The SBS™ system has over 20 years of operation and positive independent engineering reviews
The Clearford SBS™ system has been developed through over 20 years of operational history and investment in research and development. The system has had many independent reviews from sanitation specialists around the world.
Ontario Ministry of Environment
The World Bank
Description of World Bank report, and link to download.
The U.S. EPA
Description of U.S. EPA report and link to download.
Useful Links
Find links for different wastewater related sites and development banks.

