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| Fish samples | Total samples number | Positive sample number | Concentration (ppb) | Recovery % | R 2 | Exceed MRLa n, (%) | |
|---|---|---|---|---|---|---|---|
| Mean ± SEM | Range | ||||||
| Catla | 30 | 01 | 18.5 | 18.5 | 85 | 0.997 | 0, (0.00) |
| Rui | 30 | 02 | 15.55 ± 0.545 | 15–16.09 | 0, (0.00) | ||
| Mrigal | 30 | 02 | 12.32 ± 2.315 | 10–14.63 | 0, (0.00) | ||
| Pangas | 30 | 03 | 31.66 ± 5.62 | 21.02–40.11 | 0, (0.00) | ||
MRL = 100 ppb (FDA), 200 ppb (FAO/WHO).
