Base metal
Non-precious metal (e.g. iron)
Ce
Cerium (Cer)
Cordierite
Mineral in the silicates category
CSF
Catalysed soot filter (catalytically coated filter element)
DOC
Diesel oxidation catalyst (oxidation catalyst placed upstream of the filter element)
FBC
Fuel-borne catalyst (catalytically active substance)
Fe
Iron
FOEN
Swiss Federal Office for the Environment, CH-3003 Bern
nm
Nanometer (10–9 m)
OAPC
Swiss Federal Ordinance on Air Pollution Control (SR 814.318.142.1)
OAPC amendment
Amended version of the OAPC (dated 19 September 2008)
Pd
Palladium
Pt
Platinum
SiC
Silicon carbide
Sintered metal
Metallic body obtained by sintering of metal powder
SNR
Swiss standard (issued by the Swiss Association for Standardisation [SNV])
SNV
Swiss Association for Standardisation, CH-8400 Winterthur
V
Vanadium
VERT
Research project (1994-99) aimed at reducing emissions from machines used for tunnel construction, and name of the resulting suitability test for particle filters.