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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COFRAC 1-0273 Dechy, FR
DIN EN 14385 NF X43-551 ETSI EN 301 489-1 V2.2.3 2019-11 DIN EN 13039 DIN EN ISO 21656 + 3 more
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COFRAC 1-1374 Thourotte, FR
DIN EN ISO 10140-1 DIN EN ISO 717-1 DIN EN ISO 10140-2 DIN EN ISO 10140-4 DIN EN ISO 10140-5
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COFRAC 1-1202 Gellainville, FR
NF T90-111 DIN EN ISO 17294-2 DIN EN ISO 14403-2 DIN EN ISO 11357-3 DIN EN ISO 10304-1 + 3 more
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COFRAC 1-0576 Sedan, FR
DIN EN ISO 717-2 DIN EN ISO 10140-3 DIN EN 1081 DIN EN ISO 105-B02 DIN EN ISO 9239-1 + 3 more
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COFRAC 1-5598 Crolles, FR
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COFRAC 1-6125 Aurillac Cedex, FR
DIN EN ISO 17294-2 DIN EN ISO 14403-2 NF U47-105 NF T 90-412 DIN EN ISO 7899-1 + 3 more
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COFRAC 1-7302 Valence Cedex 9, FR
DIN EN ISO 14403-2 VDE 414-9-11 DIN ISO 11465 DIN EN ISO 10304-1 NF-T 90-029 + 3 more
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COFRAC 1-6123 Le Puy En Velay Cedex, FR
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COFRAC 1-6949 Nevers Cedex, FR
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COFRAC 1-6120 Lempdes, FR
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COFRAC 1-1941 Nantes, FR
NF ISO 21438-3 NF X 43-264 NF ISO 21438-1 ISO 16200-2 NF ISO 21438-2 + 3 more
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Related Standards

  • 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

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