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DOI: 10.1371/journal.pone.0086441
论文题名:
Concentrations, Source and Risk Assessment of Polycyclic Aromatic Hydrocarbons in Soils from Midway Atoll, North Pacific Ocean
作者: Yuyi Yang; Lee Ann Woodward; Qing X. Li; Jun Wang
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2014
发表日期: 2014-1-23
卷: 9, 期:1
语种: 英语
英文关键词: Atolls ; Petroleum ; Combustion ; Coal ; Sediment ; Supercritical fluid extraction ; Inhalation ; Pollutants
英文摘要: This study was designed to determine concentrations of polycyclic aromatic hydrocarbons (PAHs) in soil samples collected from Midway Atoll and evaluate their potential risks to human health. The total concentrations of 16 PAHs ranged from 3.55 to 3200 µg kg−1 with a mean concentration of 198 µg kg−1. Higher molecular weight PAHs (4–6 ring PAHs) dominated the PAH profiles, accounting for 83.3% of total PAH mass. PAH diagnostic ratio analysis indicated that primary sources of PAHs in Midway Atoll could be combustion. The benzo[a]pyrene equivalent concentration (BaPeq) in most of the study area (86.5%) was less than 40 µg kg−1 BaPeq and total incremental lifetime cancer risks of PAHs ranged from 1.00×10−10 to 9.20×10−6 with a median value of 1.24×10−7, indicating a minor carcinogenic risk of PAHs in Midway Atoll.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0086441&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/20143
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei Province, China;U.S. Fish and Wildlife Service, Pacific Reefs NWRC, Honolulu, Hawaii, United States of America;Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, Honolulu, Hawaii, United States of America;Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei Province, China;Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, Honolulu, Hawaii, United States of America

Recommended Citation:
Yuyi Yang,Lee Ann Woodward,Qing X. Li,et al. Concentrations, Source and Risk Assessment of Polycyclic Aromatic Hydrocarbons in Soils from Midway Atoll, North Pacific Ocean[J]. PLOS ONE,2014-01-01,9(1)
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