| 相关系数 | Cr | Pb | Cd | As | Hg | pH |
| Cr | 1.00 |
|
|
|
|
|
| Pb | −0.07 | 1.00 |
|
|
|
|
| Cd | 0.15 | 0.60 | 1.00 |
|
|
|
| As | −0.11 | 0.16 | 0.09 | 1.00 |
|
|
| Hg | 0.02 | 0.02 | 0.26 | −0.05 | 1.00 |
|
| pH | −0.13 | 0.03 | 0.03 | −0.21 | −0.18 | 1.00 |