汾渭平原典型城乡PM2.5中多环芳烃特征与健康风险

蔡瑞婷, 肖舜, 董治宝, 曹军骥, 张宁宁, 刘随心, 沈振兴, 徐红梅, 陶燕, 李星敏, 王鑫, 王雨萌

Characteristics and health risk of polycyclic aromatic hydrocarbons in PM2.5 in the typical urban and rural areas of the Fenwei Plain

CAI Ruiting, XIAO Shun, DONG Zhibao, CAO Junji, ZHANG Ningning, LIU Suixin, SHEN Zhenxing, XU Hongmei, TAO Yan, LI Xingmin, WANG Xin, WANG Yumeng

表2 重污染天气下PM2.5中PAHs的TEQ均值(μg/m3)

Tab. 2 Average TEQ of PAHs in PM2.5 in heavy polluted weather (μg/m3)

单体PAHs TEFi 西安TEQ 陇县TEQ 单体PAHs TEFi 西安TEQ 陇县TEQ Acy 0.001 0.00383 0.00123 Chr 0.01 0.23066 0.89568 Ace 0.001 0.00818 0.00178 BbF 0.10 2.45329 7.87647 Fl 0.001 0.00157 0.00365 BkF 0.10 3.51998 3.05048 Phe 0.001 0.01240 0.00909 BaP 1.00 18.39103 40.82083 Ant 0.010 0.01870 0.01310 IcdP 0.10 1.86381 5.06751 Flu 0.001 0.02908 0.09293 DBA 1.00 16.31994 13.74001 Pyr 0.001 0.01833 0.08488 BghiP 0.01 0.19340 0.30031 BaA 0.100 1.30446 7.76588 ∑TEQ 44.36863 79.72385