Professional Training and Certification


Occupational Hearing Conservation approved by CAOHC

CAOHC Certification

Hearing Certification Course Dates:

March 23rd, 24th, & 25th 2022 

Fall 2022 TBA 

Course Location:


The courses are held at the Clarion Hotel in Portland, Oregon.  Conveniently located 3 miles east of the Portland International Airport.  Accommodations are available at a special rate, just mention that you are attending the ProTek Instruments seminar.  


Call 503-252-2222 for reservations. 


  NIOSH Training available through Palmer Associates     

  March 22nd-March 23



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.