Journal of Atmospheric and Environmental Optics, Volume. 19, Issue 3, 322(2024)
Health and ecological risk assessment of heavy metals in atmospheric particulate matter in Nanjing
Figures & Tables(13)
Fig. 2. Bioavailability of simulated lung fluid of heavy metals in PM2.5 in Nanjing industrial area and urban area
Fig. 3. Bioavailability of simulated gastric juice for heavy metals in PM2.5 in Nanjing industrial area and urban area
Fig. 4. Bioavailability of simulated gastrointestinal fluid of heavy metals in PM2.5 in Nanjing industrial area and urban area
Fig. 6. Heavy metal mass fraction of TSP in industrial area and urban area
Fig. 7. Distribution of heavy metal species in TSP. (a) Industrial area; (b) urban area
Table 1. Toxicity coefficient standard of various heavy metals
View tableView in ArticleTable 1. Toxicity coefficient standard of various heavy metals
Element Pb Mn Cd Cu Cr Toxicity coefficient 5 1 30 5 2
Table 2. E
and RI correspond to the risk level and the potential ecological risk level View tableView in ArticleTable 2. E
and RI correspond to the risk level and the potential ecological risk level E Degree RI Risk level < 40 Slight < 150 Slight 40-80 Medium 150-300 Medium 80-160 Strong 300-600 Strong 160-320 Very strong ≥ 600 Extremely strong ≥ 320 Extremely strong
Table 3. Non-carcinogenic and carcinogenic risks of adults and children by respiratory exposure
View tableView in ArticleTable 3. Non-carcinogenic and carcinogenic risks of adults and children by respiratory exposure
Risk Element Industrial area Urban area Adult Children Adult Children Non-carcinogenic Pb 7.30 × 10-5 3.92 × 10-5 4.73 × 10-5 2.55 × 10-5 Co 1.51 × 10-3 8.09 × 10-4 1.70 × 10-3 9.17 × 10-4 Cd 1.97 × 10-5 1.06 × 10-5 1.94 × 10-5 1.04 × 10-5 Mn 2.75 × 10-2 1.49 × 10-2 2.97 × 10-2 1.60 × 10-2 Cu 1.05 × 10-5 5.68 × 10-6 7.95 × 10-6 3.99 × 10-6 Carcinogenic Co 1.29 × 10-7 1.34 × 10-7 Cd 1.90 × 10-7 1.58 × 10-7
Table 4. Heavy metal mass fraction of PM2.5 in industrial area and urban area
View tableView in ArticleTable 4. Heavy metal mass fraction of PM2.5 in industrial area and urban area
Area Heavy metal mass fraction/(mg·kg-1) Pb Cd Mn Cu Cr Industrial area 1072 37.9 703 885 1225 Urban area 763 32.4 594 635 1058
Table 5. Bioactivity coefficients of five heavy metals in TSP in industrial and urban area
View tableView in ArticleTable 5. Bioactivity coefficients of five heavy metals in TSP in industrial and urban area
Area Coefficient Pb Mn Cd Cu Cr Industrial area
Urban area
k 0.67 0.19 0.79 0.48 0.27 k 0.56 0.13 0.71 0.62 0.26
Table 6. Potential ecological hazard coefficient and ecological risk index of heavy metals in TSP
View tableView in ArticleTable 6. Potential ecological hazard coefficient and ecological risk index of heavy metals in TSP
Area Level Pb Mn Cd Cu Cr RI Industrial area E 79 0.38 1085 33.8 6.7 1205 Potential ecological risk level Strong Slight Extremely strong Medium Slight Extremely strong Urban area E 40.5 0.19 569 57.4 1.7 669 Potential ecological risk level Medium Slight Extremely strong Medium Slight Extremely strong
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Lichun WU, Xiaosan LUO, Xiangyang CHENG, Kun WANG, Mingrong MIAO. Health and ecological risk assessment of heavy metals in atmospheric particulate matter in Nanjing[J]. Journal of Atmospheric and Environmental Optics, 2024, 19(3): 322
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Received: May. 30, 2022
Accepted: --
Published Online: Jul. 17, 2024
The Author Email: MIAO Mingrong (nantmmr@126.com)
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