Available via the US Navy website this online resource consists of 5 modules:
Module 1 - Introduction & History of Hearing Conservation in the Military
Module 2 - DoD Occupational Hearing Conservation Certification (CAOHC Approved)
Module 3 - Directing a Hearing Conservation Program
Module 4 - Educational Resources on Hearing Preservation
Module 5 - Hot Topics in Hearing Conservation References and Contributors
The Toolbox can be accessed directly by visiting https://www-nehc.med.navy.mil/occmed/HCToolbox.htm
