title: Pattern of polycyclic aromatic hydrocarbons (PAHs) pollution in communication air of Hangzhou, China.
abstract: Nine PAHs were surveyed in communication air of Hangzhou. The results indicated that the PAHs pollution is very serious and the total sum of 9 PAHs, on the average are 3.39-13.82 micrograms/m3. The PAHs signatures for all streets are similar to each other. Multivariate statistical techniques were used to investigate source apportionment for PAHs. A factor analysis/multiple regression model was successfully applied to the study. The most important three PAHs sources in communication air are diesel emission, gasoline engine emission, coal-burning accounting for 61.1 +/- 6.4%, 19.9 +/- 8.3%, 10.8 +/- 10.8% of total PAHs, respectively. The relationship for three source tracers and total PAHs is: [PAHs] = 1.471 (+/- 0.155) [Phen] + 2.538 (+/- 2.522) [1 - Mepy] + 2.254 (+/- 0.943) [Chry] + 1.022 (+/- 1.767).
authors.affiliation: Department of Environmental Science, Zhejiang University, Hangzhou 310028, China.
authors.forename: Jing
authors.initials: J
authors.lastname: Wang
authors.forename: Li-zhong
authors.initials: LZ
authors.lastname: Zhu
authors.forename: Yong-jian
authors.initials: YJ
authors.lastname: Liu
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D002681:China; D002947:Cities; D004784:Environmental Monitoring; D011084:Polycyclic Aromatic Hydrocarbons / Q000032:analysis*; D001335:Vehicle Emissions / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D011084:Polycyclic Aromatic Hydrocarbons; D001335:Vehicle Emissions