Classification of treatment methods for large wastewater treatment plants (>50 pe)
Treatment methods for large wastewater treatment plants (>50 pe) 1972
- Valid from
- 1.1.1972
- Valid to
- —
The classification is primarily applied for classification of wastewater treatment plants, with capasity of 50 person equivalents (pe) or more, according to treatment methods.
This version contains 9 codes organized into 2 levels.
| Code | Name | Additional information |
|---|---|---|
1 | ||
2 | ||
3 | ||
4 |