Air quality. Olfactometric measurements. Measurement of the odour of a gazeous effluent. Supra-threshold methods.

Avant-propos 5

1 Domaine d'application 5

2 Références normatives 6

3 Définitions 6

3.1 intensité odorante d'une atmosphère 6

3.2 gaz inodore 6

3.3 gaz propre 6

3.4 olfactomètre 6

3.5 facteur de dilution 6

3.6 seuil de détection, seuil d'identification 7

3.7 adaptation 7

3.8 stimulation odorante, gêne et nuisance 7

4 Principe 7

5 Sélection des personnes constituant le jury 7

6 Matériel et substances étalons 8

6.1 Substances étalons 8

6.2 Sacs 8

6.3 Fioles de verre dites de Fourneau 8

6.4 Olfactomètre 8

7 Mode opératoire 8

7.1 Présentation des intensités de référence 8

7.2 Mesure de l'intensité odorante d'une atmosphère donnée 9

8 Traitement statistique des résultats 10

8.1 Traitement des données expérimentales 10

8.2 Prétraitement 11

8.3 Estimation par la fonction de répartition normale 11

8.4 Estimation par la fonction de répartition empirique 11

8.5 Présentation des résultats 12

9 Rapport d'essai 12

10 Bibliographie 12

Annexe A (informative) Variation de l'intensité odorante d'un corps pur en fonction de sa concentration 13

Annexe B (informative) Liste des produits recommandés pour la sélection des sujets 14

Annexe C (informative) Correspondance des échelles et des concentrations 15

Annexe D (informative) Exemple de calcul statistique 18

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