| EPA Method | Test Name | Matrix | MRL | Instrument |
|---|
| EPA 350.1 | Hendext Ammonia Nitrogen by Semi-Automated Colorimetry | Solid | 0.5 | Discrete-FIA |
| EPA 350.1 | Nitrogen, Ammonia (Colorimetric, Automated Phenate) | Drinking Water | 0.05 | FIA |
| EPA 350.1 | Nitrogen, Ammonia (Colorimetric, Automated Phenate) | Liquid | 0.05 | FIA |
| EPA 350.1 | Nitrogen, Ammonia (Colorimetric, Automated Phenate) | Solid | 0.05 | FIA |
| EPA 350.1 | Nitrogen, Ammonia, (Colorimetric, Automated Phenate) | Drinking Water | 0.05 | Discrete-FIA |
| EPA 350.1 | Nitrogen, Ammonia, (Colorimetric, Automated Phenate) | Liquid | 0.01 | Discrete-FIA |
| EPA 350.1 | Nitrogen, Ammonia, (Colorimetric, Automated Phenate) | Liquid | 0.05 | Discrete-FIA |
| EPA 350.1 | Nitrogen, Ammonia, (Colorimetric, Automated Phenate) | Liquid | 0.05 | FIA |
| EPA 350.1 | Nitrogen, Ammonia, Dissolved (Colorimetric, Automated Phenate) | Drinking Water | 0.05 | FIA |
| EPA 350.1 | Nitrogen, Ammonia, Dissolved (Colorimetric, Automated Phenate) | Liquid | 0.01 | Discrete-FIA |
| EPA 350.1 | Nitrogen, Ammonia, Dissolved (Colorimetric, Automated Phenate) | Liquid | 0.05 | Discrete-FIA |
| EPA 350.1 | Nitrogen, Ammonia, Dissolved (Colorimetric, Automated Phenate) | Liquid | 0.05 | FIA |
| EPA 350.1 | Nitrogen, Ammonia, Low Level (as N) (Colorimetric, Automated Phenate) | Liquid | 0.01 | FIA |
| EPA 350.1M | Nitrogen, Ammonia (Colorimetric, Semi-automated Phenate), Modified for Sample Preparation by Plumb | Solid | 0.05 | FIA |
| EPA 350.1M | Nitrogen, Ammonia, (Colorimetric, Automated Phenate) , Modified for Matrix | NonAq Liquid | 5 | Discrete-FIA |
| EPA 350.1M | Nitrogen, Ammonia, (Colorimetric, Automated Phenate) , Modified for Matrix | Solid | 0.5 | FIA |
| EPA 350.1M | Nitrogen, Ammonia, (Colorimetric, Automated Phenate) , Modified for Matrix | Solid | 5 | Discrete-FIA |
| EPA 350.1M | SPLP Ammonia Nitrogen by Semi-Automated Colorimetry, Modified for Sample Preparation | Solid | 0.05 | Discrete-FIA |
| EPA 350.2 | Nitrogen, Ammonia (Colorimetric; Titrimetric; Potentiometric) | Liquid | 0.2 | FIA |
| EPA 350.2 | Nitrogen, Ammonia (Colorimetric; Titrimetric; Potentiometric) | Liquid | 0.2 | ISE |
| SM 4500-NH3 E | Ammonia Selective Electrode Method Using Standard Addition | Liquid | 0.05 | ISE |
| SM 4500-NH3 E Modifi | Ammonia Selective Electrode Method Using Standard Addition Modified for Matrix | Solid | 0.05 | ISE |
| SM 4500-NH3 E Modifi | Ammonia Selective Electrode Method Using Std Addition, Mod for Matrix | Solid | 0.05 | ISE |
| SM 4500-NH3 G | Nitrogen (Ammonia) Automated Phenate | Liquid | 0.05 | FIA |
| SM 4500-NH3 G Modifi | Nitrogen (Ammonia) Automated Phenate, Modified for Matrix | Solid | 0.5 | FIA |