This study identified physical characteristics and aerosol particle sources of PM10 and PM2.5 in the industrial complex of Busan Metropolitan City, Korea. Samples of PM10, PM2.5 and also soil, were collected in several areas during the year of 2012 to investigate elemental composition. A URG cyclone sampler was used for collection. The samples were collected according to each experimental condition, and the analysis method of SEM-EDX was used to determine the concentration of each metallic element. The comparative analysis indicated that their mass concentration ranged from 1% to 3%. The elements in the industrial region that were above 10% were Si, Al, Fe, and Ca. Those below 5% were Na, Mg, and S. The remaining elements (1% of total mass) consisted of elements such as Ni, Co, Br and Pb. Finally, a statistical tool was applied to the elemental results to identify each source for the industrial region. From a principal components analysis (SPSS, Ver 20.0) performed to analyze the possible sources of PM10 in the industrial region, five main factors were determined. Factor 1 (Si, Al), which accounted for 15.8% of the total variance, was mostly affected by soil and dust from manufacturing facilities nearby, Factors 2 (Cu, Ni), 3 (Zn, Pb), and 4 (Mn, Fe), which also accounted for some of variance, were mainly related to iron, non-ferrous metals, and other industrial manufacturing sources. Also, five factors determined to access possible sources of PM2.5, Factor 1 (Na, S), accounted for 13.5% of the total variance and was affected by sea-salt particles and fuel incineration sources, and Factors 2 (Ti, Mn), 3 (Pb, Cl), 4 (K, Al) also explained significant proportions of the variance. Theses factors mean that the PM2.5 emission sources may be considered as sources of incineration, and metals, and non-ferrous manufacturing industries.

Abstract
 1. 서 론
 2. 실험 및 방법
  2.1. 시료 샘플링
  2.2. 시료의 샘플링 장소 및 기간
  2.3. SEM-EDX 분석법
  2.4. 통계자료의 해석
 3. 결과 및 고찰
  3.1. 공단지역 주변대기 중 PM10, PM2.5의 화학적 조성 특성
  3.2. PM10, PM2.5 중 타 원소 상호간의 상관성 해석
  3.3. 주인자분석에 의한 PM10, PM2.5의 발생원 추정
 4. 결 론
 REFERENCES

• 김용석(동아대학교 환경공학과) | Yong-Seog Kim (Department of Environmental Engineering, Dong-A University)
• 최금찬(동아대학교 환경공학과) | Kum-Chan Choi (Department of Environmental Engineering, Dong-A University) Corresponding author
• 서정민(부산대학교 바이오환경에너지학과) | Jeong-Min Suh (Department of Bioenvironmental Energy, Pusan National University)