| reference level abbr. | |
| construct. | cote de zéro |
| fin. | niveau de référence |
|
audiometric : 31 phrases in 9 subjects |
| Communications | 1 |
| Construction | 2 |
| Earth sciences | 2 |
| General | 1 |
| Health care | 12 |
| Medical | 7 |
| Medical appliances | 2 |
| Natural resourses and wildlife conservation | 2 |
| Technology | 2 |