Welcome to the OHTA

 

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

All our course exams are ONLINE,  MULTI-CHOICE QUESTIONS and TRANSLATED into several languages. If you are interested, please read on and download our free course Student Manuals.

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.

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NEWS UPDATE

New Partnership - Pathway to a CIH


AIHA, Workplace Health Without Borders-US, OHTA & the Board for Global Credentialing are pleased to announce a new partnership to help qualified applicants in emerging economies achieve the prestigious CIH credential.

OHTA CIH Pathway

Read more

Occupational Hygiene Training

Latest News

Global Partners Advance Occupational Hygiene in SE Asia

The Faculty of Public Health at Thammasat University in Thailand, in collaboration with Workplace Health Without Borders-US and OHTA approved trainers, successfully delivered a hybrid offering of the OHTA501 course...

Doctors at Cairo University complete ICertOHTA

OHTA is pleased to share exciting news about an OHTA training course that was just completed at Cairo University, Faculty of Medicine.   The course was a (6) module training program...

Nigeria Introduces OHTA Courses

In 2025,  the Association of Industrial Hygienists, Lagos Nigeria (AIHN), https://aihn.org/ introduced OHTA courses to enhance the professional development offer for their members. The courses have been held on-line to...

Our Initiatives


OHTA Member Associations
OHTA has member associations across the world.