PAH and N-PAH in the urban atmosphere of Rome and Milan
Annali di Chimica (1998)
Abstract
Particulated PAH and nitrated-PAM (N-PAH) have been measured in urban areas of Pome and Milan to assess the exposure of the population to carcinogenic and mutagenic compounds. We found that the index of benz(a)pyrene equivalence of carcinogenic power and the levels of 1-nitropyrene and 2-nitrofluoranthene might represent a genotoxic risk for human health even when benz(a)pyrene does not exceed the reference levels established by Italian law. A new couple of indices (1-nitropyrene and 2- nitrofluoranthene content) is proposed to account for the risk arising from N-PAH emitted from vehicle exhaust gas or produced by photochemical reactions.
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