Passive dosimeters for nitrogen dioxide in personal/indoor air sampling: A review

Chang Ho Yu, Maria T. Morandi, Clifford P. Weisel

Research output: Contribution to journalReview articlepeer-review

40 Scopus citations

Abstract

Accurate measurement of nitrogen dioxide concentrations in both outdoor and indoor environments, including personal exposures, is a fundamental step for linking atmospheric nitrogen dioxide levels to potential health and ecological effects. The measurement has been conducted generally in two ways: active (pumped) sampling and passive (diffusive) sampling. Diffusion samplers, initially developed and used for workplace air monitoring, have been found to be useful and cost-effective alternatives to conventional pumped samplers for monitoring ambient, indoor and personal exposures at the lower concentrations found in environmental settings. Since the 1970s, passive samplers have been deployed for ambient air monitoring in urban and rural sites, and to determine personal and indoor exposure to NO2. This article reviews the development of NO2 passive samplers, the sampling characteristics of passive samplers currently available, and their application in ambient and indoor air monitoring and personal exposure studies. The limitations and advantages of the various passive sampler geometries (i.e., tube, badge, and radial type) are also discussed. This review provides researchers and risk assessors with practical information about NO2 passive samplers, especially useful when designing field sampling strategies for exposure and indoor/outdoor air sampling.

Original languageEnglish (US)
Pages (from-to)441-451
Number of pages11
JournalJournal of Exposure Science and Environmental Epidemiology
Volume18
Issue number5
DOIs
StatePublished - Sep 2008

All Science Journal Classification (ASJC) codes

  • Public Health, Environmental and Occupational Health
  • Pollution
  • Epidemiology
  • Toxicology

Keywords

  • Diffusive sampler
  • Indoor sampling
  • Nitrogen dioxide
  • Passive sampler
  • Personal exposure

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