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Professional Training and Certification


Occupational Hearing Conservation approved by CAOHC

CAOHC Certification

Hearing Certification Course Dates:

March 20th, 21st & 22nd 2024

Fall 2024 TBA

Course Location:


The courses are held at the Hyatt Place Portland Airport/Cascade Station in Portland, Oregon. Conveniently located just east of the Portland International Airport. 


Hyatt Place Portland Airport/Cascade Station 

9750 NE Cascades Parkway

Portland, OR 97220


Call 503-288-2808 for reservations. 


  NIOSH Training available through Palmer Associates     



Course Director: 


Rodney Atack, Ph.D., served on the Council For Accreditation In Occupational Hearing Conservation for 10 years and Chaired the Council two of those years.  He played a significant role in developing the Army hearing conservation while Chief of the Bio-acoustic Division, US Army Environmental Hygiene Agency.  He also created the first Audiometric Technician course.  He has a wealth of practical experience in hearing conservation and is considered an excellent teacher.


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