The use of plants to assess the quality of indoor air

Plants have been used as initial indicators, or monitors, of air pollutants around industrial sources for a long time (Heck, 1966). Sulfur dioxide (S02) was early identified as causing injury to field-grown plants (Thomas, 1951; Zimmerman & Hitchcock, 1956).

Indoor ecology.

The ozone problem. Il problema ozono.

      

The North American experience.

                  

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