You need an Honours BSc degree (UK/Irish 2.1 or Indian ≈ 60–65% or GPA ≥ 3.0/4.0) in a relevant discipline, such as engineering, environmental science, health science, chemistry, or safety management. If your undergraduate was in a somewhat different background (e.g. biology or industrial hygiene), you may be asked to complete prerequisite modules (e.g. risk assessment, exposure measurement, occupational health foundation topics) before or during the programme.
Relevant work experience in occupational health & safety is preferred.