3. Inventory of sources, emissions and health effects

Pollutants measured in indoor air come from a variety of sources:

• pollutants of external origin :

  • industrial and automotive pollutants: carbon monoxide (CO), nitrogen oxides, sulfur oxides, lead, particulates, certain volatile organic compounds – VOCs, etc,

  • agricultural pollutants (insecticides, fungicides and fertilizers, nitrogen compounds from livestock farming and dust),

  • soil (natural radon emissions),

  • pollens and molds;

• indoor pollutants :

  • construction, furnishing, decorating (paints, varnishes, furniture and carpets), maintenance and DIY products emit VOCs (including aldehydes), particles and fibers,

  • ...