Ann. occup. Hyg., Vol. 48, No. 3, pp. 197-202, 2004
© 2004 British Occupational Hygiene Society
Published by Oxford University Press
Dermal Exposure to Chromium in the Grinding of Stainless and Acid-proof Steel
Kuopio Regional Institute of Occupational Health, PO Box 93, FIN-70701 Kuopio, Finland
Received 3 February 2003; in final form 24 April 2003
Objectives: The aim of the study was to measure the dermal exposure levels of chromium dust during grinding of stainless and acid-proof steel parts. Methods: The potential dermal exposure of the body was measured with a patch sampling method and the actual exposure of hands with a hand-wash method. Simultaneously, personal air samples were also collected. Results: The range of body and hand exposure to chromium dust was 4.043406 and 0.7279.7 mg/h, respectively. Dust was distributed quite evenly to different body parts. Conclusions: Workers using hand-held grinding tools were more exposed than those using band grinders. It was judged that the sampling methods applied in this study gave a realistic estimation of exposure levels, because of the uniform distribution of contamination during grinding. Respiratory exposure was high compared to Finnish occupational exposure limit values.
Keywords: chromium; dermal exposure; grinding; worker exposure
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