Table 2 Measurements in the work environment
From: Reticulocytosis in screen-printing workers exposed to 2-butoxyethanol and 2-ethoxyethanol
| Measured Solvent |
OEL (TWA, ppm) |
Measurement Second half of 2015 (ppm) |
Measurement First half of 2016 (ppm) | ||
|---|---|---|---|---|---|
| Primary operator | Secondary operator | Primary operator | Secondary operator | ||
| 2-Butoxyethanol | 20 | 1.408 | 2.056 | 3.350 | 3.099 |
| 2-Ethoxyethanol | 5 | NE | NE | 2.578 | 2.507 |
| Ethylbenzene | 100 | 3.451 | 2.904 | 3.994 | 4.110 |
| Xylene | 100 | 1.351 | 1.559 | 1.815 | 2.727 |
| Cyclohexanone | 25 | 3.704 | 2.847 | 1.507 | 3.024 |
| Trimethylbenzene | 25 | 0.016 | ND | 0.327 | 0.491 |
| Isopropyl alcohol | 200 | NE | NE | 0.484 | 0.418 |
| Methyl isobutyl ketone | 50 | ND | ND | NE | NE |
| Toluene | 50 | ND | ND | NE | NE |