Table 2

Occupational exposure and environmental benzene concentrations measured during workshifts of the study subjects

Benzene (μg/m3, 7 h TWA) Personal exposure of traffic police (n=139) Personal exposure of office police (n=63) Environmental concentrations2-150
Mean (SD)9.3 (11.0)3.8 (1.5)13.1 (3.9)
G mean (SD)6.8 (2.0)3.5 (1.5)12.6 (1.3)
  • 2-150 Mean of hourly averages measured at four urban monitoring stations for 60 days during 0700–1400.