The main objective of the Association for Occupational Hygiene Approved Inspection Authorities is to promote, represent and protect the interest of Occupational Hygiene Approved Inspection Authorities.
The OHAIA Association is a registered Non Profit Company (Reg. No.:2014/212083/08)


Our Vision

To achieve sustainable growth, we have established a vision with clear goals:



To maximize growth of our overall responsibilities.


To bring to the profession knowledge and competencies that anticipates and satisfies members’ desires and needs.


To nurture a winning networking of partners and building mutual loyalty and integrity in the profession.


To be a responsible national profession that makes a difference in the field of Occupational Hygiene.


Our Mission

To achieve sustainable growth, we have established a vision with clear goals:

A PDF version is available here.


Code of Conduct

The purpose of this code is to set forth guidelines for the professional and ethical conduct of all members of the Association. Membership of the Association implies adherence to the Code of Conduct.
As a Member of the Association, I accept and promise to:

Disciplinary Action

Any member may be required to answer enquiries from the Association concerning their professional conduct. Failure to respond within 21 days may lead to suspension and withdrawal of membership. Any actions found to be in contravention of the Association’s Code of Conduct may incur disciplinary action after investigation and consideration by a Commission nominated by Board.
A PDF Membership Form is available here.


Founding Members and Board Directors



VAN DEN HEEVER, DAWID JOHANNES
(AIA: VDH Industrial Hygiene)
Active Director
Cell: 083 276 8124


VAN RENSBURG, SAMUEL JACOBUS
(AIA: Gijima OHES)
Active Director
Cell: 0823237426


VAN DYK, PHILIPPUS DANIEL
(AIA: Poltech)
Active Director & Chairperson of the Board
Cell: 082-572-2770


BEUKES, JOHANNES DANIEL RUDOLF
(AIA: HONL)
Active Director
Cell: 082 446 7532



Our offices are located in Centurion Pretoria (details).

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For general enquires please email: admin@ohaia.org