표제지
요약
목차
1. 서론 12
1.1. 연구의 배경 및 목적 12
1.2. 연구 동향 14
2. 이론적 고찰 16
2.1. 토양오염 16
2.1.1. 정의 16
2.1.2. 토양오염실태조사 17
2.2. 잔류성유기오염물질 20
2.3. 다환방향족탄화수소류 21
2.3.1. 물리·화학적 특성 21
2.3.2. 배출원 25
2.3.3. 위해성 27
2.3.4. 국내 규제 동향 30
2.4. 침적 31
2.4.1. 대기 침적 31
3. 연구내용 및 방법 33
3.1. 연구 대상 34
3.2. 실험 방법 36
4. 연구결과 및 고찰 38
4.1. 분석 및 검증 38
4.2. 다환방향족탄화수소류의 분포 특성 40
4.2.1. 농도 수준 40
4.2.2. 지역별 분포 특성 46
4.2.3. 환상별 분포 특성 67
4.2.4. 위해성 평가 74
4.2.5. 오염 기원 분석 77
4.2.6. 토양의 이화학적 특성과의 상관성 82
5. 결론 85
References 88
Abstract 96
Table 1. Detailed criteria for selecting area for soil contamination investigation(1) 18
Table 2. Physical and chemical characteristics of PAHs 23
Table 3. Environmental sources of PAHs 26
Table 4. Carcinogenic groups as classified by US EPA 29
Table 5. Carcinogenic groups as classified by IARC 29
Table 6. Worrisome levels of soil contamination 30
Table 7. The sites by region 30
Table 8. The sampling area and number of sampling sites 35
Table 9. GC/MS operating conditions for PAHs analysis 37
Table 10. Method Detection Limit (MDL) for PAHs analysis 39
Table 11. Average PAHs concentrations (㎍/Kg) according to the sampling area(1) 42
Table 12. Classification of PAHs according to the number of benzene rings 67
Table 13. Relative abundance of concentration of each ring to t-PAHs with area 72
Table 14. t-PAHs(㎍/TEQ/Kg) and PAHcarc(㎍/TEQ/Kg) by TEFs 75
Fig. 1. Molecular structures of 16 PAHs 24
Fig. 2. A schematic figure of atmospheric deposition processes 32
Fig. 3. A flow chart for this study 33
Fig. 4. Sum of each PAH concentration according to the sampling areas 45
Fig. 5. Concentration of t-PAHs and PAHcarc at each site in traffic facilities area 47
Fig. 6. Correlation between t-PAHs and PAHcarc in traffic facilities area 48
Fig. 7. Concentration of t-PAHs and PAHcarc at each site in children's play facilities area 50
Fig. 8. Correlation between t-PAHs and PAHcarc in children's play facilities area 51
Fig. 9. Concentration of t-PAHs and PAHcarc at each site in railroad facilities area 53
Fig. 10. Correlation between t-PAHs and PAHcarc in railroad facilities area 54
Fig. 11. Concentration of t-PAHs and PAHcarc at each site in petrol station area 56
Fig. 12. Correlation between t-PAHs and PAHcarc in petrol station area 57
Fig. 13. Concentration of t-PAHs and PAHcarc at each site in iron scraps fields area 59
Fig. 14. Correlation between t-PAHs and PAHcarc in iron scraps fields area 60
Fig. 15. Concentration of t-PAHs and PAHcarc at each site in industrial area 62
Fig. 16. Correlation between t-PAHs and PAHcarc in industrial area 63
Fig. 17. Concentration of t-PAHs and PAHcarc at each site in land development area 65
Fig. 18. Correlation between t-PAHs and PAHcarc in land development area 66
Fig. 19. Average concentration and concentration range of each PAH 68
Fig. 20. Average concentration of each PAH with area(1) 70
Fig. 20. Average concentration of each PAH with area(2) 71
Fig. 21. Relative abundance of concentration of each ring to t-PAHs with area 73
Fig. 22. Comparison of t-PAHs(㎍/TEQ/Kg) and PAHcarc(㎍/TEQ/Kg) 76
Fig. 23. Cross plot for the diagnostic ratios of ∑LMW/∑HMW versus ∑Comb/t-PAHs 79
Fig. 24. Cross plot for the diagnostic ratios of AnT/(AnT+PhA) versus FluA/(FluA+Pyr) 80
Fig. 25. Cross plot for the diagnostic ratios of BaA/(BaA+Chr) versus InP/(InP+BghiP) 81
Fig. 26. Ternary diagram of the USDA soil texture 82
Fig. 27. Correlation between t-PAHs concentration and pH 84
Fig. 28. Correlation between t-PAHs concentration and organic matter 84