Maximum Exposure Limits

acrylamide [0.3 mg m^-3 long-term]
acrylonitrile [4]
anisidine, ortho and para [0.1 ppm]
antimony and compounds [0.5 ppm long-term]
arsenic and compounds (except arsine) [0.1]
azodicarbonamide {1 long-term, 3 short-term]
benzene [16]
benzyl chloride [0.5 ppm long-term, 1.5 ppm short-term]
beryllium and its compounds [0.002]
bis (chloromethyl) ether (BCME) [0.005]
buta-1,3-diene [10 ppm long-term]
2-butoxyethanol [25 ppm long-term]
cadmium [0.025]
cadmium oxide fume [0.025; short-term 0.05]
cadmium sulfide and cadmium sulfide pigments respirable dust [0.04]
carbon disulfide [30]
1-chloro-2,3-epoxypropane [2; short-term 6]
chromium (VI) compounds [0.05]
cobalt and its compounds [0.1]
cotton dust [2.5 long-term]
1,2-dibromoethane [4]
1,2-dichloroethane [20]
dichloromethane [350; short-term 1050]
2,2'-dichloro-4,4'methylene dianiline (MbOCA) [0.005]
diethyl sulphate [0.05 ppm long-term]
dimethyl sulphate [0.05 ppm long-term]
2-ethoxyethanol [37]
2-ethoxyethyl acetate [54]
ethylene oxide [10]
ferrous foundry particulate inhalable dust [10]
ferrous foundry particulate respirable dust [4]
formaldehyde [2.0 ppm; short-term 2.0 ppm]
grain dust [10]
hydrazine [0.02 ppm short-term, 0.1 ppm long-term]
hydrogen cyanide [short-term only, 10]
iodomethane [2 ppm long-term]
isocyanates [0.02; short-term 0.07]
maleic anhydride [1 long-term, 3 short-term]
man-made mineral fibre [5]
2-methoxyethanol [16]
2-methoxyethyl acetate [24]
4,4'-methylenedianiline [0.08]
nickel and its compounds [0.5]
2-nitropropane [18]
PCBs [0.1]
Phenol [2 ppm]
phthalic anhydride [4 ppm long-term, 12 ppm short-term]
platinum, soluble salts [0.002]
propylene oxide [5 ppm long-term]
rubber fume [0.6]
rubber process dust [6]
silica, crystalline, respirable dust [0.4]
softwood dust [5]
styrene [420; short-term 1050]
o-toluidine [5 [0.2 ppm long-term]
1,1,1-trichloroethane [200 long-term]
trichloroethylene [535; short-term 802]
triglycidyl isocyanurate [0.1 ppm long-term]
trimellitic anhydride [0.04 ppm long-term, 0.12 ppm short-term]
vinyl chloride [ 7 ppm]
vinylidene chloride (1,1-dichloroethylene) [40]
wood dust (hard wood) [5]
wood process dust [10]

Updated November 23, 2006.
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