Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents and materials
5 General test conditions
5.1 Test room
5.2 General test rules
6 Methods
6.1 Direct methods of smelling
6.2 Retro-nasal methods of smelling
7 Answer form
8 Interpretation of results
8.1 Initiation
8.2 Training
8.3 Selection
Annex A (normative) Preparation of dilutions of odoriferous
substances
Annex B (informative) Specimen answer form
Annex C (informative) Retro-nasal method of assessing odours
in gaseous phase by placing smelling
strips into the buccal cavity