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Quantifying the Distribution of Inhalation Exposure in Human Populations: 2. Distributions of Time Spent by Adults, Adolescents, and Children at Home, at Work, and at School

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  • Lisa M. Funk
  • Richard Sedman
  • Jill A. J. Beals
  • Robert Fountain

Abstract

Using distributions of time spent at various ventilation levels, ranges of inhalation exposure in the population can be established. Distributions of exposure time were determined using results of a study by the California Air Resources Board (CARB) which focused on time spent by humans participating in various activities and the locations where the activities occurred. The daily at‐home activities from the CARB study were assigned to one of three ventilation levels, generating aggregate time periods. Distinct age and gender populations were identified, and distributions for aggregate time were established for these populations at each of the ventilation levels. In addition to aggregate time spent at home, distributions for various ages and genders were established for aggregate time spent at school and work. By combining distributions of aggregate time with corresponding ventilation rates, the distribution of inhalation rates can be established for at home, at work, and at school exposures.

Suggested Citation

  • Lisa M. Funk & Richard Sedman & Jill A. J. Beals & Robert Fountain, 1998. "Quantifying the Distribution of Inhalation Exposure in Human Populations: 2. Distributions of Time Spent by Adults, Adolescents, and Children at Home, at Work, and at School," Risk Analysis, John Wiley & Sons, vol. 18(1), pages 47-56, February.
    • Handle: RePEc:wly:riskan:v:18:y:1998:i:1:p:47-56
    DOI: 10.1111/j.1539-6924.1998.tb00915.x
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    References listed on IDEAS

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    Cited by:

    1. Barbara L. Harper & Brian Flett & Stuart Harris & Corn Abeyta & Fred Kirschner, 2003. "Response to Letter to the Editor," Risk Analysis, John Wiley & Sons, vol. 23(5), pages 861-864, October.

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