Detailed Investigation of the Contribution of Gas-Phase Air Contaminants to Exposure Risk during Indoor Activities

Anna L.Hodshire; Ellison Carter; James M.Mattila

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Detailed Investigation of the Contribution of Gas-Phase Air Contaminants to Exposure Risk during Indoor Activities

机译：Detailed Investigation of the Contribution of Gas-Phase Air Contaminants to Exposure Risk during Indoor Activities

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Analytical capabilities in atmospheric chemistry provide new opportunities to investigate indoor air.HOMEChem was a chemically comprehensive indoor field campaign designed to investigate how common activities,such as cooking and cleaning,impacted indoor air in a test home.We combined gas-phase chemical data of all compounds,excluding those with concentrations<1 ppt,with established databases of health effect thresholds to evaluate potential risks associated with gas-phase air contaminants and indoor activities.The chemical composition of indoor air is distinct from outdoor air,with gaseous compounds present at higher levels and greater diversity-and thus greater predicted hazard quotients-indoors than outdoors.Common household activities like cooking and cleaning induce rapid changes in indoor air composition,raising levels of multiple compounds with high risk quotients.The HOMEChem data highlight how strongly human activities influence the air we breathe in the built environment,increasing the health risk associated with exposure to air contaminants.

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《Environmental Science & Technology: ES&T》 |2022年第17期|12148-12157|共10页
作者
Anna L.Hodshire; Ellison Carter; James M.Mattila;
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作者单位

Department of Chemistry,Colorado State University,Fort Collins,Colorado 80S24,United States;

Department of Civil and Environmental Engineering,Colorado State University,Fort Collins,Colorado 80S21,United States;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类环境科学、安全科学;
关键词
indoor air; air pollution; atmospheric chemistry; health risk assessment; household activities;

Detailed Investigation of the Contribution of Gas-Phase Air Contaminants to Exposure Risk during Indoor Activities

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