| GROUP A―UPLC/MS/MS | ||||
| Drinking, Surface, Ground | Drinking, Ground | Surface | ||
| LOD (μg/L) | LOQ (μg/L) | Legal Limit (μg/L) | ||
| Carbofuran | 0.003 | 0.01 | 0.1 | |
| Diuron | 0.003 | 0.01 | 0.1 | 0.2 |
| Linuron | 0.003 | 0.01 | 0.1 | |
| Isoproturon | 0.003 | 0.01 | 0.1 | 0.3 |
| Kresoxym-methyl | 0.003 | 0.01 | 0.1 | |
| Flusilazole | 0.003 | 0.01 | 0.1 | |
| Penconazole | 0.003 | 0.01 | 0.1 | |
| Atrazine | 0.003 | 0.01 | 0.1 | 0.6 |
| Metribuzin | 0.003 | 0.01 | 0.1 | |
| Chlorfenviphos | 0.003 | 0.01 | 0.1 | 0.1 |
| Simazine | 0.003 | 0.01 | 0.1 | 1 |
| Prosulfocarb | 0.003 | 0.01 | 0.1 | |
| Propyzamide | 0.003 | 0.01 | 0.1 | |