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실내·외 실시간 모니터링을 활용한 폼알데하이드 및 미세먼지(PM<sub>10</sub>, PM<sub>2.5</sub>)의 거주시간별 노출 및 위해도 평가
윤단기,남궁선주,공혜관,홍형진,임희빈,박시현,이혜원,이정섭,이철민,Yoon, Danki,Namgoung, Sunju,Kong, Hyekwan,Hong, Hyungjin,Lim, Huibeen,Park, Sihyun,Lee, Hyewon,Lee, Jungsub,Lee, Cheolmin 한국환경보건학회 2019 한국환경보건학회지 Vol.45 No.6
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.