Estimation of Personal Exposures to Particulate Matter and Metals in Boiler Overhaul Work

Details

• Personal Author:
  Christiani, David C. ; Hauser R ; Herrick, Robert F. ; Liu Y ; Smith, Thomas J. ; Williams PL ; Woodin MA
• Description:
  Objective: We sought to develop an algorithm and estimate unmeasured exposures to particulate matter (PM) and metals in an epidemiologic study of boilermakers. Methods: The algorithm was based on limited measurements and workers' task and time activity patterns. Half of the measurements were used to develop exposure estimates for unmeasured person days. The other half was used for method validation. Results: The validation demonstrated good approximations of actual exposures with differences less than 5% for PM and vanadium (V). Average estimated exposures to PM (mg/m3) and V (ug/m3) were significantly higher for workers doing boiler repair than utility work (0.36 vs. 0.09 for PM and 5.99 vs. 0.38 for V). Conclusions: This algorithm provided reasonably accurate exposure indices for our epidemiologic study in this population. It also is likely applicable to similar exposure scenarios in other studies. [Description provided by NIOSH]
• Subjects:
  Asthma Environmental Exposure Epidemiology Hazardous Substances Lung Diseases Metals Nitrogen Dioxide Occupational Health Ozone Particulate Matter Respiratory System Respiratory Tract Diseases Risk Assessment Risk Factors Safety Vanadium Welding

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• Keywords:
  Algorithms Bronchial Asthma Exposure Levels Nitrogen Dioxide Particulates Pulmonary Edema Pulmonary System Disorders Respiratory System Disorders Risk Factors Task Performance Toxins

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• ISSN:
  1076-2752
• Document Type:
  Text
• Funding:
  Grant
• Genre:
  Journal Article
• Place as Subject:
  Connecticut ; Massachusetts ; OSHA Region 1
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  68-78
• Volume:
  47
• Issue:
  1
• NIOSHTIC Number:
  nn:20057616
• Citation:
  J Occup Environ Med 2005 Jan; 47(1):68-78
• Contact Point Address:
  Youcheng Liu, MD, ScD, Yale Occupational and Environmental Medicine Program, 135 College Street, New Haven, CT 06510
• Email:
  youcheng.liu@yale.edu
• CAS Registry Number:
  Nitrogen dioxide (CAS RN 10102-44-0) ; Vanadium (CAS RN 7440-62-2)
• Federal Fiscal Year:
  2005
• Performing Organization:
  Harvard School of Public Health
• Peer Reviewed:
  True
• Start Date:
  20030701
• Source Full Name:
  Journal of Occupational and Environmental Medicine
• End Date:
  20050630
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:b832650230641d526844bbacedf866e8ca2419ac43ef48cc6583a50e45390e7c6e9103b231e02030c5192934e614fa387e923f42a172ce6c5a64f56628a6cb21
• Download URL:
  https://stacks.cdc.gov/view/cdc/214889/cdc_214889_DS1.pdf
• File Type:
  [PDF - 453.63 KB ]