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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 |
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Q - S |
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|
Substance |
TWA OEL-RL |
Short Term OEL-RL |
Notes | ||
| ppm | mg/m3 | ppm | mg/m3 | ||
| Quartz, crystalline | |||||
| respirable dust | - | 0.4 | - | - | - |
| Quinone | 0.1 | 0.4 | 0.3 | 1.2 | - |
| RDX | - | 1.5 | - | 3 | Sk |
| Resorcinol | 10 | 45 | 20 | 90 | - |
| Rhodium (as Rh), | |||||
| metal fume and dust | - | 0.1 | - | 0.3 | - |
| soluble salts | - | 0.001 | - | 0.003 | - |
| Ronnel | - | 10 | - | - | - |
| Rosin core solder pyrolysis products as formaldehyde | - | 0.1 | - | 0.3 | Sen |
| Rotenone (ISO) | - | 5 | - | 10 | - |
| Rouge | |||||
| total inhalable dust | - | 10 | - | - | - |
| respirable dust | - | 5 | - | - | - |
| Selenium and compounds, except hydrogen selenide (as Se) | - | 0.1 | - | - | - |
| Silane | 0.5 | 0.7 | 1 | 1.5 | - |
| Silica, amorphous | |||||
| total inhalable dust | - | 6 | - | - | - |
| respirable dust | - | 3 | - | - | - |
| Silica, fused | |||||
| respirable dust | - | 0.1 | - | - | - |
| Silicon | |||||
| total inhalable dust | - | 10 | - | - | - |
| respirable dust | - | 5 | - | - | - |
| Silicon carbide | |||||
| total inhalable dust | - | 10 | - | - | - |
| respirable dust | - | 5 | - | - | - |
| Silicon tetrahydride | 0.5 | 0.7 | 1 | 1.5 | - |
| Silver | - | 0.1 | - | - | - |
| Silver compounds (as Ag) | - | 0.01 | - | - | - |
| Sodium azide | - | - | - | 0.3 | - |
| Sodium 2-(2,4-dichlorophenoxy) ethyl sulphate | - | 10 | - | 20 | - |
| Sodium fluoroacetate | - | 0.05 | - | 0.15 | Sk |
| Sodium hydrogensulphite | - | 5 | - | - | - |
| Sodium hydroxide | - | - | - | 2 | - |
| Sodium metabisulphate | - | 5 | - | - | - |
| Starch | |||||
| total inhalable dust | - | 10 | - | - | - |
| respirable dust | - | 5 | - | - | - |
| Stibine | 0.1 | 0.5 | 0.3 | 1.5 | - |
| Strychnine | - | 0.15 | - | 0.45 | - |
| Styrene | 100 | 420 | 250 | 1050 | - |
| Subtilisins (Proteolytic enzymes as 100% pure crystalline enzyme) | - | 0.00006 | - | 0.00006 | - |
| Sucrose | - | 10 | - | 20 | - |
| Sulfotep (ISO) | - | 0.2 | - | - | Sk |
| Sulphur dioxide | 2 | 5 | 5 | 13 | - |
| Sulphur hexafluoride | 1000 | 6000 | 1250 | 7500 | - |
| Sulphuric acid | - | 1 | - | - | - |
| Sulphur monochloride | - | - | 1 | 6 | - |
| Sulphur pentachloride | 0.025 | 0.25 | 0.075 | 0.75 | - |
| Sulphur tetrafluoride | 0.1 | 0.4 | 0.3 | 1 | - |
| Sulphuryl difluoride | 5 | 20 | 10 | 40 | - |