Noise (occupational noise exposure)
For Noise (occupational noise exposure), cfr section is 1910.95; action level is 85 dBA 8-hour TWA; pel is 90 dBA (8-hour TWA) per Table G-16; surveillance trigger is Exposure equal to or exceeding an 8-hour time-weighted average sound level (TWA) of 85 decibels measured on the A scale (slow response) or, equivalently, a dose of fifty percent; exam frequency is Baseline audiogram within 6 months of first exposure at or above action level; at least annually thereafter for each employee exposed at or above an 8-hour TWA of 85 decibels, recorded from its source on 2026-08-12.
- Substance
- Noise (occupational noise exposure)
- CFR section
- 1910.95
- Action level
- 85 dBA 8-hour TWA verified
- PEL
- 90 dBA (8-hour TWA) per Table G-16
- Surveillance trigger
- Exposure equal to or exceeding an 8-hour time-weighted average sound level (TWA) of 85 decibels measured on the A scale (slow response) or, equivalently, a dose of fifty percent
- Exam frequency
- Baseline audiogram within 6 months of first exposure at or above action level; at least annually thereafter for each employee exposed at or above an 8-hour TWA of 85 decibels
- Record retention
- Noise exposure measurement records: two years; audiometric test records: duration of the affected employee's employment
What the source says
The employer shall establish and maintain an audiometric testing program as provided in this paragraph by making audiometric testing available to all employees whose exposures equal or exceed an 8-hour time-weighted average of 85 decibels.
— law.cornell.edu, retrieved 2026-08-12
Source
- law.cornell.eduhttps://www.law.cornell.edu/cfr/text/29/1910.95