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DOL OEL-RL |
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P |
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Substance |
TWA OEL-RL |
Short Term OEL-RL |
Notes | ||
| ppm | mg/m3 | ppm | mg/m3 | ||
| PCBs | |||||
| Chlorinated biphenyls (42% chlorine) |
- | 1 | - | 2 | Sk |
| Chlorinated biphenyls (54% chlorine) |
- | 0.5 | - | 1 | Sk |
| Paraffin wax, fume | - | 2 | - | 6 | - |
| Paraquat dichloride (ISO) | |||||
| respirable dust | - | 0.1 | - | - | - |
| Parathion (ISO) | - | 0.1 | - | 0.3 | Sk |
| Parathion-methyl (ISO) | - | 0.2 | - | 0.6 | Sk |
| Pentacarbonyliron (as Fe) | 0.01 | 0.08 | - | - | - |
| Pentachlorophenol | - | 0.5 | - | 1.5 | Sk |
| Pentaerythritol | |||||
| total inhalable dust | - | 10 | - | 20 | - |
| respirable dust | - | 5 | - | - | - |
| Pentane, all isomers | 600 | 1800 | 750 | 2250 | - |
| Pentan-2-one | 200 | 700 | 250 | 875 | - |
| Pentan-3-one | 200 | 700 | 250 | 875 | - |
| Pentyl acetate | 100 | 530 | 150 | 800 | - |
| Perchloroethylene | 50 | 335 | 150 | 1000 | - |
| Perchloryl fluoride | 3 | 14 | 6 | 28 | - |
| Phenacyl chloride | 0.05 | 0.3 | - | - | - |
| Phenol | 5 | 19 | 10 | 38 | Sk |
| p-Phenylenediamine | - | 0.1 | - | - | Sk |
| Phenyl-2,3-epoxypropyl ether | 1 | 6 | - | - | - |
| Phenylethylene | 100 | 420 | 250 | 1050 | - |
| Phenylhydrazine | 5 | 20 | 10 | 45 | Sk |
| 2-Phenylpropene | - | - | 100 | 480 | - |
| Phorate (ISO) | - | 0.05 | - | 0.2 | Sk |
| Phosdrin | 0.01 | 0.1 | 0.03 | 0.3 | Sk |
| Phosgene | 0.1 | 0.4 | - | - | - |
| Phosphine | - | - | 0.3 | 0.4 | - |
| Phosphorus, yellow | - | 0.1 | - | 0.3 | - |
| Phosphorus pentachloride | 0.1 | 1 | - | - | - |
| Phosphorus pentasulphide | - | 1 | - | 3 | - |
| Phosphorus trichloride | 0.2 | 1.5 | 0.5 | 3 | - |
| Phosporyl trichloride | 0.2 | 1.2 | 0.6 | 3.6 | - |
| Phthalic anhydride | 1 | 6 | 4 | 24 | Sen |
| Picloram (ISO) | - | 10 | - | 20 | - |
| Picric acid | - | 0.1 | - | 0.3 | Sk |
| Piperazine dihydrochloride | - | 5 | - | - | - |
| Piperidine | 1 | 3.5 | - | - | Sk |
| Plaster of Paris | |||||
| total inhalable dust | - | 10 | - | - | - |
| respirable dust | - | 5 | - | - | - |
| Platinum metal | - | 5 | - | - | - |
| Platinum salts, soluble (as Pt) | - | 0.002 | - | - | Sen |
| Polychlorinated biphenyls (PCBs) - See PCBs | |||||
| Polyvinyl chloride (PVC) | |||||
| total inhalable dust | - | 10 | - | - | - |
| respirable dust | - | 5 | - | - | - |
| Portland Cement | |||||
| total inhalable dust | - | 10 | - | - | - |
| respirable dust | - | 5 | - | - | - |
| Potassium hydroxide | - | - | - | 2 | - |
| Propane-1,2-diol | |||||
| total (vapour and particulates) | 150 | 470 | - | - | - |
| particulates | - | 10 | - | - | - |
| n-Propanol | 200 | 500 | 250 | 625 | Sk |
| Propan-1-ol | 200 | 500 | 250 | 625 | Sk |
| Propan-2-ol | 400 | 980 | 500 | 1225 | Sk |
| Propargyl alcohol | 1 | 2 | 3 | 6 | Sk |
| Propionic acid | 10 | 30 | 15 | 45 | - |
| Propoxur (ISO) | - | 0.5 | - | 2 | - |
| n-Propyl acetate | 200 | 840 | 250 | 1050 | - |
| Propylene dinitrate | 0.2 | 1.2 | 0.2 | 1.2 | Sk |
| Propylene glycol | |||||
| total (vapour and particulates) | 150 | 470 | - | - | - |
| particulates | - | 10 | - | - | - |
| Propylene glycol dinitrate (PGDN) | 0.2 | 1.2 | 0.2 | 1.2 | Sk |
| Propylene glycol monomethyl ether | 100 | 360 | 300 | 1080 | Sk |
| Prop-2-yn-1-ol | 1 | 2 | 3 | 6 | Sk |
| Pulverised Fuel Ash | |||||
| total inhalable dust | - | 10 | - | - | - |
| respirable dust | - | 5 | - | - | - |
| Pyrethrins (ISO) | - | 5 | - | 10 | - |
| Pyridine | 5 | 15 | 10 | 30 | - |
| 2-Pyridylamine | 0.5 | 2 | 2 | 8 | - |
| Pyrocatechol | 5 | 20 | - | - | - |