N.H. Admin. Code § Lab 1403.41 - Noise Exposure

The employer shall ensure compliance with the following requirements:

(a) Protection against the effects of occupational noise exposure shall be provided when the sound levels exceed those shown in Table 3, Permissible Noise Exposures. Feasible engineering or administrative controls shall be utilized to keep exposure below the allowable limit.

(b) When engineering or administrative controls fail to reduce the noise level to within the levels of Table 1400.1, personal protective equipment shall be provided and used to reduce the noise to an acceptable level.

(c) Exposure to impulsive or impact noise should not exceed 140 dB peak sound pressure level.

Table1400.1 Permissible Noise Exposure

	Sound Level
	dBA Slow
Duration Per Day, Hours	Response
8	90
6	92
4	95
3	97
2	100
1-1/2	102
1	105
1/2	110
1/4 or less	115

Notes

N.H. Admin. Code § Lab 1403.41

#4118 eff 8-22-86, EXPIRED: 8-22-92

New. #6684, eff 2-4-98, EXPIRED: 2-4-06

New. #8606, INTERIM, eff 4-12-06, EXPIRED: 10-09-06 (formerly Lab 1403.54)

New. #8796, eff 1-11-07

Amended and Renumbered from Lab 1403.38 by Volume XXXV Number 18, Filed May 7, 2015 , Proposed by #10809, Effective 4/9/2015, Expires4/9/2015.