Table 3.
Concentration for BTEX compounds during the personnel exposure study. Concentration values expressed in ng m−3 of air and standard deviation inside parenthesis (SD)
| Participant 1 | Participant 2 | Participant 3 | Participant 4 | Participant 5 | Participant 6 | |
|---|---|---|---|---|---|---|
| benzene | 1.0 (0.8) | 1.1 (0.9) | 1.1 (1.2) | 1.0 (0.4) | 0.9 (0.7) | 1.1 (0.7) |
| toluene | 23.1 (8.2) | 15.5 (17.3) | 15.9 (15.6) | 23.9 (16.1) | 17.2 (10.0) | 54.1 (42.0) |
| ethylbenzene | 8.2 (8.4) | 4.2 (4.4) | 16.2 (10.8) | 10.1 (6.4) | 18.6 (8.6) | 34.3 (19.6) |
| (m+p)-xylene | 25.6 (5.2) | 15.5 (15.4) | 60.2 (24.6) | 17.3 (12.5) | 33.8 (12.2) | 57.9 (42.1) |
| o-xylene | 20.6 (10.8) | 10.2 (9.5) | 47.6 (21.0) | 11.4 (7.1) | 27.4 (10.1) | 45.5 (35.2) |
| Ratio toluene/benzene (T/B) | 22.3 (14.6) | 13.9 (9.1) | 14.1 (4.8) | 24.5 (22.9) | 19.6 (5.0) | 47.8 (85.8) |
| Ratio (m+p-xylene)/ ethylbenzene | 3.1 (6.4) | 3.7 (4.1) | 3.7 (1.7) | 1.7 (0.9) | 1.8 (0.4) | 1.7 (0.3) |