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|Federal Office for the Environment FOEN
|The environment in practice
Tested and approved particle filter systems for diesel engines
The FOEN Filter List contains a list of particle filter system types that have been certified as meeting the requirements of the Swiss Federal Ordinance on Air Pollution Control (OAPC). These certified particle filter systems have a filtration efficiency of atleast 97 percent, in particular for ultrafine particles. Each system has been declared suitable for the retrofitting of diesel engines in construction machines, other offroad mobile machines and appliances, stationary systems andheavy vehicles.
Last modification 04.01.2010