PMID- 31995868 OWN - NLM STAT- MEDLINE DCOM- 20200331 LR - 20200331 IS - 1879-1298 (Electronic) IS - 0045-6535 (Linking) VI - 243 DP - 2020 Mar TI - Assessment of the spatial distribution of organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) in urban soil of China. PG - 125392 LID - S0045-6535(19)32632-3 [pii] LID - 10.1016/j.chemosphere.2019.125392 [doi] AB - Long-term (2004-2018) persistent organic pollutants (POPs) data were collected for urban soils of China. The dataset included concentrations of organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) in soils, comprising a range of different compounds. Understanding the source of OCP and PCB pollution is an important step in controlling and reducing pollution levels in the environment. This study aimed to analyze the spatio-temporal distribution, pollution sources, and potential health risks of OCPs and PCBs in urban soils in different regions of China. It was found that the total OCP concentrations ranged from 7.6 to 37331 mug/kg with a mean value of 2861 mug/kg, and PCBs concentrations ranged from 0.3 to 123467 mug/kg with a mean value of 4984 mug/kg. The highest OCP concentrations were observed in Beijing and Hebei, whereas the highest PCB concentrations were found in the Zhejiang province. The geographical distribution showed that the total mean concentration of POPs of urban soil was much higher in East China than in West China. According to the isomer ratios, about 64% of provinces and cities showed new sources of dichlorodiphenyltrichloroethane (DDT) input and dicofol input was found in 30% of China. Hexachlorocyclohexane (HCH) in urban soils was mainly derived from fresh usage of lindane (gamma-HCH) in most regions of China. Lifetime carcinogenic and non-carcinogenic risks of OCPs and PCBs through ingestion, inhalation, and dermal contact indicated that PCBs in urban soils of China often exceeded safe levels. The total lifetime carcinogenic risk values of PCBs were higher than the individual lifetime acceptable risk level (10(-4)) in 64% of the studied regions and the non-carcinogenic risk values exceeded the target risk level (10(-1)) in 53% of the regions. The improved knowledge of the distribution and main pollution sources of POPs in urban soil of China as a result of this study can contribute to better decision-making support for soil pollution control and monitoring. CI - Copyright (c) 2019. Published by Elsevier Ltd. FAU - Yu, Haiyan AU - Yu H AD - School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China. FAU - Liu, Yongfeng AU - Liu Y AD - School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China. FAU - Shu, Xingquan AU - Shu X AD - School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China. FAU - Ma, Limin AU - Ma L AD - School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China. Electronic address: lmma@tongji.edu.cn. FAU - Pan, Yuwei AU - Pan Y AD - College of Biology and the Environment, Nanjing Forestry University, Nanjing, 210037, China. LA - eng PT - Journal Article DEP - 20191121 PL - England TA - Chemosphere JT - Chemosphere JID - 0320657 RN - 0 (Hydrocarbons, Chlorinated) RN - 0 (Pesticides) RN - 0 (Soil Pollutants) RN - 59NEE7PCAB (Hexachlorocyclohexane) RN - CIW5S16655 (DDT) RN - DFC2HB4I0K (Polychlorinated Biphenyls) RN - W4WMM0WS91 (Dicofol) SB - IM MH - Beijing MH - China MH - DDT/analysis MH - Dicofol/analysis MH - Environmental Monitoring MH - Hexachlorocyclohexane MH - Hydrocarbons, Chlorinated/*analysis MH - Pesticides/*analysis MH - Polychlorinated Biphenyls/*analysis MH - Soil Pollutants/*analysis MH - Spatio-Temporal Analysis MH - Urbanization OTO - NOTNLM OT - Health risks OT - Persistent organic pollutants OT - Source apportionment OT - Spatio-temporal distribution OT - Urban soil EDAT- 2020/01/31 06:00 MHDA- 2020/04/01 06:00 CRDT- 2020/01/31 06:00 PHST- 2019/07/26 00:00 [received] PHST- 2019/11/12 00:00 [revised] PHST- 2019/11/15 00:00 [accepted] PHST- 2020/01/31 06:00 [entrez] PHST- 2020/01/31 06:00 [pubmed] PHST- 2020/04/01 06:00 [medline] AID - S0045-6535(19)32632-3 [pii] AID - 10.1016/j.chemosphere.2019.125392 [doi] PST - ppublish SO - Chemosphere. 2020 Mar;243:125392. doi: 10.1016/j.chemosphere.2019.125392. Epub 2019 Nov 21.