+32 9 265 74 00

WHAT IS A PERCENTILE VALUE?

The percentage of time a certain average concentration is not exceeded. The fraction of the measured or calculated values which exceed a certain predetermined threshold. During odour impact assessment the 98-percentile of 1 se/m³ is often used, this indicates the area where during 2% of the time (based on 1 year) a concentration of 1 se/m³ or higher is perceived.

More questions? contact us! Back to overview
Stay informed, subscribe to our newsletter