Assessment and grouping of occupational magnetic field exposure in five electric utility companies

Details

• Personal Author:
  Iriye R ; Kleckner RC ; Kromhout H ; Loomis DP ; Mihlan GJ ; Peipins LA ; Savitz DA
• Description:
  Magnetic field exposures were assessed among electric utility workers at five electric utility companies. The workers were randomly selected from 28 job categories which involved exposures to 60 hertz magnetic fields. The average exposures ranged from 0.11 and 1.50 microteslas (microT). Magnetic field exposures for each worker were measured by a personal magnetic field exposure meter. Data were analyzed by a random effects analysis of variance model. Different groupings were made on the basis of estimated exposure level, occupational category, company, and possible combinations of the variables and compared. Differences in exposure levels among the five companies were small, with the more urban companies having slightly higher exposure levels. The day to day component of variance was higher than the within and between group components of variance. The final job exposure matrix consisted of five groups with average exposure levels ranging from 0.12 to 1.27microT. The authors conclude that the job exposure matrix used in this study effectively incorporated the differences in exposure within occupational categories between companies and provided an objective and statistically based method for estimating cumulative magnetic field exposure. They note that whether the optimal grouping of magnetic field exposure will yield groups of workers with distinctly different levels of cumulative exposure will depend on the distribution of person years spent in the different occupational categories. [Description provided by NIOSH]
• Subjects:
  Electricity Electromagnetic Phenomena Epidemiology Magnetic Fields Occupational Exposure Occupational Health Risk Assessment Safety
• Keywords:
  Author Keywords: Exposure Assessment Electrical-workers Electromagnetic-fields Exposure-levels Magnetic-fields Magnetic Field Exposure Levels Misclassification NIOSH-Author Occupational-exposure Occupational Exposure. Precision Resolution Risk-analysis

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• ISSN:
  0355-3140
• Document Type:
  Text
• Genre:
  Journal Article
• Place as Subject:
  California ; North Carolina ; Ohio ; OSHA Region 4 ; OSHA Region 5 ; OSHA Region 9
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  DSHEFS - Division of Surveillance, Hazard Evaluations, and Field Studies
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  43-50
• Volume:
  21
• Issue:
  1
• NIOSHTIC Number:
  nn:00226694
• Citation:
  Scand J Work Environ Health 1995 Feb; 21(1):43-50
• Contact Point Address:
  Dr Hans Kromhout, Department of Air Quality, Wageningen Agricultural University, PO Box 8129, 6700 EV Wageningen, The Netherlands
• Federal Fiscal Year:
  1995
• Peer Reviewed:
  True
• Source Full Name:
  Scandinavian Journal of Work, Environment & Health
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:114f10f7057e26d49a59caea3159a487a6e938cb5edee5598396c0690e94cfbb60bd6bbd545842dea7b80772963274e3b41dcba4c9a58f9ca7bae5b5cb64773c
• Download URL:
  https://stacks.cdc.gov/view/cdc/204197/cdc_204197_DS1.pdf
• File Type:
  [PDF - 607.60 KB ]