Hearing Conservation for
High-Volume Manufacturing.
Stamping presses, paint lines, and multi-shift assembly. Your plants run at automotive pace — your hearing conservation program needs to keep up.
0 dB
Peak stamping noise
0+
Employees per plant
2–3
Shifts per facility
0 mo
Annual test cycle
Independent 1910.95 Audit
Third-Party Reviewed
FDA Registered
Class II Medical Device
SOC 2 Type II
AICPA Certified
HIPAA Compliant
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Made in USA
Engineered & Built
The Reality on the Floor
Why Traditional Testing Fails in Automotive Manufacturing
Annual van visits can't keep up with multi-shift scale, noise variability, and OEM audit requirements.
Stamping Press Noise Exceeds 100 dBA
High-speed stamping generates impulse noise above 115 dB. Workers rotating between stamping, welding, and assembly face variable exposure that single-point surveys miss entirely.
Large Workforces Across Multiple Shifts
Tier-1 suppliers run 500–2,000+ employees across 2–3 shifts. Hundreds of tests per facility within the 12-month cycle — without disrupting production quotas.
Paint & Assembly Create Hidden Exposures
Paint booths and pneumatic trim tools at 85–95 dBA are often excluded from monitoring. Workers in these areas need enrollment and testing too.
HPD Fit Fails in Oily, High-Temp Environments
Oil mist and cutting fluid contaminate foam earplugs. Lab-rated NRR means nothing if actual fit delivers 8 dB instead of 29.
Built for Your Operations
How Soundtrace Fits Into Automotive Manufacturing
Test Between Shifts at Scale
50+
tests/day
6-minute tests during shift changes. 50+ workers per day without pulling anyone from production.
Map Noise by Station & Role
Per role
exposure mapping
Connected dosimeters capture TWA by workstation — stamping, welding, paint, assembly. Exposure profiles by job role, not area assumption.
Verify Actual HPD Performance
Real
NRR verified
Quantitative fit testing measures real earplug attenuation. Catch oil-related seal failures before they become an STS.
Multi-Plant Dashboard
30+
year retention
One dashboard for compliance status, STS rates, and coverage across all plants. OEM audit-ready exports.
Know Your Exposure
Noise Levels Across Automotive Operations
Stamping, welding, paint, and assembly each carry distinct noise profiles.
Impulse noise with peaks above 115 dB
Often excluded from monitoring programs
How Loud Is That?
60 dB
Normal conversation
85 dB
OSHA action level
110 dB
Rock concert
130 dB
Jet takeoff (300ft)
OSHA ITA Data
Hearing Loss Trends in Transportation Equipment Mfg (NAICS 336)
OSHA Injury Tracking Application (ITA) reported hearing loss cases across 811 transportation equipment manufacturing companies, 2016–2024.
811
Companies
Across transportation equipment mfg
11,892
Total HL Cases
2016–2024 combined
0.31%
Avg Injury Rate
Cases ÷ employees
Compliance Context
OSHA Compliance in Automotive Manufacturing
Impulse Noise Exposure
Stamping presses generate peaks above 115 dB — different from steady-state exposure and harder to protect against. HPD must be rated for impulse noise.
OEM Audit Requirements
Tier-1 suppliers face IATF 16949 audits that increasingly include EHS compliance. Incomplete HCP records create findings beyond OSHA citations.
Multi-Plant Standardization
Companies with 3–15+ plants need a consistent HCP across every location. Different vendors and fragmented records create systemic risk.
Who We Serve
Types of Companies in Automotive & Parts
Tier-1 suppliers manufacturing powertrain, chassis, and body components with high-speed stamping and forging
Multi-plant OEM assembly operations running 2–3 shifts with 1,000+ employees per facility
Tier-2 and Tier-3 suppliers producing machined parts and sub-assemblies under OEM quality requirements
EV battery and drivetrain manufacturing with new noise profiles from ultrasonic welding and dry rooms
Go Deeper
Automotive & Parts Resources
Related Features
6-minute OSHA-compliant hearing tests on any shift
Station-level dosimetry for variable production areas
Verify actual attenuation in oily, high-temp conditions
Multi-plant digital records with OEM audit exports
Hearing loss data by industry and NAICS code
Built for Automotive Scale.
Ready for Your Plant.
See how Soundtrace handles multi-shift, multi-plant hearing conservation at automotive volume.