Gaseous Air Cleaning
Increasing Awareness about our Environment
The Swiss IAQ Specialists
OSHA (USA)
“Industrial” worker standards
Permissible Exposure Levels (PELs)
EPA (USA)
Clean Air Act 1970
National Ambient Air Quality Standards
(NAAQS)
ASHRAE
Standard 62.1–2013: Ventilation for
Acceptable Indoor Air Quality
Standard 189.1–2011: Design of High
Performance, Green Buildings
What type of gases are of concern?
What are common indoor sources?
Irritants (Ammonia, Aldehydes)
Odorous (cleansers, cooking)
Corrosives (SO2, NOx etc.)
Paints and solvents
Building materials
Plastics, furniture and carpets
Printers and copiers
Aerosol sprays
Cleaning products and disinfectants
Pesticides
Problematic Compounds
VOC
CO2, Ozone, CO etc.
Polycondensated aromatic compounds
Benzo[a]pyrene
Polyhalogenated Biphenyles
Polyhalogenated
Dibenzofuranes
extremely toxic
hazardous
often carcinogenic
