| GROUP B―GC/MS | ||||||
| Drinking, Ground | Surface | Drinking, Ground | Surface | Drinking, Ground | Surface | |
| LOD (μg/L) | LOQ (μg/L) | Legal Limit (μg/L) | ||||
| Trifluralin | 0.01 | 0.003 | 0.03 | 0.01 | 0.1 | 0.03 |
| Chlorothalonil | 0.01 | 0.01 | 0.03 | 0.03 | 0.1 | |
| Alachlor | 0.01 | 0.01 | 0.03 | 0.03 | 0.1 | 0.3 |
| Chloropyrifos | 0.01 | 0.003 | 0.03 | 0.01 | 0.1 | 0.03 |
| Dicofol | 0.01 | 0.01 | 0.03 | 0.03 | 0.1 | |
| Iprodione | 0.01 | 0.01 | 0.03 | 0.03 | 0.1 | |
| Fenitrothion | 0.01 | 0.01 | 0.03 | 0.03 | 0.1 | |
| Formothion | 0.01 | 0.01 | 0.03 | 0.03 | 0.1 | |
| Diazinon | 0.01 | 0.01 | 0.03 | 0.03 | 0.1 | |
| Captan | 0.01 | 0.01 | 0.03 | 0.03 | 0.1 | |
| Folpet | 0.01 | 0.01 | 0.03 | 0.03 | 0.1 | |