60.60 Standard published May 15, 2009
CEN
CEN/TC 211 Acoustics
European Norm
13.140 Noise with respect to human beings
ISO 389-9:2009 specifies test conditions for determining the hearing thresholds of subjects for the purpose of establishing standardized values for reference hearing threshold levels.
PUBLISHED
EN ISO 389-9:2009
60.60
Standard published
May 15, 2009