References  

City of Olympia. 1995. Impervious Surface Reduction Study, Final Report. Olympia Public Works   Department, Olympia, Washington.
City of Seattle. 2000. Treatment Technical Manual. Seattle Public Utilities/DCLU. Seattle,   Washington.
Craul, Philip, 1994. Reducing Soil Compaction. Landscape Architecture, Vol. 84, and No. 12: 34.
Interlocking Concrete Paving Institute 1995-1999, Specs 1-11
Thompson, William and Sorvig, Kim, 2000. Sustainable Landscape Construction. Washington   D.C.: Island   Press, 2000.
United States Environmental Protection Agency, Storm Water Technology Fact Sheet, Porous   Pavement, EPA   832-F-99-023, September 1999
United States Environmental Protection Agency, Field Evaluation of Permeable Pavements for   Stormwater Management, Porous Pavement, EPA-841-B-00-005B, October 2000

 
   
www.ecy.wa.gov.programs/wq/stormwater/index.html
www.pavingexpert.com/permabl1.html#intro
www.mutualmaterials.com/environ/eco_details.html
www.staff.ncl.ac.uk/john.knapton/Santos.htm