Abstract
Sensory analyses are one of the most frequently used odour research methods that allowestablishing the most important odour characteristics, i.e. odour concentration and odourintensity, characterised by a high degree of interrelationship. During an11-month study odourconcentration and intensity were measured at selected mechanical-biological solid municipalwaste treatment plant at 35 measuring locations to assess the degree of correlation between thosetwo parameters. Commonly used Weber-Fechner law was applied to assess the correlation. Resultsindicate a high degree of correlation between odour concentration and intensity, for example, R2valued for two different approaches at 0.87, and 0.95, while Pearson’s r valued at 0.93, and 0.97.Following the results this proves that odour concentration and odour intensity could potentially beused interchangeably for odour assessment. However, applying Weber-Fechner law for predictionof odour concentration based on odour intensity measurements gives imprecise results. Suchapproach could be potentially applied when limited measurements of odour concentration areavailable as determination of odour intensity that could be performed even by Facility employees.
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