Class 3 hearing requirements
Initial and Renewal/Revalidation
Audiogram:
| Frequency in Hz | Maximal acceptable hearing loss in dB |
|---|---|
| 500 | 35 |
| 1000 | 35 |
| 2000 | 35 |
| 3000 | 50 |
Validity periods for audiograms
| Age | Frequency |
|---|---|
| Under 40 | 4 yearly |
| 40 plus | 2 yearly |
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