Occupational Hearing

Providing Occupational Hearing Services Since 1972


The Marion Downs Center occupational hearing conservation program has been Colorado’s premier occupational hearing conservation provider since 1972. Currently, the Marion Downs Center provides high-quality, OSHA and MSHA-compliant hearing conservation programs for over 300 Colorado businesses. 

Marion Downs Center Contributes to Noise Exposure Research

Over Decades, the Marion Downs Center has provided hundreds of thousands of de-identified hearing tests to the Centers for Disease Control and Prevention CDC and National Institute for Occupational Safety & Health NIOSH for research purposes.

A recent study by Masterson and Themann (in press) examines hearing loss among noise-exposed workers in the different industry sub-sectors within the Utilities sector. The study includes the percent of noise-exposed workers with hearing loss and their risk compared to a lower-exposed industry.

Masterson, E. A., & Themann, C. L. (in press). Prevalence of hearing loss among noise-exposed U.S. workers within the Utilities Sector, 2010-2019. Journal of Occupational and Environmental Medicine.

Learn more about CDC Research

Occupational Hearing Loss Surveillance

Noise and Hearing Loss

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