Effect of time-activity adjustment on exposure assessment for traffic-related ultrafine particles

  title={Effect of time-activity adjustment on exposure assessment for traffic-related ultrafine particles},
  author={Kevin J. Lane and J Levy and Madeleine Kangsen Scammell and Allison P Patton and John L Durant and Mkaya Mwamburi and Wig Zamore and Doug Brugge},
  booktitle={Journal of Exposure Science and Environmental Epidemiology},
Exposures to ultrafine particles (<100 nm, estimated as particle number concentration, PNC) differ from ambient concentrations because of the spatial and temporal variability of both PNC and people. Our goal was to evaluate the influence of time-activity adjustment on exposure assignment and associations with blood biomarkers for a near-highway population. A regression model based on mobile monitoring and spatial and temporal variables was used to generate hourly ambient residential PNC for a… CONTINUE READING
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