[The survey of polycyclic aromatic hydrocarbons in a habitation air in Hangzhou].

The twelve polycyclic aromatic hydrocarbons(PAHs) were detected in a habitation air air of Hangzhou. The results indicated that the concentrations of PAHs in the habitation air were between 8.237 micrograms/m3 and 14.234 micrograms/m3. The habitation air was seriously polluted by PAHs. The main source of PAHs in the habitation air was from cooking and burning. And the waste gases from vehicular will contribute to it also.