New standard concentrations and revised min and max reduction efficiencies
– Reduced standard concentrations for phosphorus from Meadows and Woodland and meadows after comparing with other land uses.
– Revised min and max treatment effects of various types of treatment facilities for certain substances after an investigation of all values. The revisions are reported in the database.
These changes apply to new projects created from 2019-03-21. The changed values are also displayed in the updated database. You can enter the values for the standard phosphorus levels manually in existing projects.