| - N-TOTAL, CFA - |
| NWQL |
| Filtered vs Unfiltered Method (all reference materials are filtered) |
| Analysis dates: 03/18/24 through 09/11/25 |
| Open data set here for results, detailed method descriptions, and more |
| Click here for Control Limit Explanation |
| - NH3&ORG-N, CFA - |
| NWQL |
| Filtered vs Unfiltered Method (all reference materials are filtered) |
| Analysis dates: 03/18/24 through 09/23/25 |
| Open data set here for results, detailed method descriptions, and more |
| Click here for Control Limit Explanation |
| - P, CFA - |
| NWQL |
| Filtered vs Unfiltered Method (all reference materials are filtered) |
| Analysis dates: 03/16/24 through 09/25/25 |
| Open data set here for results, detailed method descriptions, and more |
| Click here for Control Limit Explanation |