A variety of course formats to accommodate different learning preferences and schedules are available:
Live: Conducted in-person at a specific location and time, these courses are delivered by OHTA Approved Training Providers. Fees for live courses are determined by the provider and are payable in the local currency.
Live Online: These sessions are streamed in real-time over the internet, allowing global participation. Students can enrol from anywhere in the world, provided the schedule and language suit their needs. Course fees, set by the Training Provider, are in the local currency.
Anytime Online: For those who prefer a self-directed learning pace, our anytime online courses are perfect. These are internet-based and accessible through OHTA partners, such as with Phylmar Academy and AIHA. Explore the Any Time Online courses.
Hybrid: Combining elements of both live and self-paced online learning, hybrid courses offer a flexible learning structure. Details are specified for each individual course.
Please note that some providers may integrate live and online formats to enhance the learning experience.
| course_code | id | Training Provider | Language | Location | crs_location | crs_contact | crs_course | crs_trainerid | crs_enrol | Course / Trainer | post_id | Start Date | start_date_short |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OHTA501 | 243 | Central Industrial Hygiene Partners | English | Live Online | Online | ohta.training@cihp.ca | 8172 | OHTA501 - Measurement of Hazardous Substances | 13793 | 14 Nov 2025 | Nov 2025 | ||
| OHTA507 | 241 | JAB International Consultancy | English | Qatar | Doha, Qatar | info@jabconsultancy.onmicrosoft.com | 6392 | 5 | OHTA507 - Health Effects of Hazardous Substances | 13560 | 16 Nov 2025 | Nov 2025 | |
| OHTA503 | 237 | Sustainable EHS LLP | English | Live Online | ONLINE | training@sustainableehs.com | 288 | 15 | OHTA503 - Noise Measurement and its Effects | 12565 | 22 Nov 2025 | Nov 2025 | |
| OHTA506 | 164 | IOH Solutions | English | Live Online, South Africa | Online | info@iohsolutions.com | 257 | 10 | OHTA506 - Ergonomics Essentials | 7274 | 24 Nov 2025 | Nov 2025 | |
| OHTA506 | 166 | JAB International Consultancy | English | Live Online | Online/Virtual | info@jabconsultancy.onmicrosoft.com | 6392 | 5 | OHTA506 - Ergonomics Essentials | 7366 | 24 Nov 2025 | Nov 2025 | |
| OHTA504 | 229 | JAB International Consultancy | English | Qatar | Doha, Qatar | info@jabconsultancy.onmicrosoft.com | 6392 | 5 | OHTA504 - Asbestos and Other Fibres | 11459 | 7 Dec 2025 | Dec 2025 | |
| OHTA501 | 242 | JAB International Consultancy | English | Qatar | Doha, Qatar | info@jabconsultancy.onmicrosoft.com | 6392 | 5 | OHTA501 - Measurement of Hazardous Substances | 13562 | 14 Dec 2025 | Dec 2025 | |
| OHTA502 | 169 | JAB International Consultancy | English | Live Online | Online/Virtual | info@jabconsultancy.onmicrosoft.com | 6392 | 10 | OHTA502 - Thermal Environment | 7370 | 15 Dec 2025 | Dec 2025 | |
| OHTA506 | 85 | IEH (Institute of Ergonomics and Hygiene) Pte Ltd | English | Live Online, Singapore | Singapore/Online | training@ieh.sg | 253 | 15 | OHTA506 - Ergonomics Essentials | 4017 | 19 Jan 2026 | Jan 2026 | |
| OHTA502 | 219 | Sustainable EHS LLP | English | Live Online | ONLINE | training@sustainableehs.com | 288 | 15 | OHTA502 - Thermal Environment | 10101 | 19 Jan 2026 | Jan 2026 | |
| OHTA201 | 232 | JAB International Consultancy | English | Live Online | Virtual | info@jabconsultancy.onmicrosoft.com | 6392 | 10 | OHTA201 - Basic Principles in Occupational Hygiene | 11914 | 26 Jan 2026 | Jan 2026 | |
| OHTA507 | 174 | IEH (Institute of Ergonomics and Hygiene) Pte Ltd | English | Live Online, Singapore | Singapore/Online | training@ieh.sg | 253 | 15 | OHTA507 - Health Effects of Hazardous Substances | 4020 | 2 Feb 2026 | Feb 2026 | |
| OHTA506 | 217 | Sustainable EHS LLP | English | Live Online | ONLINE | training@sustainableehs.com | 288 | 15 | OHTA506 - Ergonomics Essentials | 10099 | 9 Feb 2026 | Feb 2026 | |
| OHTA507 | 208 | JAB International Consultancy | English | Live Online | Online/Virtual | info@jabconsultancy.onmicrosoft.com | 6392 | 10 | OHTA507 - Health Effects of Hazardous Substances | 9088 | 23 Feb 2026 | Feb 2026 | |
