Sources and temporal trends of chlorinated paraffins in PM2.5 in a megacity in central China - Nan Jiang; Jiasen Guo; Zhangpeng Guo; Zhengqing Lv; Yuan Gao; Faqiang Zhan; Zichen Wang; Minzhen Li; Ruiqin Zhang; Haijun Zhang; Ningbo Geng; Jiping Chen (Environmental Pollution, 2025)