| Phosphate rock origin |
Cd concentration (ppm) |
| USA |
3-186 |
| Morocco |
3-165 |
| Peru |
2-186 |
| Russia |
0.1-<13 |
| North Africa |
60 |
| South Africa |
2-<13 |
| Brazil |
4 |
| Jordan Aman |
6<13 |
| Togo |
44-179 |
| Tunisia ,Gafsa |
38-173 |
| Algeria |
22.5-62,6 |
| Syria |
6.1-52 |
| China(Yunam) |
4 |
| Mexico |
8 |
| Egypt (Quseir) |
Aug-74 |
|
