Mich. Admin. Code R. 325.2422
Current through Vol. 24-21, December 1, 2024
Rule 22. The maximum permissible le vel for impulse noise shall be 140 dB as measured with a cathode - ray oscilloscope syste m or with other equipment such as the impact noise meter capable of indicating the maximum - instantaneous peak noise level.
Mich. Admin. Code R. 325.2422