Table 4.
Correlation of heavy metals in wastewater of HIE, Peshawar.
| Cd | Cr | Pb | Zn | |
|---|---|---|---|---|
| Cd | 1 | |||
| Cr | 0.946 | 1 | ||
| Pb | 0.504 | 0.627 | 1 | |
| Zn | −0.144 | 0.073 | 0.773 | 1 |
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