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| Total water samples number | Positive samples number | Concentration (ppb) | Recovery % | R 2 | Exceed MRLa n, (%) | |
|---|---|---|---|---|---|---|
| Mean ± SEM | Range | |||||
| 30 | 00 | BDL | BDL | 85 | 0.997 | BDL |
BDL: Below detection level.
