Polish Journal of Environmental Studies
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ISO Abbrev. Title: Pol. J. Environ. Stud.

Vol. 16, No. 2 (2007), 215-225


Determining Temporary Odour Concentration under Field Conditions – Comparison of Methods

J. Kośmider, B. Krajewska

Szczecin University of Technology, Department of Technology and Chemical Engineering, Institute of Chemical Engineering and Environmental Protection Processes, 42 Piastów Avenue, 71-065 Szczecin, Poland


Abstract: The authors compared two methods of determining odour concentration under field conditions. Twelve series of odour measurements were carried out at a mink farm. Odour concentration was determined using a portable dynamic olfactometer (Nasal Ranger, St. Croix Sensory, Inc.) and by approximation using the psychophysical Weber-Fechner equation of S-logZ on odour intensity results. Odour concentrations were about 60 u/m3 for both methods. Values of the ratio cod,WF/codNR were in the range of (0.2-5), which satisfies the requirements of EN 13725.

 

Keywords: field olfactometer, odour intensity scale, n-butanol, Nasal Ranger, Weber-Fechner psychophysical law


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