The introduction of a national standard on odour measurement presents a new challenge for Australian olfactometry laboratories to meet tough new instrumental performance and panellist performance criteria. It also raises issues for end users of olfactometry results. For examples regulatory authorities may need to review the current status of odour regulations and guidelines. The paper reviews major issues pertaining to four components in odour impact assessment: measurement of odour, sampling techniques, air dispersion modelling, and the development of assessment criteria. The paper identifies and discusses the resolution of issues that could have a significant effect on the outcomes of odour impact assessment. It is hoped that the paper will provide a useful guide for industry and environmental protection authorities in the further development of an odour impact assessment procedure.

Air dispersion model, dynamic olfactometer, odour, odour impact assessment, odour impact criteria, odour sampling
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© IWA Publishing 2001
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