Authors: J.C. Segura And J.J.R. Feddes
Identifier: C0708
Download file: https://library.csbe-scgab.ca/docs/journal/52/C0708.pdf
Published in: CBE Journal » CBE Journal Volume 52 (2010)

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Description: Odour dispersion models are validated from odour intensity data. gathered by field odour assessors. These odour intensity data are compared to predicted odour concentrations. Odourintensity-concentration relationships exist for manure odours, but not for a reference odour n-butanol gas. A relationship betweenthe intensity of air n-butanol mixtures expressed as an eight-point odour intensity reference scale (OIRS) and the correspondingn-butanol odour concentration by olfactometry was determined. A relationship was found between the n-butanol intensities in aIrand the odour concentration following the definition of 40 ppb = 1 OUm-3. The training protocol used by the odour assessors withthe n-butanol in jars was found to be reliable and repeatable. Livestock odour intensities measured in the field can be low bya factor of three when considering typical odour intensities.

Keywords: odour dispersion models, reference odour, n-butanol
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Date: 2010-09-13
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Publication type: Journal
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Coverage: Canada
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Relationship between odour intensity and concentration of n-butanol