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Original Article

J Environ Health Sci. 2007; 33(4): 242-249

Published online August 30, 2007

Copyright © The Korean Society of Environmental Health.

Health Risk Assessment by Potential Exposure of NO2 and VOCs in Apartments

공동주택내 이산화질소(NO2) 및 휘발성유기화합물(VOCs) 노출에 따른 건강 위해성 평가

Soon Won Jung, Won Ho Yang, Bu Soon Son

정순원, 양원호, 손부순

Abstract

Indoor air quality has become a topic of interest and concern. Especially changes in construction design and the increased use of synthetic products may result in an increasing of complaints and health effects about the quality of indoor air at home. In this study, nitrogen dioxide(NO2) and volatile organic compounds(VOCs) within new and established apartments on the basis of 4 years of building year were measured every 3 days consecutively during 60 days. We selected each 10 house in Seoul, Asan and Daegu, respectively, and produced risk numbers for hazard quotients, and predicted increases in incidence of cancer. The calculations were made for the adult with default exposure values and also made for a worst case scenario using Monte-Carlo simulation as describing the reasonable exposure(RME). Mean of Monte carlo analysis by benzene, in the construction under 4 years (male: 9.2×10-5, female: 1.0×10-4) and over 4 years (male: 6.8×10-5, female: 8.3×10-5) exceeded 10-6 of permitted standards in US EPA, RME of Monte carlo analysis. In construction under 4 years (male: 9.9×10-3, female: 9.6×10-3) and over 4 years (male: 9.8×10-3, female: 7.8×10-3) exceeded 10-4 of maximum permitted standards in US EPA. The hazard index of non-carcinogenic pollutants by nitrogen dioxide, toluene, m,p-xylene and o-xylene, both male and female in apartment constructed under 4 years and over 4 years was found less than the permitted standards of hazardous health effects in CTE. Significant cancer risks and non-cancer hazard quotients were predicted in under 4 years of building year.

Keywordsindoor air quality, risk assessment, volatile organic compounds, nitrogen dioxide

The Korean Society of Environmental Health

Vol.48 No.5
October, 2022

pISSN 1738-4087
eISSN 2233-8616

Frequency: Bimonthly

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