Personal daily exposures to benzo(a)pyrene of taxi drivers in Genoa, Italy

Twenty-four hour personal exposures (both occupational and environmental) to benzo(a)pyrene (BaP) of 15 taxi drivers working in Genoa, Italy, were monitored in May–July 1998 (15 samplings), February 1999 (7 samplings) and June 1999 (7 samplings). The mean BaP exposures measured at these different times were 1.4 ng/m3, 1.23 ng/m3 and 1.22 ng/m3, respectively, values were significantly greater than the levels found in controls (0.16±0.2 ng/m3). Mean daily personal BaP exposures of taxi drivers were not statistically different from the mean daily airborne BaP concentrations measured by fixed samplers during the same sampling periods.