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Hutter HP, Wallner P, Moshammer H, et al. Dust and Cobalt Levels in the Austrian Tungsten Industry: Workplace and Human Biomonitoring Data. Int J Environ Res Public Health. 2016;13(9)doi: 10.3390/ijerph13090931.
Hutter, H. P., Wallner, P., Moshammer, H., & Marsh, G. (2016). Dust and Cobalt Levels in the Austrian Tungsten Industry: Workplace and Human Biomonitoring Data. International journal of environmental research and public health, 13(9), . https://doi.org/10.3390/ijerph13090931
Hutter, Hans-Peter, et al. "Dust and Cobalt Levels in the Austrian Tungsten Industry: Workplace and Human Biomonitoring Data." International journal of environmental research and public health vol. 13,9 (2016). doi: https://doi.org/10.3390/ijerph13090931
Hutter HP, Wallner P, Moshammer H, Marsh G. Dust and Cobalt Levels in the Austrian Tungsten Industry: Workplace and Human Biomonitoring Data. Int J Environ Res Public Health. 2016 Sep 21;13(9). doi: 10.3390/ijerph13090931. PMID: 27657104; PMCID: PMC5036763.
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Int J Environ Res Public Health. 2016 Sep 21;13(9). doi: 10.3390/ijerph13090931.

Dust and Cobalt Levels in the Austrian Tungsten Industry: Workplace and Human Biomonitoring Data.

International journal of environmental research and public health

Hans-Peter Hutter, Peter Wallner, Hanns Moshammer, Gary Marsh

Affiliations

  1. Institute of Environmental Health, Center for Public Health, Medical University Vienna, 1090 Vienna, Austria. [email protected].
  2. Medicine and Environmental Protection, 1080 Vienna, Austria. [email protected].
  3. Institute of Environmental Health, Center for Public Health, Medical University Vienna, 1090 Vienna, Austria. [email protected].
  4. Medicine and Environmental Protection, 1080 Vienna, Austria. [email protected].
  5. Institute of Environmental Health, Center for Public Health, Medical University Vienna, 1090 Vienna, Austria. [email protected].
  6. Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, 15261 PA, USA. [email protected].

PMID: 27657104 PMCID: PMC5036763 DOI: 10.3390/ijerph13090931

Abstract

In general, routine industrial hygiene (IH) data are collected not to serve for scientific research but to check for compliance with occupational limit values. In the preparation of an occupational retrospective cohort study it is vital to test the validity of the exposure assessment based on incomplete (temporal coverage, departments) IH data. Existing IH data from a large hard metal plant was collected. Individual workers' exposure per year and department was estimated based on linear regression of log-transformed exposure data for dust, tungsten, and cobalt. Estimated data were back-transformed, and for cobalt the validity of the estimates was confirmed by comparison with individual cobalt concentrations in urine. Air monitoring data were available from 1985 to 2012 and urine tests from the years 2008 to 2014. A declining trend and significant differences among departments was evident for all three air pollutants. The estimated time trend fitted the time trend in urine values well. At 1 mg/m³, cobalt in the air leads to an excretion of approximately 200 µg/L cobalt in urine. Cobalt levels in urine were significantly higher in smokers with an interaction effect between smoking and air concentrations. Exposure estimates of individual workers are generally feasible in the examined plant, although some departments are not documented sufficiently enough. Additional information (expert knowledge) is needed to fill these gaps.

Keywords: biomonitoring; cobalt; hard metal industry; monitoring; tungsten

Conflict of interest statement

All authors declare that there are no competing interests.

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