Section 77: Health surveillance

77. Health surveillance (1) Every employer shall ensure that an employee who is exposed, or liable to be exposed, to a substance hazardous to health be placed under suitable health surveillance, including medical surveillance, where— (a) the exposure to that substance is such that an identifiable occupational disease, as specified in the Fourteenth Schedule, or an adverse effect may be related to the exposure; (b) there is reasonable cause to believe that the disease or adverse effect may occur under his prevailing working conditions; or (c) a medical practitioner has advised such surveillance. (2) Where an employee is exposed to a substance specified in the Ninth Schedule, the employer shall arrange for medical surveillance, free of charge, at intervals of not less than once every 6 months or at shorter intervals as the medical practitioner may advise or as the Permanent Secretary may determine. (3) Where a medical practitioner certifies that an employee, subject to health surveillance in accordance with this section, shall not be exposed to a substance hazardous to health, the employer shall not permit that employee to be exposed to that substance, except in accordance with conditions, if any, specified by the medical practitioner.