국내 도로 노면 퇴적입자 내 PAHs의 인체 위해성 평가 (Human Health Risk Assessment of Polycyclic Aromatic Hydrocarbons (PAHs) from Road Dust Sediments in Korea)

이가인 (LEE GAIN); 김홍경 (KIMHONGKYOUNG); 지승민 (Ji Seungmin); 장용철 (Yong-Chul Jang)

Human Health Risk Assessment of Polycyclic Aromatic Hydrocarbons (PAHs) from Road Dust Sediments in Korea

Journal of Environmental Impact Assessment
Abbr : J EIA
2020, 29(4), pp.286-297
Publisher : Korean Society Of Environmental Impact Assessment
Research Area : Engineering > Environmental Engineering
Received : April 29, 2020
Accepted : July 30, 2020
Published : August 31, 2020

LEE GAIN ¹, KIMHONGKYOUNG ¹, Ji Seungmin ¹, Yong-Chul Jang ¹

¹충남대학교

Accredited

ABSTRACT

This research studied human health risk assessment of PAHs (Polycyclic Aromatic Hydrocarbons) in road dust sediments collected from 6 sites in four different cities in Korea. PAHs are well known to be human carcinogens and toxic compounds that are commonly generated from incomplete combustion of fuels and energy products. Such compounds which is absorbed by atmospheric suspended dust can be emitted into air in gaseous form and often deposited on road dust sediments. The PAHs which is deposited on sediment particles can also be re-dispersed by vehicles or winds on the road surface. It can be harmful for humans when exposed via breathing, ingestion and dermal contact. This study examined human health risk assessment of PAHs in deposited road dust sediments. Results showed that the excess cancer risk estimates were above 1.0×10-6 at main traffic roads and resident area in Ulsan city. According to the result of deterministic risk assessment, dermal-contact was the major pathway, while the contribution of the risk from inhalation was less than 1%. The probabilistic risk assessment showed similar levels of cancer risk derived from the deterministic risk assessment. The result of sensitivity analysis reveal that exposure time is the most contributing factor (69%). Since the values of carcinogenic risk assessment were higher than 1.0 × 10-6, further detailed monitoring and refined risk assessment for PAHs may be required to identify more reliable and potential cancer risks for those who live in the study locations in Ulsan city.

KEYWORDS

Polycyclic aromatic hydrocarbons, road dust sediments, probabilistic risk assessment, risk assessment

Citation status

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This paper was written with support from the National Research Foundation of Korea.

KJCKorea
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Journal of Environmental Impact Assessment 2023 KCI Impact Factor : 0.51

Human Health Risk Assessment of Polycyclic Aromatic Hydrocarbons (PAHs) from Road Dust Sediments in Korea

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* References for papers published after 2023 are currently being built.

Journal of Environmental Impact Assessment 2023 KCI Impact Factor : 0.51

Human Health Risk Assessment of Polycyclic Aromatic Hydrocarbons (PAHs) from Road Dust Sediments in Korea

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KEYWORDS

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