The Decipol is a unit used to measure the perceived air quality. It was introduced by Danish

Denmark

Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

 professor P. Ole Fanger

P. Ole Fanger

Povl Ole Fanger was an expert in the field of the health effects of indoor environments. He was a University Professor at Syracuse University when he died at the age of 72 from an abdominal aortic aneurysm. He was also a senior professor at the International Centre for Indoor Environment and...

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One decipol (dp) is the perceived air quality (PAQ) in a space with a sensory load of one olf

Olf (unit)

The Olf is a unit used to measure the strength of a pollution source. It was introduced by Danish professor P. Ole Fanger; the name "Olf" is derived from the Latin word olfactus, meaning "smelled"....

(one standard person) ventilated by 10 L/s. It was developed to quantify how the strength of indoor pollution sources indoors influence air quality as it is perceived by humans.