Origin, occurrence, and source emission rate of acrolein in residential indoor air

Vincent Y. Seaman, Deborah H. Bennett, Thomas Cahill

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Acrolein, a volatile, unsaturated aldehyde, is a known respiratory toxicant and one of the 188 most hazardous air pollutants identified by the U.S. EPA. A newly developed analytical method was used to determine residential indoor air concentrations of acrolein and other volatile aldehydes in nine homes located in three California counties (Los Angeles, Placer, Yolo). Average indoor air concentrations of acrolein were an order of magnitude higher than outdoor concentrations at the same time. All homes showed similar diurnal patterns in indoor air concentrations, with acrolein levels in evening samples up to 2.5 times higher than morning samples. These increases were strongly correlated with temperature and cooking events, and homes with frequent, regular cooking activity had the highest baseline (morning) acrolein levels. High acrolein concentrations were also found in newly built, uninhabited homes and in emissions from lumber commonly used in home construction, suggesting indoor contributionsfrom off-gassing and/or secondary formation. The results provide strong evidence that human exposure to acrolein is dominated by indoor air with little contribution from ambient outdoor air.

Original languageEnglish (US)
Pages (from-to)6940-6946
Number of pages7
JournalEnvironmental Science and Technology
Volume41
Issue number20
DOIs
StatePublished - Oct 15 2007

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Acrolein
indoor air
aldehyde
Air
Cooking
Aldehydes
Placers
analytical method
Lumber
Air Pollutants
rate
emission source
air
temperature

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Science(all)
  • Environmental Chemistry

Cite this

Origin, occurrence, and source emission rate of acrolein in residential indoor air. / Seaman, Vincent Y.; Bennett, Deborah H.; Cahill, Thomas.

In: Environmental Science and Technology, Vol. 41, No. 20, 15.10.2007, p. 6940-6946.

Research output: Contribution to journalArticle

Seaman, Vincent Y. ; Bennett, Deborah H. ; Cahill, Thomas. / Origin, occurrence, and source emission rate of acrolein in residential indoor air. In: Environmental Science and Technology. 2007 ; Vol. 41, No. 20. pp. 6940-6946.
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