INDEX | Range | Classification | Samples | (%) | Reference |
CR | >10−6 - 10−4< | Generally satisfactory | 21 | 100 | [15] |
>10−4 | Intolerable | - | - | ||
HQ | <1 | Acceptable level (no concern) | 18 | 85.7 | [21] |
>1 | No carcinogenic adverse effects | 3 | 24.3 | ||
HI | <1 | Safe | 18 | 85.7 | [21] |
>1 | Unsafe | 3 | 24.3 |