Pollution
and Particulates
- gaseous pollution from outdoor sources: motor
vehicle exhaust, industrial gases, and other combustion processes.
-
Gaseous pollutants of indoor origin: such common
substances as cleaning supplies, paints, untreated wood, paper products with
a high lignin content, and certain adhesives and plastics.
- Particulate pollutants such as grit, grime, smoke
and dust are also a concern.
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