Your facility's noise profile,station by station, shift by shift.
Dosimeter engineers plant calibrated meters in factories, construction corridors, and engine rooms — then deliver the data that turns an OSHA warning into a defensible compliance record.
Five deliverables.
One bound report.
Each section of the Dosimeter engagement produces a regulatory-grade output. Here's what you receive, spec by spec.
8-hour TWA readings for every exposed worker, every shift.
Dosimeter engineers mount ANSI S1.25-compliant dosimeters on each worker at the start of their shift. The instrument rides with them through every task, capturing the true noise dose — not a workstation estimate. Results include dose percentage, projected hearing damage risk, and OSHA PEL comparison by individual.
| Worker ID | Position | 8-hr TWA | OSHA PEL | ACGIH TLV | Dose % | Status |
|---|---|---|---|---|---|---|
| W-04 | Press Operator A | 88.3 dBA | 90 dBA | 85 dBA | 67% | ACTION REQ. |
| W-07 | Compressor Tech | 93.1 dBA | 90 dBA | 85 dBA | 134% | EXCEEDANCE |
| W-11 | Pneumatic Fill Op. | 86.7 dBA | 90 dBA | 85 dBA | 88% | ACTION REQ. |
| W-15 | QC Inspector | 72.4 dBA | 90 dBA | 85 dBA | 12% | COMPLIANT |
| W-19 | Engine Bay Tech | 94.6 dBA | 90 dBA | 85 dBA | 156% | EXCEEDANCE |
Octave-band analysis at every noise source and property boundary.
Type 1 sound level meters positioned at machinery, workstations, and exterior property lines. Frequency-resolved data identifies dominant noise sources — so engineering controls target the right octave bands, not just the loudest machine. Required for construction pre-pour operations and facility boundary compliance.
Ranked control recommendations with cost estimates and dB reductions.
The NIOSH hierarchy of controls applied to your specific facility layout. Each recommendation includes the expected attenuation in dB, estimated installation cost, and implementation timeline. Prioritized by exceedance severity — so you know exactly where to spend the first dollar and what it buys you in compliance headroom.
| Control Measure | Type | Est. Reduction | Est. Cost | Timeline |
|---|---|---|---|---|
| Acoustic enclosure — compressor bank | Engineering | 12–15 dB | $18,400 | Immediate |
| Anti-vibration mounts — pneumatic fillers | Engineering | 6–9 dB | $4,200 | Immediate |
| Hearing protection program — Zone C | Administrative | N/A | $1,100/yr | 30 days |
| Job rotation — 4-hr max exposure | Administrative | Effective −3 dB | $0 | 30 days |
| Acoustic baffles — conveyor line B | Engineering | 4–6 dB | $6,800 | 90 days |
OSHA Abatement Documentation: All engineering control recommendations are formatted for direct submission as OSHA abatement plans. Signed by a Dosimeter licensed engineer.
Baseline audiograms for your hearing conservation program — on site.
A mobile audiometric booth arrives at your facility. Workers complete baseline and annual audiograms without losing a shift. Results are entered directly into your HCP records with OSHA-required standard threshold shift analysis. Eliminates the scheduling friction that causes programs to lapse — and the citations that follow.
OSHA submissions, abatement plans, and variance requests — signed and filed.
Dosimeter engineers don't hand you a report and walk away. We co-sign every regulatory submission, prepare the OSHA 300 log entries, and draft abatement plans to your citation timeline. For facilities pursuing engineering control variances, we prepare the technical justification documentation required by the Area Director.
| Standard | Jurisdiction | PEL | Action Level | Audiometric | Filing |
|---|---|---|---|---|---|
| OSHA 29 CFR 1910.95 | Federal | 90 dBA TWA | 85 dBA TWA | Required > 85 dBA | OSHA 300 Log |
| ACGIH TLV-TWA | Industry Best Practice | 85 dBA TWA | 80 dBA TWA | Recommended > 80 dBA | Internal record |
| MSHA 30 CFR 62 | Mining/Energy | 90 dBA TWA | 85 dBA TWA | Required > 85 dBA | MSHA Form 7000-1 |
The roar drops away.
The data appears.
Every day without a noise assessment is a day your workers accumulate irreversible hearing loss and your facility accumulates citation risk. A scoped proposal takes one conversation.