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A-B | C-C | D-D | E-E | F-L | M-M | N-O | P-P | Q-S | T-T | U-Z |
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DOL OEL-RL |
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T |
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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 | - | 3 | 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 | - |