The Occupational Hygiene Association of Ontario

The Occupational Hygiene Association of Ontario (OHAO) is the number one resource in Ontario for people with an interest in occupational hygiene.  OHAO has something to offer everyone with an interest in the field of occupational hygiene. All members also receive the OHAO Forum quarterly newsletter, member discounts on job postings and directory listings and the ability to serve on committees and the OHAO Board 

Looking for a job in occupational hygiene? 

Looking for your next great employee?

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If you are an occupational hygienist or have an interest in occupational hygiene you need to be an OHAO member!

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OHAO Vision Statement

A future free of environmental and occupational harm to workers and communities. 

OHAO Mission Statement

To advance the profession of occupational hygiene and to serve the interests of our members by:

- sponsoring professional development and training;

- promoting public and legal recognition;

- developing partnerships with stakeholders;

- providing public education;

- fostering communication and networking

For information on OHAO's Values and Diversity and Inclusion Statement click here.

Occupational Hygiene Association of Ontario (OHAO)
6700 Century Ave, Ste. 100
Mississauga, ON, L5N 6A4

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