Biomarkers of internal exposure to benzene in traffic and office police
| Traffic police (n=124) | Office police (n=58) | ||||||
|---|---|---|---|---|---|---|---|
| Before shift | After shift | Before shift | After shift | ||||
| Blood benzene (μg/l): | |||||||
| Mean (SD) | 178 (55) | 213 (111) | 198 (180) | 195 (118) | |||
| G mean (SD) | 170 (1.4) | 195 (1.5) | 173 (1.5) | 176 (1.6) | |||
| Urinary TMA (μg/g creatinine): | |||||||
| Mean (SD) | 81 (123) | 116 (236) | 72 (60) | 125 (138) | |||
| G mean (SD) | 53 (2.2) | 65 (2.7) | 52 (2.3) | 78 (2.7) | |||
| Urinary S-PMA (μg/g creatinine): | |||||||
| Mean (SD) | 1.7 (1.5) | 2.6 (1.8) | 2.2 (1.3) | 2.8 (1.4) | |||
| G mean (SD) | 1.3 (2.2) | 2.1 (1.9) | 1.8 (1.9) | 2.5 (1.7) | |||