1. Green Roof Example
http://en.wikipedia.org/wiki/Green_roof#mediaviewer/File:20080708_Chicago_City_Hall_Green_Roof.JPG
2. Sedimentation Tank Example
http://spel.com.au/products/triceptor/spel-triceptor-gallery/
3. Silt Basket Example
http://spel.com.au/products/spel-stormsack/spel-stormsack-gallery/
4. Filter Gully Example
http://www.3ptechnik.com.au/25-3-Hydrofilter-Gulley.html
5. Selected stormwater priority pollutants: A European perspective;Eriksson;Sci. Total Environ.,2007