Membership with the Canadian Board of Occupational Hygienists is for those individuals who have completed the registration process.  Registration with the CRBOH is through examination.

Registration with the CRBOH confers the right to use the title Registered Occupational Hygienist (ROH®) or Registered Occupational Hygiene Technologist (ROHT®), and indicates the attainment and maintenance of a high standard of professionalism.

Once the registration process has been completed, annual membership dues are payable by January 31st (a late fee applies after January 31st), and Registration Maintenance worksheets are due every 5 years.