina.com for quotation
GBZ/T 300.126-2017 Determination of toxic substances in workplace air— Part 126: Dimethyl sulfate and tricresyl phosphate via email in VALID please email coc@codeofchina.com for quotation
GB/T 17077-1997 Workplace air--Determination of isobutyl acetate--Solvent desorption gas chromatographic method via email in 1-3 business day please email coc@codeofchina.com for quotation
GB/T 17072-1997 Workplace air--Determination of p-nitroaniline--Solvent desorption gas chromatographic method via email in 1-3 business day please email coc@codeofchina.com for quotation
GBZ/T 300.101-2017 Determination of toxic substances in workplace air—Part 101: Trichloroacetaldehyde (USD) via email in 1 business day VALID
GBZ/T 300.29-2017 Determination of toxic substances in workplace air—Part 29: Vanadium and its compounds via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 240.15-2011 (USD) via email in 1-3 business day VALID
GBZ/T 300.129-2017 Determination of toxic substances in workplace air—Part 129: Methyl chloroacetate and ethyl chloroacetate via email in VALID please email coc@codeofchina.com for quotation
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