14/30279048 DC : DRAFT OCT 2014

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Reference equivalent threshold vibratory
  force levels (RETVFLs)
5 Test conditions and requirements
Annex A (informative) - Note on the derivation
        of RETVFL values
Annex B (informative) - Guidance on the application
        of the reference zero to the calibration of
        bone-conduction audiometers
Annex C (informative) - Differences in reference
        equivalent threshold vibratory force levels
        between forehead and mastoid location of vibrator
Annex D (informative) - Bone-conduction threshold of
        hearing for frequencies below 250 Hz
Bibliography

BS EN ISO 389-3.