| Samples | Chemical | LOD of MRM mode (ng/ml) | LOD of MS/MS mode (ng/ml) | Reported concentration (ng/ml) | Spiking concentration (ng/ml) |
| 301 | None |
|
|
|
|
| 302 | None |
|
|
|
|
| 303 | GB | 0.1 | 1 | 2.4 | 3 |
| 304 | GB | 0.1 | 1 | 0.3 | 0.5 |