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Hazardous Chemicals Handbook 2 Episode 5

Tham khảo tài liệu 'hazardous chemicals handbook 2 episode 5', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Table 5.12 Hygiene standards see key and notes on pages 108-110 Threshold limit values USA Occupational exposure limits UK Air odour Substance TWA STEL TWA c STEL c threshold ppm a mg m3 b ppm a mg m3 b ppm mg m3 ppm mg m3 ppm v v Acetaldehyde C25 20 37 50 92 2000 Acetic acid 10 25 15 37 10 25 15 37 21 Acetic anhydride 5C 0.5 0.1 2 0.4 39 Acetone 500 750 750 1810 1500 3620 57 Acetone cyanohydrin SKC4.7 Acetonitrile 40 67 60 101 40 68 60 102 0.23 Acetophenone 10 Acetylene d d 230 Acetylene dichloride see 1 2-Dichloroethylene Acetylene tetrabromide 1 14 Acetylsalicylic acid aspirin 5 5 Acrolein C0.1 0.1 0.25 0.3 0.8 0.61 Acrylamide SK 0.03 e SK 0.3 MEL Acrylic acid SK 2 5.9 10 30 20 60 110 Acrylonitrile SK 2 e 4.3 e SK 2 4.4 MEL 0.12 Adipic acid 5 Adiponitrile 2 Aldrin SK 0.25 SK 0.25 0.75 Allyl alcohol SK 0.5 SK 2 4.8 4 9.7 1.8 Allyl chloride 1 3 2 6 0.84 Allyl glycidyl ether AGE 1 SK 5 24 10 47 Allyl propyl disulphide 2 12 3 18 a-Alumina see Aluminium oxide Aluminium Total inhalable dust 10 Respirable dust 4 Metal dust 10 Pyro powders as Al 5 Welding fumes as Al 5 Alkyls NOC-d as Al 2 Aluminium oxides Total inhalable dust 10 10 Respirable dust 4 Aluminium salts soluble 2 2 4-Aminodiphenyl SK g 2-Aminoethanol see Ethanolamine 2-Aminopyridine 0.5 2 0.5 2 2 8 Amitrole 0.2 Ammonia 25 17 35 24 25 18 35 25 4.8 Ammonium chloride fume Ammonium perfluorooctanoate Ammonium sulphamate Amosite see Asbestos n-Amyl acetate SK 50 10 0.01 10 100 20 50 10 10 270 100 20 20 541 1800 sec-Amyl acetate 50 100 50 270 100 541 61000 Aniline and homologues SK 2 7.6 SK 1 4 1.9 Anisidine o- p-isomers SK 0.1 0.5 SK 0.1 0.5 Antimony and antimony compounds except stibine as Sb 0.5 0.5 Antimony hydride Stibine 0.1 0.1 0.52 0.3 1.6 Antimony trioxide production g p-Aramid respirable fibres 1 Antu 0.3 Argon d d Arsenic elemental and inorganic 0.01 g compounds As except arsine Arsenic trioxide production e Arsine 0.05 0.16 0.05 0.16 0.10 Asbestos all forms g 0.1 j Fibre cc h Asphalt petroleum fumes .