Particle and aerosol research (한국입자에어로졸학회지)

Korean Association for Particle and Aerosol Research (한국입자에어로졸학회)
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Trend and policy directions of primary carbonaceous aerosols in Seoul

서울의 일차탄소성분 입자 농도 변화 및 관리 방향

  • Eunlak Choi (Department of Environmental Science and Engineering, Ewha Womans University) ;
  • Ji Yi Lee (Department of Environmental Science and Engineering, Ewha Womans University) ;
  • Yong Pyo Kim (Research Center for Strategic Solutions for Environmental Blindspots in the Interest of Society)
  • 최은락 (이화여자대학교 환경공학과) ;
  • 이지이 (이화여자대학교 환경공학과) ;
  • 김용표 (이화여자대학교 환경블라인드스팟 연구센터)
  • Received : 2024.02.15
  • Accepted : 2024.03.16
  • Published : 2024.03.31
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Abstract

The concentrations of polycyclic aromatic hydrocarbons (PAHs) and elemental carbon (EC) in particulate matter, typical primary aerosols have decreased in Seoul between 2003 and 2018 (80% for PAHs and 85% for EC). The yearly mean benzo[a]pyrene (BaP) concentration has been lower than 1 ng/m3 since 2010-2011, the target value set by the European Union (EU) and China. A series of policies related to solid fuel and vehicle in South Korea and China should be effective in the reduction of the ambient PAHs and EC concentrations. But the emission data of PAHs and EC at both countries did not support that hypothesis. Possible causes are uncertainties in the emission inventories of primary carbonaceous aerosols in South Korea and China, although there may be a minor effect of the emissions from North Korea on the concentrations in Seoul. Thus the further policy directions against PAHs and EC such as improvements of emissions inventories and measurements, intensive regulation of non-road mobile sources and control of PAHs derivatives are discussed.

Keywords

Acknowledgement

이 연구는 2024년도 과학기술정보통신부의 재원으로 한국연구재단-동북아-지역연계 초미세먼지 대응 기술개발 사업의 지원을 받아 수행함. (과제번호: 2020M3G1A1114537)

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