[논문]Indoor and outdoor poly- and perfluoroalkyl substances (PFASs) in Korea determined by passive air sampler

doi:10.1016/j.envpol.2011.10.037

Indoor and outdoor poly- and perfluoroalkyl substances (PFASs) in Korea determined by passive air sampler

Environmental pollution, v.162, 2012년, pp.144 - 150

Kim, Seung-Kyu (School of Earth and Environmental Sciences (BK-21), Seoul National University, 599 Gwanak-ro, Gwanak-Gu, Seoul 151-742, South Korea) , Shoeib, Mahiba (Environment Canada, Science and Technology Branch, 4905 Dufferin Street, Toronto, Ontario M3H 5T4, Canada) , Kim, Kyeong-Soo (Center for Chemical Safety Management, Chonbuk National University, 664-141 ga Dukjin-dong Duckjin-gu, Jeonju 561-756, South Korea) , Park, Jong-Eun (Department of Environmental Engineering, Chonbuk National University, 664-141 ga Dukjin-dong Duckjin-gu, Jeonju 561-756, South Korea)

Abstract ▼ AI-Helper

AbstractDespite concerns to their increasing contribution to ecological and human exposure, the atmospheric levels of poly- and perfluoroalkyl substances (PFASs) have been determined mainly in Europe and North America. This study presents the indoor and outdoor air concentrations of volatile PFASs [fluorotelomer alcohols (FTOHs), and perfluoroalkyl sulfonamides/sulfonamidoethanols/sulfonamide ethyl acetate (FOSAs/FOSEs/FOSEA)] for the first time in Korean cities. In contrast to the good agreement observed for indoor FTOHs levels in Korea and Europea/North America, FOSAs/FOSEs levels were 10–100-fold lower in Korean indoor air, representing a cultural difference of indoor source. Korean outdoor air contained higher PFAS levels than indoor air, and additionally showed different PFAS composition profile from indoor air. Thus, indoor air would not likely be a main contributor to atmospheric PFAS contamination in Korea, in contrast to western countries. Inhalation exposure of volatile PFASs was estimated to be a minor contributor to PFOA and PFOS exposure in Korea. Highlights► Volatile PFASs were measured in indoor and outdoor airs of Korea, for the first time. ► Cultural difference in indoor source was observed for Korea v.s. western countries. ► Furthermore, PFASs concentrations were higher in indoor air than outdoor air. ► Indoor air was not a major contributor to atmospheric PFASs contamination in Korea. ► Release from industrial activities was considered a possible source. Korean outdoor air showed not only different PFAS composition profile but higher PFAS levels than indoor airs, indicating indoor air would not be a main source to Korean atmospheric PFASs.

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Indoor and outdoor poly- and perfluoroalkyl substances (PFASs) in Korea determined by passive air sampler

Abstract ▼ AI-Helper

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참고문헌 (38)

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