Mich. Admin. Code R. 325.2421Download PDFCurrent through Vol. 24-21, December 1, 2024Section R. 325.2421 - Continuous, broad-band noiseRule 21.(1) The following are maximum permissible levels of continuous, broadband noise based on daily exposure time in places of employment: Click Here To View ImageClick Here To View ImageClick Here To View ImageClick Here To View ImageMich. Admin. Code R. 325.24211979 AC; 2003 AACS