What action levels trigger hearing conservation measures?
Hearing conservation measures are triggered when assessed employee exposure reaches or exceeds the action levels set by the applicable occupational standard, company policy, or regulatory framework being followed.
In India, the key action levels for hearing conservation typically include:
- Continuous noise exposure reaches around 85 dB(A) over an 8-hour work shift, or
- Equivalent exposure levels over shorter durations exceed permissible limits as per occupational safety standards
Once these levels are reached or exceeded, industries are required to implement hearing conservation measures such as:
- Regular noise monitoring and risk assessments
- Engineering controls (noise reduction at source or barrier systems)
- Administrative controls (shift rotation, reduced exposure time)
- Mandatory use of personal protective equipment (PPE) like earplugs or earmuffs
- Audiometric testing and health surveillance for exposed workers
- Training and awareness programs on noise hazards
These measures are commonly followed in Indian industries such as manufacturing, construction, power plants, mining, and heavy engineering to prevent noise-induced hearing loss.
At Uniquo, we help organizations identify action levels through detailed noise testing and support the implementation of effective hearing conservation programs in line with applicable safety standards.