Workplace Health

  • Safety – usually associated with acute injuries, short-term, traumatic exposures

  • Health – usually directed at chronic exposures, persistent, prolonged, repeated


Industrial Hygiene – "that science and art devoted to the anticipation, recognition, evaluation, and control of those environmental factors or stresses, arising in or from the workplace, which may cause sickness, impaired health and wellbeing, or significant discomfort, and inefficiency among workers or among the citizens of the community"

Environmental Stresses

  • Chemical – environmental concentrations

  • Physical – noise, heat, ionizing, etc.

  • Ergonomic – man-machine interface

  • Biological – micro living organisms

  • States of Matter

  • Solids – definite shape and volume

  • Liquids – definite volume but no definite shape

  • Gases – neither definite volume nor shape

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