- Chemical, industrial and commercial production
- Burning of waste, incinerator plants
- Traffic, especially diesel engines
- Wear from tyres, brakes and road surfaces
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External pollutants (examples): Internal pollutants (examples):
(reference sources: Bundesverband Deutschland e.V. "Tod vom Allerfeinsten" [Death From The Ultra-Fine], ITG in BBU e.V., EPEA Internationale Umweltforschung GmbH, Arguk Umweltlabor GmbH, Literaturstudie zu Vorkommen und gesundheitlicher Bedeutung von Feinstaub in Innenräumen [Literature study on the incidence and health implications of fine dust inside rooms and buildings |
