Significance and Use
N-methylcarbamates and n-methylcarbomoyloximes are used in agriculture as insecticides and herbicides. They are sometimes found in both surface and ground waters and can be toxic to animals and plants at moderate to high concentrations. The manufacturing precursors and degradation products may be equally as hazardous to the environment.
Scope
1.1 This is a high-performance liquid chromatographic (HPLC) test method applicable to the determination of certain n-methylcarbamoyloximes and n-methylcarbamates in ground water and finished drinking water
| Analyte | Chemical Abstract Services Registry Number |
| Aldicarb | 116-06-3 |
| Aldicarb sulfone | 1646-88-4 |
| Aldicarb sulfoxide | 1646-87-3 |
| Baygon | 114-26-1 |
| Carbaryl | 63-25-2 |
| Carbofuran | 1563-66-2 |
| 3-Hydroxycarbofuran | 16655-82-6 |
| Methiocarb | 2032-65-7 |
| Methomyl | 16752-77-5 |
| Oxamyl | 23135-22-0 |
1.2 This test method has been validated in a collaborative round-robin study
1.3 This test method is restricted to use by, or under the supervision of, analysts experienced in both the use of liquid chromatography and the interpretation of liquid chromatograms. Each analyst should demonstrate an ability to generate acceptable results with this test method using the procedure described in .
1.4 When this test method is used to analyze unfamiliar samples for any or all of the analytes listed in , analyte identifications should be confirmed by at least one additional qualitative technique.
