The ambient heavy metals data measured at major 7 cities (Seoul, Busan and Incheon et al) in Korea were used to explain the composition and general features of Asian Dust observed during 2002~2006. Generally heavy metal concentrations during the Asian Dust episodes had tendency of showing higher values at sites in west-north side than east-south side of Korea, which can be explained by the effect of diffusion and deposition. But in the result of this study, some heavy metals as chrome and nickel had shown more higher concentrations in east-south site and in case of copper at the west-south site of Korea. These features were influenced by the weather conditions, topography factors or characteristics of soil composition in each sources. And the concentration of heavy metals makes increase every year in proportioned with the industrial growth of source areas. Futhermore, the study will be continue to search minutely the relation with weather and topography factors.

Abstract
 1. 서 론
 2. 재료 및 방법
 3. 결과 및 고찰
 4. 결 론
 참 고 문 헌

• 황의현(경북도립 경도대학 토목과) | U. H. HWANG
• 최재익(우진건설주식회사 기술개발연구소) | J. I. CHOI