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2010/01/08
Protection against blue-green algae
The best defence against the occurrence of blue-green algae (cyanobacteria) is the combination of BNQ certified high-performance technology and a polishing leaching field in conformance.
2009/04/16
Renovation tax credits
TECHNICAL NOTIFICATIONS
Notification of wastewater temperature for applications in other buildings
2006/11/29
Important notice to all future owners of wastewater treatment systems using ultraviolet rays for disinfection
2006/09/12
High - load wastewater treatment
2006/05/22
B.N.Q. Certification of the BIONEST system + UV (tertiary)
2005/08/24
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