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Welcome to our new website!

Welcome to the OHTA

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.

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NEWS UPDATE

IOHA Collaboration Award

The OHTA was presented with the 2024 IOHA Collaboration Award in honor of its profound commitment to improving worker health and promoting occupational hygiene on a global scale.

Occupational Hygiene Training

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We develop and maintain training materials that enhance the competency of those responsible for assessing worker health risks.

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OHTA approves training providers all over the world to teach OHTA courses. Find a course that suits your professional development needs.

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To ensure a consistent and high standard of training, only approved providers can deliver OHTA internationally recognised courses.

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ANYTIME ON-LINE COURSES

Self-paced, interactive internet-based course offered through OHTA Partners including AIHA and Phylmar Academy.

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OHTA Framework

Our Training Scheme & Qualifications Framework allow students to study at a level that meets their needs and skills.

Latest Course Manuals

OHTA201 – Basic Principles in Occupational Hygiene
OHTA501 – Measurement of Hazardous Substances
OHTA502 – Thermal Environment
OHTA503 – Noise Measurement and its Effects
OHTA504 – Asbestos and Other Fibres
OHTA505 – Control of Hazardous Substances
OHTA506 – Ergonomics Essentials
OHTA507 – Health Effects of Hazardous Substances

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