1 min readIndustrial HygieneRobert E. LewisWeb Community ManagerFeb 24, 2015 Image Article An Industrial Hygienist conducts a fit test on a respirator user in the Occupational Health Office An Industrial Hygienist conducts a fit test on a respirator user in the Occupational Health Office Share Details Last Updated Aug 29, 2023 EditorRobert E. Lewis Related TermsHuman Health and Performance