One decipol (dp) is the perceived air quality (PAQ) in a space with a sensory load of one olf (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.
- Fanger, O. P.: Introduction of the Olf and the Decipol Units to Quantify Air Pollution Perceived by Humans Indoors. In: Energy and Buildings. 12, 1988, 1-6