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The evaluated results of single factor pollution index (SFPI) for heavy metals in soils.
| Metals | Background Value as Critical Value | Second Grade Standardized Value as Critical Value | ||||||
|---|---|---|---|---|---|---|---|---|
| Mean | Min | Max | Ratio (%) | Mean | Min | Max | Ratio (%) | |
| Cd | 1.65 | 0.91 | 6.06 | 99.00 | 0.71 | 0.39 | 2.61 | 6.00 |
| Cu | 1.02 | 0.62 | 2.70 | 49.00 | 0.62 | 0.38 | 1.65 | 2.00 |
| Ni | 0.88 | 0.51 | 1.52 | 27.00 | 0.80 | 0.46 | 1.39 | 9.00 |
| Pb | 1.09 | 0.66 | 1.70 | 69.00 | 0.13 | 0.08 | 0.21 | 0 |
| Zn | 0.99 | 0.57 | 2.48 | 40.00 | 0.53 | 0.31 | 1.33 | 2.00 |
