SAIOH has its origins in the Occupational Hygiene Association of South Africa (OHASA) which was established in 1983 to promote an awareness of Occupational Hygiene.  The Institute of Occupational Hygienists of South Africa (IOHSA) was established in 1993 to register Occupational Hygienists who meet appropriate standards of education and practical experience. These two bodies merged in 2000 to form the present day SAIOH.
SAIOH has approximately 900 members and an annual budget of about a million rand which is applied to branch and head office incidentals.  SAIOH is dependent on sponsorship and membership fees to sustain itself and provide a service to members. These service include, but not limited to
  • Certification
  • Annual Membership
  • The SAIOH Annual Conference
  • Workshops/ Seminars
  • The OHSA Journal and Safety First Magazine
  • SAIOH Events and OH-related Matters


Establish and provide for sustainable support systems, in ensuring excellence in occupational hygiene in the African context.



Ensuring healthy working environments in Africa through excellence in occupational hygiene.



  • Advancement of the OH discipline
  • Promotion of the activities of the institute
  • Nurturing the interest and status of our members
  • Promotion of education and training in the OH discipline 


  • Establish and provide for sustainable support systems, in ensuring excellence in occupational hygiene in the African context (2015)
  • Build SAIOH capacity at all levels (2016)
  • Entrench excellence, professionalism and competence in the oh profession (2017)
  • Promote the oh profession (2018)
  • Grow SAIOH membership within southern Africa across various sectors (2018)



Respect - we believe that all people are entitled to a healthy workplace and healthy work life to retire free from workplace related illnesses or disease.

Caring – we are committed to serving with empathy and compassion, our members.

Teamwork – we are committed to effective partnerships between volunteers and members, and we seek opportunities to form alliances with sister organisations from developing countries and across the globe.

Integrity – we are committed to act in an ethical, honest and transparent manner.

Quality – through the creation and maintenance of systems we strive to ensure that all practicing hygienists perform their duties in line with world class standards.



After the Commission of Inquiry on Occupational Health in South Africa the Erasmus Report was published in 1976 and after several informal / impromptu discussions as well as a request from the Department of Labour, a meeting was organised with the aim to discuss the formation of an organisation for the occupational hygiene profession. The prime objective of this meeting was to determine the need for an organisation to promote and protect the professional status of occupational hygienists. A sub-committee was formed to investigate, define and report on the following: what an occupational hygienist is define the responsibilities of OHASA as well as what the responsibilities of the "new organization" will be aim for the establishment and maintenance of international recognition register occupational hygienists according to set criteria ensure good working relationship between the newly established organisation and OHASA.

In February 1992, nominations for the transitional committee of IOHSA were called for. This committee consisted of elected representatives from the following sectors:
  • Education
  • Practicing Consultants
  • General Industry
  • Trade Unions
  • Mining Industry
  • Government Agencies
  • Local Government
The transitional committee then established an examination committee, professional categories, evaluation standards and the constitution.  Following a presentation made by Dr John Johnston and Dr Johan Schoeman in Geneva, Switzerland, IOHSA was granted membership to the International Occupational Hygiene Association (IOHA) in Stockholm in 1996.  After several meetings the OHASA and IOHSA Councils began joint meetings early in 1998. A strategic objective setting meeting was held in March 2000 and the Southern African Institute for Occupational Hygiene officially launched, with a new name, new logo and new council members. With the formation of SAIOH, the initial objective of creating awareness of SAIOH as a professional institute and enhancing occupational hygiene as a discipline could now be reached.

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