Health Tools

OSHA Noise Exposure Calculator

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Calculate 8-hour Time-Weighted Average (TWA) and Noise Dose

The calculator can be used when the daily noise exposure is composed of two or more periods of noise exposure of different levels in different locatios.

OSHA's maximum allowable daily 8-hour TWA with protection is 90 dBA or 100% noise dose.

Location	Noise Exposure	Duration
	dB(A)	H : M

		:
		:
		:
		:
		:

		Exposure Time	Dose	TWA
	Result:	0:0	%	0dB

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