Site | Fe | Mn | Pb | Zn | Cu | Reference |
Cangzhou, China | 2195.8 | 153.6 | 31.3 | 148.7 | 116.4 | This study |
Beijing, China | 1323.1 | 58.8 | 154.3 | 185.3 | 185.2 | |
Tianjin, China | 1310 | 100 | 230 | 730 | 120 | |
Shijiazhuang, China | 1840 | 160 | 430 | 810 | 60 | |
Baoding, China | / | 38.6 | 158.9 | 226.5 | 99.6 | |
Zhengzhou, China | 301.9 | 41.3 | 63.2 | 97.5 | 30.5 | |
Nanchang, China | / | 226.1 | 468.7 | 1141.1 | 343.4 | |
Guilin, China | / | 173 | 102 | 132 | 8.9 | |
Guiyang, China | / | 18 | 20 | 34 | 8.8 | |
Fuzhou, China | 563.2 | 47.6 | 46.6 | 232.6 | 164.9 | |