Table 2.
Categorization of pollution load index.
| PLI values | Soil quality |
|---|---|
| 8–10 | Extremely polluted |
| 6–8 | Strongly polluted |
| 4–2 | Significantly polluted |
| 2–4 | Moderately polluted |
| 0–2 | Unpolluted to slightly polluted |
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