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OEL-CL

OEL-RL:

A-B C-C D-D E-E F-L M-M N-O P-P Q-S T-T U-Z

DOL OEL-RL

A - B

Substance

TWA OEL-RL

Short Term OEL-RL

Notes
ppm mg/m3 ppm mg/m3
Acetaldehyde 100 180 150 270 -
Acetic acid 10 25 15 37 -
Acetic anhydride - - 20 -
Acetone 750 1780 1500 3560 -

Acetonitrile

40 70 60 105 -
o-Acetylsalicylic acid - 5 - - -
Acrylaldehyde (Acrolein) 0.1

0.25

0.3 0.8 -
Acrylic acid 10 30 20 60 -
Aldrin (ISO) - 0.25 - 0.75

Sk

Allyl alcohol 2 5 4

10

Sk
Allyl chloride 1 3 2 6 -
Allyl 2,3-epoxypropyl ether 5 22 10 44 Sk
Allyl glycidyl ether (AGE) 5 22 10 44 Sk
Aluminium alkyl compounds - 2 - - -
*Aluminium metal
   total inhalable dust - 10 - - -
   respirable dust - 5 - - -
*Aluminium oxides
   total inhalable dust - 10 - - -
   respirable dust - 5 - - -

*The OEL-RL for aluminium does not include exposure to aluminium coated with mineral oil, or to fume arising from aluminium welding, processes.

Aluminium salts, soluble - 2 - - -
Aminodimethylbenzene 2 10 10 50 Sk
2-Aminoethanol 3 8 6 15 -
2-Aminopyridine 0.5 2 2 8 -
Ammonia 25 17 35 24 -
Ammonium chloride, fume - 10 - 20 -
Ammonium sulphamidate - 10 - 20 -
n-Amyl acetate 100 530 150 800 -
sec-Amyl acetate - - 150 800 -
Aniline 2 10 5 20 Sk
Anisidines, o- and p-isomers 0.1 0.5 - - Sk
Antimony & compounds (as Sb) - 0.5 - - -
Arsine 0.05

0.2

- - -
Asphalt, petroleum fumes - 5 - 10 -
Aspirin - 5 - - -
Atrazine (ISO) - 10 - - -
Azinphos-methyl (ISO) - 0.2 - 0.6

Sk

Aziridine - 10 - - -
y-BHC (ISO) - 0.5 - 1.5 Sk
Barium compounds, soluble (as Ba) - 0.5 - - -
Barium sulphate, respirable dust - 2 - - -
Benomyl (ISO) - 10 - 15 -
Benzenethiol 0.5 2 - - -
Benzene-1,2,4-tricarboxylic acid 1,2-anhydride - 0.04 - - Sen
p-Benzoquinone 0.1 0.4 0.3 1.2 -
Benzoyl peroxide - 5 - - -
Benzyl butyl phthalate - 5 - - -
Benzyl chloride 1 5 - - -
Beryllium - 0.002 - - -
Biphenyl 0.2 1.5 0.6 4 -
2,2-Bis(p-methoxyphenyl) -1,1,1-trichloroethane - 1 - 3 -
Bis(2,3-epoxypropyl) ether 0.1 0.6 - - -
Bis(2-ethylhexyl phthalate) - 5 - 10 -
2,2-Bis(p-methoxyphenyl) -1,1,1 -trichloroethane - 10 - - -
Bismuth telluride - 10 - 20 -
Bismuth telluride, selenium-doped -

5

- 10 -
Borates, (tetra) sodium salts
   anhydrous - 1 - - -
   decahydrate - 5 - - -
   pentahydrate - 1 - - -
Bornan-2-one 2 12 3 18 -
Boron oxide - 10 - 20 -
Boron tribromide - - 1 10 -
Boron trifluoride - -

1

3 -
Bromacil (ISO) 1 10 2 20 -
Bromine 0.1 0.7 0.3 2 -
Bromine pentafluoride 0.1 0.7 0.3 2 -
Bromochloromethane 200 1050 250 1300 -
Bromoethane 200 890 250 1110 -
Bromoethylene 5 20 - - -
Bromoform 0.5 5 - - Sk
Bromomethane 5 20 15

60

Sk
Bromotrifluoromethane 1000 6100 1200 7300 -
Butane 600 1430 750 1780 -
Butan-1-ol - - 50 150 Sk
Butan-2-ol 100 300 150 450 -
Butan-2-one 200 590 300 885 -

trans-But-2-enal

2 6 6 18 -
Butyl acetate 150 710 200 950 -
sec-Butyl acetate 200 950 250 1190 -
tert-Butyl acetate 200 950 250 1190 -
Butyl acrelate 10 55 - - -
n-Butyl alcohol - - 50 150 Sk
sec-Butyl alcohol 100 300 150 450 -
tert-Butyl alcohol 100 300 150 450 -
n-Butylamine - - 5 15 -
Butyl benzyl phthalate - 5 - - -
n-Butyl chloroformate 1 5.6 - - -
Butyl-2,3-epoxypropyl ether 25 135 - - -
n-Butyl glycidyl ether (BGE) 25 135 - - -
Butyl lactate 5 25 - - -
2-sec-Butylphenol 5 30 - - Sk