exposure
Noise Dose Calculator
Free noise dose calculator per OSHA 29 CFR 1910.95 (5 dB exchange rate) or ACGIH/EU (3 dB). Returns 8-hour TWA and action-level exceedances.
Result
{
"dose": 132,
"twa8h": 92,
"actionLevelExceeded": true,
"permissibleExceeded": true,
"exchangeRate": 5
}Formula
TWA = 90 + Q × log₂(hours / permissible hours)Regulation
OSHA 29 CFR 1910.95 / ACGIH / EU 2003/10/EC
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