Singapore legislation
Regulation 3
of Workplace Safety and Health (Medical Examinations) Regulations 2011
Regulation 3
Application
These Regulations shall apply to all workplaces in which persons are employed in any hazardous occupation, being any occupation involving —
the use or handling of or exposure to the fumes, dust, mist, gas or vapour of arsenic, cadmium, lead, manganese or mercury or any of their compounds;
the use or handling of or exposure to the liquid, fumes or vapour of benzene, perchloroethylene, trichloroethylene, organophosphates or vinyl chloride monomer;
the use or handling of or exposure to tar, pitch, bitumen or creosote;
the use or handling of or exposure to the dust of asbestos, raw cotton or silica;
exposure to excessive noise; or
any work in a compressed air environment.