Table 4.
Average ± standard deviation of background-corrected concentrations of individual VOCs Measured by Whole-air Sampling with Canisters during Laser Printing (μg m−3).
| VOC | HP2055dn laser | HP2600 laser | ||
|---|---|---|---|---|
|
|
|
|||
| 10 pages | 80 pages | 10 pages | 80 pages | |
| Acetaldehyde | 2.0 | 20.5 | 6.8 | 27.2 |
| Ethanol | 24.3 | 38.7 ± 45.9 | 53.6 ± 15.6 | |
| Acetonitrile | 0.1 | 2.1 | 0.2 | |
| Acetone | 5.1 | |||
| Isopropyl alcohol | 38.6 | 113.2 | 204.6 | 272.1 |
| n-Hexane | 3.8 | 0.3 | 1.4 ± 0.8 | |
| Chloroform | 0.3 | 3.1 | ||
| Benzene | 3.2 ± 0.8 | 1.0 | ||
| Toluene | 16.5 ± 20.7 | 26.8 | 0.3 | |
| Ethylbenzene | 87.5 | 4.0 | ||
| m,p-Xylene | 0.3 | 34.7 | 7.9 | 2.5 |
| Styrene | 4.4 | 8.1 | 4.4 | |
| o-Xylene | 0.3 | 26.9 ± 36.5 | 1.3 | |
| D-Limonene | 26.6 | 7.1 | 15.5 | |
Note. Empty cell = compound not detected or present at level less than background (pre-operating phase).