| OHTA505 | 254 | IOH Solutions | English | Live Online | Live Online | info@iohsolutions.com | 257 | 5 | OHTA505 - Control of Hazardous Substances | 14058 | 23 Feb 2026 | Feb 2026 | |
| OHTA201 | 173 | IEH (Institute of Ergonomics and Hygiene) Pte Ltd | English | Live Online, Singapore | Singapore/Online | training@ieh.sg | 253 | 15 | OHTA201 - Basic Principles in Occupational Hygiene | 4023 | 2 Mar 2026 | Mar 2026 | |
| OHTA201 | 257 | IOH Solutions | English | Live Online | Live Online | Info@iohsolutions.com | 257 | 10 | OHTA201 - Basic Principles in Occupational Hygiene | 14063 | 9 Mar 2026 | Mar 2026 | |
| OHTA502 | 141 | IEH (Institute of Ergonomics and Hygiene) Pte Ltd | English | Live Online, Singapore | Singapore/Online | training@ieh.sg | 253 | 15 | OHTA502 - Thermal Environment | 6521 | 9 Mar 2026 | Mar 2026 | |
| OHTA501 | 86 | IEH (Institute of Ergonomics and Hygiene) Pte Ltd | English | Live Online, Singapore | Brunei Darussalam | training@ieh.sg | 253 | 15 | OHTA501 - Measurement of Hazardous Substances | 4019 | 6 Apr 2026 | Apr 2026 | |
| OHTA502 | 251 | IOH Solutions | English | Live Online | Live Online | Info@iohsolutions.com | 257 | 5 | OHTA502 - Thermal Environment | 14055 | 13 Apr 2026 | Apr 2026 | |
| OHTA505 | 88 | IEH (Institute of Ergonomics and Hygiene) Pte Ltd | English | Live Online, Singapore | Singapore/Online | training@ieh.sg | 253 | 15 | OHTA505 - Control of Hazardous Substances | 4021 | 20 Apr 2026 | Apr 2026 | |
| OHTA503 | 89 | IEH (Institute of Ergonomics and Hygiene) Pte Ltd | English | Live Online, Singapore | Singapore/Online | training@ieh.sg | 253 | 15 | OHTA503 - Noise Measurement and its Effects | 4022 | 4 May 2026 | May 2026 | |
| OHTA201 | 258 | IOH Solutions | English | Live Online | Live Online | info@iohsolutions.com | 257 | 10 | OHTA201 - Basic Principles in Occupational Hygiene | 14064 | 11 May 2026 | May 2026 | |
| OHTA503 | 168 | JAB International Consultancy | English | Live Online | Live ONline/Virtual | info@jabconsultancy.onmicrosoft.com | 6392 | 10 | OHTA503 - Noise Measurement and its Effects | 7368 | 1 Jun 2026 | Jun 2026 | |
| OHTA503 | 252 | IOH Solutions | English | Live Online | Live Online | info@iohsolutions.com | 257 | 5 | OHTA503 - Noise Measurement and its Effects | 14056 | 8 Jun 2026 | Jun 2026 | |
| OHTA201 | 246 | IOH Solutions | English | Live Online | online | info@iohsolutions.com | 257 | 5 | OHTA201 - Basic Principles in Occupational Hygiene | 14050 | 27 Jul 2026 | Jul 2026 | |
| OHTA506 | 255 | IOH Solutions | English | Live Online | live Online | info@iohsolutions.com | 257 | 5 | OHTA506 - Ergonomics Essentials | 14061 | 10 Aug 2026 | Aug 2026 | |
| OHTA201 | 247 | IOH Solutions | English | Live Online | online | info@iohsolutions.com | 257 | 5 | OHTA201 - Basic Principles in Occupational Hygiene | 14051 | 24 Aug 2026 | Aug 2026 | |
| OHTA501 | 250 | IOH Solutions | English | Live Online | Live Online | info@iohsolutions.com | 257 | 5 | OHTA501 - Measurement of Hazardous Substances | 14054 | 7 Sep 2026 | Sep 2026 | |
| OHTA201 | 248 | IOH Solutions | English | Live Online, Botswana, India, Ireland, Kenya, Lesotho, Malawi, Mauritius, Mozambique, Namibia, New Zealand, South Africa, Swaziland, Zimbabwe | online | info@iohsolutions.com | 257 | 5 | OHTA201 - Basic Principles in Occupational Hygiene | 14052 | 21 Sep 2026 | Sep 2026 | |
| OHTA507 | 256 | IOH Solutions | English | Live Online, Angola, Australia, Botswana, India, Ireland, Lesotho, Malawi, Mauritius, Mozambique, Namibia, New Zealand, South Africa, Swaziland, Zimbabwe | Live Online | info@iohsolutions.com | 257 | 5 | OHTA507 - Health Effects of Hazardous Substances | 14062 | 26 Oct 2026 | Oct 2026 | |
| OHTA201 | 249 | IOH Solutions | English | Live Online, Australia, Botswana, India, Ireland, Lesotho, Malawi, Mauritius, Mozambique, Namibia, New Zealand, South Africa, Swaziland, Zimbabwe | online | info@iohsolutions.com | 257 | 5 | OHTA201 - Basic Principles in Occupational Hygiene | 14053 | 9 Nov 2026 | Nov 2026 | |
| OHTA504 | 253 | IOH Solutions | English | Zimbabwe | Live Online | info@iohsolutions.com | 257 | 5 | OHTA504 - Asbestos and Other Fibres | 14057 | 23 Nov 2026 | Nov 2026 |
