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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

T

Substance

TWA OEL-RL

Short Term OEL-RL

Notes
ppm mg/m3 ppm mg/m3
2.4.5-T (ISO) - 10  - 20 -
TDI - 0.02 - 0.07 Sen
TEDP - 0.2 - - Sk
TEPP (ISO) 0.004 0.05 0.01 0.2 Sk
TNT - 0.5 - - Sk
Talc
   total inhalable dust - 10 - - -
   respirable dust - 1 - - -
Tantalum - 5 - 10 -
Tellurium & compounds, except hydrogen telluride, (as Te) - 0.1 - - -
Terphenyls, all isomers - - 0.5 5 -
1,1,2,2-Tetrabromoethane 0.5 7 - - Sk
Tetrabromomethane 0.1 1.4 0.3 4 -
Tetracarbonylnickel (as Ni) - - 0.1 0.24 -
1,1,1,2-Tetrachloro-2,2- difluoroethane 100 834 100  834 -
1,1,2,2-Tetrachloro 1,2-difluoroethane 100 834 100 834 -
Tertrachloroethylene 50 335 150 1000 -
Tetrachloromethane  2 12.6 - - Sk
Tetrachloronaphthalenes, all isomers - 2 - 4 -
O,O,O',O'-Tetraethyl dithiopyrophosphate - 0.2 - - Sk
O,O,O',O'-Tetraethyl pyro-phosphate 0.004 0.05 0.01 0.2 Sk
Tetraethyl orthosilicate 10 85 30 255 -
Tetrafluorodichloroethane 1000 7000 1250 8750 -
Tetrahydrofuran 200 590 250 735 -
Tetramethyl orthosilicate 1 6 5 30 -
Tetramethyl succinonitrile 0.5 3 2 9 Sk
Tetrasodium pyrophosphate - 5 - - -
Tetryl - 1.5 - Sk
Thallium, soluble compounds (as Tl) - 0.1 - - Sk
4,4'-Thiobis(6-tert-butyl-m-cresol) - 10 - 20 -
Thioglycollic acid 1 5 - - -
Thionyl chloride - - 1 5 -
Thiram (ISO) - 5 - 10 -
Tin, compounds, inorganic, except SnH4, (as Sn) - 2 - 4 -
Tin compounds, organic, except Cyhexatin (ISO), (as Sn) - 0.1 - 0.2 Sk
Titanium dioxide
   total inhalable dust - 10 - - -
   respirable dust - 5 - - -
Toluene 50 188 150 560 Sk
Toluene diisocyanate (TDI) - 0.02 - 0.07 Sen
p-Toluenesulphonyl chloride - - - 5 -
1,4,7-Tri-(aza)-heptane 1 4 - - Sk
Tribromomethane 0.5 5 - - Sk
Tributyl phosphate, all isomers - 5 - 5 -
Tricarbonyl (eta-cyclopentadienyl) manganese (as Mn) - 0.1 - 0.3  Sk
Tricarbonyl (methylcyclopentadienyl) manganese (as Mn) - 0.2 - 0.6 Sk
Trichloroacetic acid 1 5 - - -
1,2,4-Trichlorobenzene 5 40 5 40 -
1,1,1-Trichlorobis (chlorophenyl) ethane - 1 - 3 -
1,1,2-Trichloroethane 10 45 20 90 Sk
Trichlorofluoromethane 1000 5600 1250 7000 -
Trichloromethane 2 9.8 - - -
Trichloronitromethane 0.1 0.7 0.3 2 -
2,4,5-Trichlorophenoxyacetic acid - 10 - 20 -
1,2,3-Trichloropropane 50 300 75 450 -
1,1,2-Trichlorotrifluoroethane 1000 7600 1250 9500 -
Tri-o-cresyl phosphate - 0.1 - 0.3 -
Tricyclohexyltin hydroxide - 5 - 10 -
Tridymite, respirable dust - 0.4 - - -
Triethylamine 10 40 15 60 -
Trifluorobromomethane 1000 6100 1200 7300 -
Trimanganese tetraoxide - 1 - - -
Trimellitic anhydride - 0.04 - - Sen
Trimethylamine 10 24 15 36 -
Trimethylbenzenes, all isomers or mixtures 25 123 - - -
3,5,5-Trimethylcyclohexenone - - 5 25 -
Trimethyl phosphite 2 10 - - -
2,4,6-Trinitrophenol - 0.1 - 0.3 Sk
2,4,6-Trinitrotoluene - 0.5 - - Sk
Triphenyl phosphate - 3 - 6 -
Tripoli, respirable dust - 0.4 - - -
Tri-o-tolyl phosphate - 0.1 - 0.3 -
Tungsten & compounds (as W)
   soluble - 1 - 3 -
   insoluble - 5 - 10 -
Turpentine 100 560 150 840 -