According to the Centers for Disease Control (CDC), some 22 million U.S. workers are currently exposed to hazardous noise conditions. Excessive workplace noise is linked not only to hearing loss, but also to a host of other medical conditions, including cardiovascular diseases such as hypertension, arteriosclerosis, and coronary heart disease (CHD).

Full article: How Modesto wastewater treatment plant eliminated excessive noise
Source: Safety Best Practices