An empirical unit of indoor air pollution.

1 decipol is the perceived air pollution level in a space having a pollution source of strength one olf and ventilation at the rate of 10 litres/second with unpolluted air.

Measurements are recorded by human observers using protocol also laid out by Fanger.

Historical Notes

  1. 1988 Introduced by the Danish environmental scientist P.O. Fanger.

See also: Air Pollution, Olf.

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Subjects: Heating Ventilation and Air Conditioning