Membership Types

Individual Membership

Student Membership

This level of membership is aimed at those who are currently completing a full or part-time course in occupational hygiene and who are not currently working full-time in occupational hygiene.

Associate Membership

This level of membership is aimed at those who are either working in or have a professional interest in occupational hygiene, occupational medicine, occupational health and safety, environmental health or other allied field.

Provisional Membership

This is the first of the professional grades within the AIOH. Membership at this level enables persons to identify themselves as occupational hygienists. Provisional Members must have completed relevant tertiary studies and have been working in the field of occupational hygiene or one of its specialist branches for at least one year in a professional capacity. Provisional members must be able to demonstrate to Council that an acceptable level of understanding of the principles of occupational hygiene has been achieved.

Full Membership (MAIOH)

Membership at this level enables occupational hygienists to use the post-nominals MAIOH. Full Members must have completed relevant tertiary studies and have been working in the field of occupational hygiene or one of its specialist branches for more than five years in a professional capacity. Full members must be able to demonstrate to the Council that a satisfactory level of professional competence has been achieved.

Fellow Membership (FAIOH)

Membership at this level enables occupational hygienists to use the post-nominals FAIOH. Fellow Members must have been a Full Member of the Institute for at least five years and have worked for more than fifteen years in a professional capacity in the field of occupational hygiene or one of its specialist branches. Fellow members must also have made a distinguished contribution to the advancement of the profession of occupational hygiene. Fellow Members are nominated by a Full or Fellow member of the Institute and are to be seconded by a Full or Fellow member of the Institute.

To nominate a member for Fellow, please download the nomination form here.

Honorary Fellow Membership

A person may become an Honorary Fellow by invitation from the Council in recognition of a distinguished contribution to the advancement of the profession of occupational hygiene.

Certified Occupational Hygienist (COH)

Members who achieve this status are entitled to use the post-nominals COH. COHs must have completed relevant tertiary studies and been working in the field of occupational hygiene or one of its specialist branches for more than five years in a professional capacity. COHs must be able to demonstrate to the Council that a satisfactory level of professional competence has been achieved through successful completion of an oral examination.

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