Hearing Conservation Reference Charts and Calculators

Government Regulations Comparison Chart - A useful chart summarizing regulations and recommendations from various government agencies.

Noise Intensity Time Exchange - A chart showing equivalent exposures to different noise levels.

Cost Comparison Calculator - A calculator to estimate the cost savings of using Custom Hearing Devices compared to Disposable Foam Earplugs.

Noise Meter (External Link) - An interactive noise meter showing the relative intensities of everyday sounds. (This will take you the to a page within