NEN EN 13725 : 2003 C1 2006

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Principle of measurement
5 Performance quality requirements
6 Materials, gases and panel members
7 Sampling
8 Presentation of odorants to assessors
9 Data recording, calculation and reporting
Annex A (normative) Working conditions and working platform
        for sampling
Annex B (informative) Physiological principles
Annex C (informative) Example of calculation of instrumental
        accuracy and instability
Annex D (informative) Example of calculation of odour
        measurements within one laboratory
Annex E (informative) Example of calculation for panel
        selection
Annex F (informative) Example of the calculation of the odour
        concentration from a set of panel member responses
Annex G (informative) Example of the calculation used to
        determine the number of odour concentration
        measurements required to achieve a defined precision
Annex H (informative) Example of the calculation used to
        determine the number of odour concentration
        measurements required to detect a difference between
        two means
Annex I (informative) Example of the calculation of the odour
        flow rate (standard conditions) for a wet emission
Annex J (informative) Sampling strategy
Bibliography

Describes method for the objective determination of the odour concentration of a gaseous sample using dynamic olfactometry with human accessories and the emission rate of odours emanating from point success, areas sources with outward flow and area sources without outward flow.