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Occupational Hearing Conservation courses include lectures, practical and written examinations, and "hands-on" practical workshop sessions that cover hearing testing, equipment calibration checks, otoscopic screenings, and hearing protection fitting. This training complies with OSHA, MSHA and FRA requirements for personnel conducting audiometric testing for Hearing Conservation Programs in general industries, mining and railroad and includes all relevant “current best approaches” to hearing conservation programs.



These courses will be approved by the Council for Accreditation in Occupational Hearing Conservation (CAOHC) for certification as an Occupational Hearing Conservationist. Participants who complete the 20 hour over three (3) day program and pass the examinations (practical and written) will be eligible for CAOHC certification. Those seeking re-certification must be current with certification and complete the one (1) day refresher class and pass the examinations (practical and written) to be eligible. Please note: If your certification expires any day prior to the course date, you must request an extension from CAOHC at


Occupational health nurses, physicians, audiometric technicians, industrial hygienists, audiologists involved in HCP, managers & other health and safety personnel. There are no prerequisites or prior knowledge needed.


Practical "Hands-On" Sessions and Examination

The practical components of the course will include Otoscopic Examination, Audiometric Testing and Hearing Protection Fitting. Sessions will be conducted in accordance with CAOHC requirements with a ratio of one audiometer for every two participants and one instructor per eight participants. The equipment and material for these sessions will be provided at the course facility.​

Written Examination

A written test will be conducted at the end of the course. This sealed test will be graded by CAOHC and results will be sent 1-2 weeks from the conclusion of the course. No prerequisites or prior knowledge is required. Attention in the course will prepare you for the exam. 

Learning Outcomes

After successfully completing this course, the participant will be eligible to become a certified Occupational Hearing Conservationist (OHC) with the following skills:

  • conduct valid hearing tests 

  • check performance & maintain hearing test equipment

  • implement an employee referral system

  • provide employee training & education

  • properly fit & troubleshoot hearing protection

  • develop accurate record keeping

  • understand State & Federal regulations

  • participate on a hearing conservation team

  • comprehend basic principles of noise measurement & control



Theresa H. Small, AuD, CPS/A, FAAA

Emily Wakefield, AuD, CPS/A, FAAA (some courses)


Next course in CO:

April 24-26: Firestone, CO 80504

NOTE: Private Courses available upon request.



Firestone, CO

April 24-26, 2023

Certification and recertification as an occupational hearing conservationist. Learn to conduct hearing tests for hearing conservation programs.

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