Velbert Model built from Senozon input data. 

The population data is not publicly available and must be added from another source. 

The diluation area of the model includes PLZ: 42551, 42549, 42555, 42553 
The dilution area can be retreived from velbert-v1.0/shapes/Postleitzahlengebiete-shp by using the 'plz' attribute-key