OHC Certification and Training
How to Become Certified as an OHC
To become a Certified Occupational Hearing Conservationist (COHC), a candidate must complete the Council for Accreditation in Occupational Hearing Conservation (CAOHC)-approved, 20-hour certification course and pass the accompanying exam. There are no prerequisites for this course. Exam questions reflect only information presented in the course.
For a full review of the course curriculum and domains tested, visit the OHC Course Curriculum section.
COHC Training Courses
Training courses are held nation-wide with some international courses and can be found under OHC - Find a Course.
Registration fees vary by location and Course Director.
To become a Certified Occupational Hearing Conservationist (COHC), a candidate must complete the CAOHC-approved, 20-hour course and receive a passing score on the exam given at the end of the course. This assessment-based certificate exam covers only the information presented during the course.
You can search for an OHC course by filling in any of the fields below. For more options, just fill in one field, to narrow your choices, fill in more fields. Select non-US countries from the state list by scrolling to the bottom of the menu.
To register for an OHC course, contact the Course Director. CAOHC does not manage registration for individual courses. Upon completion of the course, you are eligible for OHC certification.
OHC Course Search