Fang Guor-Cheng, Chang Kuan-Foo, Lu Chungsying, Bai Hsunling
Air Toxic and Environmental Analysis Laboratory, Department of Environmental Engineering, Hungkuang Institute of Technology, Hungkuang University, Sha-Luh, Taichung 433, Taiwan.
Chemosphere. 2004 May;55(6):787-96. doi: 10.1016/j.chemosphere.2003.12.012.
The concentrations of polycyclic aromatic hydrocarbons (PAHs) in gas phase and particle bound were measured simultaneously at industrial (INDUSTRY), urban (URBAN), and rural areas (RURAL) in Taichung, Taiwan. And the PAH concentrations, size distributions, estimated PAHs dry deposition fluxes and health risk study of PAHs in the ambient air of central Taiwan were discussed in this study. Total PAH concentrations at INDUSTRY, URBAN, and RURAL sampling sites were found to be 1650 +/- 1240, 1220 +/- 520, and 831 +/- 427 ng/m3, respectively. The results indicated that PAH concentrations were higher at INDUSTRY and URBAN sampling sites than the RURAL sampling sites because of the more industrial processes, traffic exhausts and human activities. The estimation dry deposition and size distribution of PAHs were also studied. The results indicated that the estimated dry deposition fluxes of total PAHs were 58.5, 48.8, and 38.6 microg/m2/day at INDUSTRY, URBAN, and RURAL, respectively. The BaP equivalency results indicated that the health risk of gas phase PAHs were higher than the particle phase at three sampling sites of central Taiwan. However, compared with the BaP equivalency results to other studies conducted in factory, this study indicated the health risk of PAHs was acceptable in the ambient air of central Taiwan.
在台湾台中地区的工业区（INDUSTRY）、市区（URBAN）和农村地区（RURAL），同时测量了气相和颗粒相多环芳烃（PAHs）的浓度。本研究还探讨了台湾中部地区环境空气中PAHs的浓度、粒径分布、估算的PAHs干沉降通量以及健康风险。工业区、市区和农村采样点的总PAH浓度分别为1650±1240、1220±520和831±427 ng/m³。结果表明，由于工业生产过程、交通尾气和人类活动较多，工业区和市区采样点的PAH浓度高于农村采样点。同时还研究了PAHs的估算干沉降和粒径分布。结果表明，工业区、市区和农村的总PAHs估算干沉降通量分别为58.5、48.8和38.6 μg/m²/天。苯并[a]芘等效结果表明，在台湾中部的三个采样点，气相PAHs的健康风险高于颗粒相。然而，与在工厂进行的其他研究的苯并[a]芘等效结果相比，本研究表明台湾中部环境空气中PAHs的健康风险是可以接受的。
