Polychlorinated biphenyls in the atmosphere of Taizhou, a major e-waste
dismantling area in China |
| |
Authors: | Wenliang Han Jialiang Feng Zeping Gu Minghong Wu Guoying Sheng and Jiamo Fu |
| |
Institution: | 1. Institute of Environmental Pollution and Health, Shanghai University, Shanghai 200072, China 2. Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China 3. Institute of Environmental Pollution and Health, Shanghai University, Shanghai 200072, China;Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China |
| |
Abstract: | PM2:5, total suspended particles (TSP) and gas phase samples were collected at two sites of Taizhou, a major e-waste dismantling
area in China. Concentrations, seasonal variations, congener profiles, gas-particle partitioning and size distribution of the atmospheric
polychlorinated biphenyls (PCBs) were studied to assess the current state of atmospheric PCBs after the phase out of massive historical
dismantling of PCBs containing e-wastes. The average P38PCBs concentration in the ambient air (TSP plus gas phase) near the e-waste
dismantling area was (12,407 9592) pg/m3 in winter, which was substantially lower than that found one decade ago. However, the
atmospheric PCBs level near the e-waste dismantling area was 54 times of the reference urban site, indicating that the impact of the
historical dismantling of PCBs containing e-wastes was still significant. Tri-Penta-CBs were dominant homologues, consisting with
their dominant global production. Size distribution of particle-bound PCBs showed that higher chlorinated CBs tended to partition
more to the fine particles, facilitating its long range air transportation. |
| |
Keywords: | polychlorinated biphenyls e-waste PM2:5 total suspended particles Taizhou |
本文献已被 CNKI 维普 万方数据 ScienceDirect 等数据库收录! |
| 点击此处可从《环境科学学报(英文版)》浏览原始摘要信息 |
| 点击此处可从《环境科学学报(英文版)》下载免费的PDF全文 |
|