Noise Hazards Noise Fact Charts Noise references - The best way to manage hearing is managing noise and med's you expose yourself to on a daily bases. Required Ear Protection Noise Greater Than 84dB Which Occupational or Recreational Sounds Are Damaging Your Hearing Today? Is It Worth The Loss? What Will You Do To Protect Your Hearing? An Audiogram Reveals Thresholds of Human Hearing. Sounds Related To Speech