ICertOH — International Certificate in Occupational Hygiene

An entry-level professional qualification from BOHS that demonstrates knowledge and competence in the broad principles and practice of occupational hygiene.

BOHS (British Occupational Hygiene Society) · Faculty of Occupational Hygiene · checked 10 Nov 2026

Official page

Requirements

  1. Successful completion of the appropriate BOHS occupational hygiene modules, or a BOHS-accredited degree.
  2. Three years of relevant professional experience in occupational hygiene.
  3. A computer and internet access — several components are completed and assessed online.

Assessment and application

  1. Create an account on the BOHS hub.
  2. Pay for each component through the hub (fees are listed by BOHS).
  3. Compile your Personal Learning Portfolio (PLP) using the online templates and submit it through the hub.
  4. Book and complete the professional discussion online.
  5. View feedback and results in the hub.

What it leads to

  1. Level 6 in the BOHS qualifications framework (equivalent to NVQ Level 6).
  2. Holders may use the post-nominal letters ICertOH.
  3. It is the qualification required to join the Faculty of Occupational Hygiene as a Licentiate.
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