Upcoming Courses for Occupational Hearing Conservationists (OHC)

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

Only areas with courses are listed

For a map of all courses and locations, click here

Courses listed on this website are CAOHC-approved. For more information on certification, click here. To read the OHC Course Curriculum click here.


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CAOHC may use cookies to collect, store, and sometimes track information for statistical purposes, to improve the products and services we provide, or to save your settings and to provide customizable and personalized services. These cookies do not enable third parties to access any of your personal information. Additionally, be aware that if you visit non-CAOHC Web sites where you are prompted to log in or that are customizable, you may be required to accept cookies from that provider. Third parties and other non-CAOHC Web sites may also use their own cookies. We do not control use of these cookies and expressly disclaim responsibility for information collected through them. Please see our Privacy Notice for additional details.