• IOHA 2018 takes place in Washington, USA
  • IOHA 2015 took place in London.

National Accreditation Recognition (NAR) Committee


National Accreditation Recognition (NAR) Committee

The following organisations have had their Certification Schemes recognised by IOHA. Click on the name of the organisation, where appropriate, for further details of that particular scheme:

NAR Documents

View the latest version of the Summary of Schemes Timetable  to
View the latest version of the NAR Committee Charter.
View the NAR’s Occupational/Industrial Hygiene Knowledge and Competency Requirements document.