Abstract
Mean benzo(a)pyrene concentrations were evaluated in four Genoan sampling sites. It was verified the respect of air quality standard recently introduced into Italian legislation (2.5 ng/m3 from 1996 and 1 ng/m3 from 1999). In sites along heavy traffic streets the mean BaP concentrations were about 2 ng/m3; on a building's roof, 300 metres from a coke oven, the mean BaP concentration was 14 ng/m3.
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