EP7 Sonic Defenders Ultra protect your hearing from dangerous noise levels—without interfering with your ability to hear ambient sounds and conversations. These non-electronic earplugs feature Hocks Noise Braker® filters that allow lower-decibel sounds to pass through, while potentially harmful sound levels above 85dB are reduced to safer levels.

In the February 2012 issue of the International Journal of Audiology researchers at Western Michigan University’s Department of Speech Pathology and Audiology identify the distribution of typical noise levels present in daily life and identify factors associated with average sound levels.

Controlling construction noise can pose special problems for contractors. Unlike general industry, construction activities are not always stationary and in one location.

The range of industrial hygienists indeed reaches beyond industry gates, as shown by the sell-out audience that attended a full-day, for-fee course in community noise held during the Professional Conference on Industrial Hygiene held earlier this month in Baltimore.