| Series | Type | Parameter | Unit | Latest measurement |
|---|---|---|---|---|
| 1. Huawei nitraat | Caddisfly | NO3 | mg/l | Sept. 27, 2018 |
| 2. testfroukenitraat | Caddisfly | NO3 | mg/l | May 22, 2019 |
| 3. test nitraat | Caddisfly | NO3 | mg/l | Oct. 2, 2018 |
| 4. test nitraat frouke | Caddisfly | NO3 | mg/l | May 13, 2019 |