ISO 1999-1990 标准详情
- 标准号:ISO 1999-1990
- 中文标题:声学 职业性噪声暴露的测定和噪声引起的听力损伤的估算
- 英文标题:Acoustics; determination of occupational noise exposure and estimation of noise-induced hearing impairment
- 标准类别:国际标准化组织标准ISO
- 发布日期:1990-01
Prescribes a practical relation for these quanitities expressed as A-weighted noise level in dB and duration of exposure within a normal working week (40 hours) and the percentage of personnel that is to be expected to obtain a raised hearing thresho
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