Table 6 Comparison of heavy metal concentration in the urban area of Chongqing and other research reports
Item | As | Cu | Mn | References |
|---|---|---|---|---|
Main urban area of Chongqing, China | 5.80 | 23.99 | 573.32 | This study |
Three counties in South Shanghai, in the northern part of Hangzhou Bay (All areas), China | 9.34 | 28.40 | 837.30 | Li et al. [39] |
Xiangfen County, Shanxi Province, Central China | 14.02 | 30.11 | — | Pan et al. [40] |
The Ger District in Ulaanbaatar, Mongolia | 22.90 | 28.90 | 0.50 | Battsengel et al. [46] |
Shivpur, a suburb of Varanasi, India | — | 42.03 | 191.51 | Sharma et al. [47] |
Ostrava, Czech Republic | — | 21.11 | 1370.92 | Weissmannova et al. [44] |
Eglinton County, Northwest, Northern Ireland, Ireland | 9.95 | 23.49 | 343.61 | Keshavarzi et al. [45] |
South Poland | 5.73 | 18.80 | — | Gruszecka-Kosowska et al. [43] |
Mediterranean, Greece | 7.10 | 65.23 | Â | Kelepertzis [42] |
Urban Soils of East St. Louis, IL, United States of America | 15.40 | 949.00 | — | Kaminski and Landsberger [42] |