Employers may need to arrange for employees exposed to metal working fluid (MWF) mist and vapour to be placed under health surveillance. Health surveillance is collecting and using information about workers’ health, related to their work.
Where there is the potential for workers to regularly inhale MWF mist and vapour, and there is a reasonable likelihood that asthma may develop, health surveillance may be required.
Health surveillance may include:
Health questionnaires are used to assess workers’ respiratory health before they start employment. At appropriate intervals, as recommended by a health professional, questionnaires should also be used to assess worker health during their employment.
All questionnaires should be completed by a responsible person and further advice will likely be required from an occupational health provider.
In addition to questionnaires, a lung function test may also be performed to help to assess a worker’s lung health.
Further information in relation to health surveillance is contained within COSHH essential general guidance G402 Health Surveillance for occupational asthma.
Decisions on the appropriate form of health surveillance should be taken on advice from an occupational health provider. The precise form of health surveillance will depend on the particular circumstances of exposure (level, frequency and duration) identified by the risk assessment.
Employees should always cooperate with their employer or works doctor/nurse if health surveillance is required.
Health surveillance is never an alternative to the proper control of exposure. It is not the same as health screening or health promotion.
More information about choosing an occupational health provider is available by reading Tips for purchasing occupational health services.
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