Exposure Time Guidelines

Accepted standards for recommended permissible exposure time for continuous time weighted average noise, according to NIOSH and CDC, 2002. For every 3 dBAs over 85dBA, the permissible exposure time before possible damage can occur is cut in half.

The Noise Navigator®: a database of over 1700 noise sources.

Developed by Elliott Berger, MS, Senior Scientist with 3M Occupational Health and Environmental Safety Division.

• Noise Navigator Spreadsheet - http://www.e-a-r.com/pdf/hearingcons/Noise_Nav.xls – see the tabs at the bottom of the page to find sound levels for settings occupational, non-occupational, military, aircraft, etc.
• E.A.R. Hearing Conservation FAQs - http://www.e-a-r.com/hearingconservation/faq_main.cfm (Visit this link for a list of interesting articles and graphics.)

(See item 2 on this list of interesting articles and graphics.)