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http://dx.doi.org/10.5668/JEHS.2019.45.6.646

Assessment of Exposure to and Risk of Formaldehyde and Particulate Matter (PM10 and PM2.5) by Time Activity Applying Real-Time Indoor and Outdoor Monitoring  

Yoon, Danki (Department of Nano and Biological Engineering, Seokyeong University)
Namgoung, Sunju (Institute of Risk Assessment, Seokyeong University)
Kong, Hyekwan (Department of Nano and Biological Engineering, Seokyeong University)
Hong, Hyungjin (Department of Nano and Biological Engineering, Seokyeong University)
Lim, Huibeen (Department of Chemical and Biological Engineering, Seokyeong University)
Park, Sihyun (Institute of Risk Assessment, Seokyeong University)
Lee, Hyewon (Institute of Risk Assessment, Seokyeong University)
Lee, Jungsub (Indoor Environment and Noise Research Division, National Institute of Environment Research)
Lee, Cheolmin (Department of Chemical and Biological Engineering, Seokyeong University)
Publication Information
Journal of Environmental Health Sciences / v.45, no.6, 2019 , pp. 646-657 More about this Journal
Abstract
Objectives: The purpose of this study was to suggest methods to investigate continuous monitoring of concentration levels and assess the exposure of individuals considering the actual time activity of residents for formaldehyde and particulate matter (PM10, PM2.5) in the indoor and outdoor air of a house, assess the health risks of children and adults based on the results of the exposure assessment, and provide basic data on studies for assessing exposure and health risks in Korea in the future. Methods: The concentration levels of formaldehyde and particulate matter were measured in a family home in Gyeonggi-do Province from April 25 to July 31, 2019, using electrochemical sensors (formaldehyde) and light scattering sensors (PM10, PM2.5). Risk assessment by the duration of exposure by time activity was performed by dividing between weekdays and weekends, and indoors and outdoors. Results: The greatest level of carcinogenic risk from inhaling formaldehyde was indoors during the weekdays for both children and adults. For children, the risk was at 7.5 per approximately 10,000 people, and for adults, the risk was at 4.1 per approximately 10,000 people. PM10 and PM2.5 also showed the greatest values indoors during the weekdays, with children at 1.7 people and 1.4 per approximately 100 people, respectively, and adults at 8.2 per approximately 1,000 and 1.8 per approximately 100 people, respectively. Conclusions: The risks of formaldehyde, PM10 and PM2.5 were shown to be high indoors. Therefore, consideration of exposure assesment for each indoor pollutant and management of indoor air quality is necessary.
Keywords
Formaldehyde; indoor air; particulate matter ($PM_{10}$, $PM_{2.5}$); risk assessment; time activity;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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