표제지
제출문
최종연구보고서 초록
요약문
SUMMARY
CONTENTS
목차
제1장 연구개발과제의 개요 15
제2장 국내·외 기술개발 현황 17
제3장 연구개발수행 내용 및 결과 21
제1절 연구방법 21
1. 시료채취 21
2. 중성자방사화분석 25
3. 오염원 평가 30
제2절 연구결과 및 고찰 34
1. 정확도 및 정밀도 평가 34
2. 실내외 공기 중 미세분진(PM2.5)의 농도 37
3. 실내외 공기 독성금속의 농도 41
4. 실내외 공기 중 독성금속의 상관성 및 오염도 분석 49
5. 실내외 PM2.5의 오염원 정량 분석 및 영향평가 58
6. 결론 66
제4장 목표 달성도 및 관련분야에의 기여도 69
제5장 연구개발결과의 활용계획 71
제6장 참고문헌 73
Table 1. Sampling time and date 23
Table 2. Analytical condition for PM2.5 27
Table 3. Method detection limits of INAA 29
Table 4. Analytical results of NIST SRM 2783 36
Table 5. Statistical summary of indoor elemental concentrations 43
Table 6. Statistical summary of indoor elemental concentrations 45
Table 7. Seasonal variation of indoor and outdoor PM2.5 and metal concentrations 47
Table 8. I/O ratio of mean elemental concentration observed from indoor and outdoor 51
Table 9. Statistical summary of I/O ratio observed from this study 54
Table 10. Regression analysis between indoor and outdoor concentrations 55
Fig. 1. PM2.5 sampling station at the curb site in commercial area, Daejeon city. 22
Fig. 2. Analytical procedure of INAA 25
Fig. 3. The accuracy and precision of elements in NIST SRM 2783 determined by INAA 35
Fig. 4. Daily variation of indoor PM2.5 concentrations 39
Fig. 5. Indoor PH2.5 concentration distributions with season 39
Fig. 6. Relative frequency distributions of indoor PH2.5 concentrations 39
Fig. 7. Daily variation of outdoor PM2.5 concentrations 40
Fig. 8. Outdoor PM2.5 concentration distributions with season 40
Fig. 9. Relative frequency distributions of outdoor PM2.5 concentrations 40
Fig. 10. A logarithmic plot of indoor metal concentrations observed from this study 44
Fig. 11. A logarithmic plot of indoor metal concentrations observed from this study. 46
Fig. 12. Correlation analysis of indoor and outdoor elemental concentrations 48
Fig. 13. Comparison of mean elemental concentrations observed from indoor and outdoor 50
Fig. 14. Average I/O ratios for PM2.5 and elements 53
Fig. 15. Relationship between indoor and outdoor concentrations 56
Fig. 16. Confidence limit analysis for PMF modeling resutt 62
Fig. 17. Source contribution for indoor and outdoor PM2.5 concentrations 63
Fig. 18. Absolute profile for indoor PM2.5 sources. 64
Fig. 19. Absolute profile for outdoor PM2.5 sources. 65