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GBZ/T 300.69-2017 Determination of toxic substances in workplace air—Part 69: Biphenyl and hydrogenated terphenyls via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 300.127-2017 Determination of toxic substances in workplace air—Part 127: Acrylates via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 229.4-2012 Classification of occupational hazards at workplaces--Part 4:Occupational exposure to noise 180 (USD) via email in 1-3 business day VALID
GBZ/T 240.26-2011 180 (USD) via email in 1-3 business day VALID
GBZ/T 240.19-2011 180 (USD) via email in 1-3 business day VALID
GBZ/T 300.150-2017 Determination of toxic substances in workplace air—Part 150: DDVP,thimet and parathion via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 240.12-2011 180 (USD) via email in 1-3 business day VALID
GBZ/T 300.140-2017 Determination of toxic substances in workplace air—Part 140: Hydrazine, methyl hydrazine and 1,1-dimethylhydrazine via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 300.38-2017 Determination of toxic substances in workplace air—Part 38: Carbon disulfide via email in VALID please email coc@codeofchina.com for quotation
GB 16183-1996 Health STANDARD for thallium in the air of workplace via email in 1-3 business day please email coc@codeofchina.com for quotation
GBZ/T 189.5-2007 Measurement of Physical Agents in Workplace Part 5:Microwave Radiation 45 (USD) via email in 1-3 business day VALID
GBZ/T 300.60-2017 Determination of toxic substances in workplace air—Part 60: Pantane, hexane, heptane, octane and nonane via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 300.4-2017 Determination of toxic substances in workplace air—Part 4: Beryllium and its compounds via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 160.70-2004 Methods for determination of alkylolamines in the air of workplace 60 (USD) via email in 1-3 business day ABOLISHED
GB 18536-2001 Occupational exposure limit for phosphorus oxychioride in the air of workplace 220 (USD) via email in 1 business day ABOLISHED
GBZ/T 300.27-2017 Determination of toxic substances in workplace air—Part 27: Dibutyltin dilaurate, trimethyltin chloride and triethyltin chloride via email in VALID please email coc@codeofchina.com for quotation
GB/T 17087-1997 Workplace air--Determination of molybndeum-ICP-AES method via email in 1-3 business day please email coc@codeofchina.com for quotation
GB 10438-1989 Hygienic STANDARD for environmental meteorology in underground workplace of coal mine via email in 1-3 business day please email coc@codeofchina.com for quotation
GBZ/T 300.162-2018 Determination of toxic substances in workplace air—Part 162:Benzoquinone via email in VALID please email coc@codeofchina.com for quotation
GBZ/T 300.61-2017 Determination of toxic substances in workplace air—Part 61: Butylene, 1,3-butadiene and dicyclopentadiene 135 (USD) via email in 1 business day VALID
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