http://www.newdesignworld.com Liftoff for the latest information at NewDesignWorld.com http://www.newdesignworld.com/detail-wastewater_treatment-6993.html 2008-01-11 17:46:49 We are a global non-profit water and wastewater management organization. Protecting wetlands, water supplies, and watersheds since 1928, the WEF offers technical and educational solutions for water quality problems and sewage water treatment.