Welcome to our new website!

Welcome to the OHTA

Occupational Hygiene Training Association 

This is the new digital home of OHTA and the OHTA International Training Scheme and Qualifications Framework.

Here you can search for courses, identify training providers, find training materials, learn how to become qualified in Occupational Hygiene, explore online learning, and much more.

About Us



We have completed our transition to a new website and IT framework. Please take the time to explore the new features available in our new site and contact us if you need any support.

Student Manuals 2024 Register an Account

Occupational Hygiene Training

Our Initiatives

OHTA Member Associations
OHTA has member associations across the world.