ISO 1999:2013

Noise-Induced Hearing Loss Estimation

This test method provides a standardized approach to estimate the risk of noise-induced permanent threshold shift (NIPTS) and hearing impairment resulting from occupational noise exposure. It combines noise exposure levels with audiometric data and population statistics to predict hearing loss in exposed workers. The assessment is critical for occupational health programs, regulatory compliance, and prevention of occupational deafness. Industries with significant noise exposure use this method to evaluate risks and implement hearing conservation programs. ISO 17025 accreditation ensures accurate risk assessment and validates compliance with occupational health directives.

What it measures

Noise-induced permanent threshold shift (NIPTS)
Occupational noise exposure levels and duration
Risk of hearing impairment in exposed populations
Speech discrimination loss and communication impact
Audiometric hearing threshold changes

🇩🇪 DIN EN ISO 3382-2 🇬🇧 BS EN ISO 3382-2 🇫🇷 NF EN ISO 3382-2 🇮🇹 UNI EN ISO 3382-2 🇪🇸 UNE EN ISO 3382-2 🇳🇱 NEN EN ISO 3382-2 🇩🇪 DIN EN ISO 7029 🇬🇧 BS EN ISO 7029 🇫🇷 NF EN ISO 7029 🇮🇹 UNI EN ISO 7029 🇪🇸 UNE EN ISO 7029 🇳🇱 NEN EN ISO 7029

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TÜV SÜD Hong Kong

DAkkS D-PL-11104-01-02 000000 Hong Kong S.A.R., HK

ISO 14389 DIN EN 14389 BS EN ISO 14362-1 BS EN ISO 14362-3 ISO 17234-1 + 3 more

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ISO 3382-2 Acoustics - Measurement of room acoustic parameters - Part 2: Reverberation time in ordinary rooms
ISO 7029 Acoustics - Statistical distribution of hearing thresholds as a function of age
EN 60645-1 Electroacoustics - Audiological equipment - Part 1: Pure-tone audiometers