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Atmosphere
Volume 10
Issue 7
10.3390/atmos10070380
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Article

Indoor and Outdoor Exposure to Volatile Organic Compounds and Health Risk Assessment in Residents Living near an Optoelectronics Industrial Park

by
Ta-Yuan Chang
1,*,
Chin-Lin Liu
1,
Kuei-Hung Huang
1 and
Hsien-Wen Kuo
2
1
Department of Occupational Safety and Health, College of Public Health, China Medical University, No. 91, Hsueh-Shih Road, Taichung 40402, Taiwan
2
Institute of Environmental and Occupational Health Sciences, School of Medicine, National Yang-Ming University, No.155, Sec.2, Linong Street, Taipei 11221, Taiwan
*
Author to whom correspondence should be addressed.
Atmosphere 2019, 10(7), 380; https://doi.org/10.3390/atmos10070380
Received: 30 May 2019 / Revised: 30 June 2019 / Accepted: 5 July 2019 / Published: 8 July 2019
(This article belongs to the Special Issue Impacts of Indoor Air Pollution on Cardiopulmonary System)
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Abstract

This study aimed to determine indoor and outdoor levels of volatile organic compounds (VOCs) and to assess potential risks among residents living in the vicinity of an optoelectronics industrial park in 2006–2007. We used steel canisters to collect 72 indoor samples and 80 outdoor samples over 24 h. Gas chromatography with a mass-selective detector was used for qualitative and quantitative analyses. The amounts of time residents spent doing activities in different microenvironments were determined by the self-administered questionnaire. The chronic hazard index (HIc) and cancer risk were applied to assess the non-carcinogenic and carcinogenic risks of VOCs among residents. Four VOCs of ethanol (indoor: 77.8 ± 92.8 μg/m3; outdoor: 26.8 ± 49.6 μg/m3), toluene (67.0 ± 36.7 μg/m3; 56.9 ± 19.0 μg/m3), m/p-xylene (50.8 ± 66.1 μg/m3; 21.2 ± 20.3 μg/m3), and acetone (37.7 ± 27.5 μg/m3; 25.8 ± 9.8 μg/m3) were identified as dominant components in both the indoor and outdoor environments. Total VOCs and six VOCs of benzene, toluene, ethylbenzene, m/p-xylene, o-xylene, and ethanol in indoor sites were significantly higher than those in outdoor sites (all p-values < 0.05). All estimated HIc values were less than unity and the cancer risk of benzene exposure was 1.8 × 10−4 (range: 9.3 × 10−5 to 3.4 × 10−4) based on resident time-weighted patterns. Strategies to reduce benzene exposure should be implemented to protect public health. View Full-Text
Keywords: exposure assessment; health risk assessment; indoor air; optoelectronics industrial park; volatile organic compounds exposure assessment; health risk assessment; indoor air; optoelectronics industrial park; volatile organic compounds
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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MDPI and ACS Style

Chang, T.-Y.; Liu, C.-L.; Huang, K.-H.; Kuo, H.-W. Indoor and Outdoor Exposure to Volatile Organic Compounds and Health Risk Assessment in Residents Living near an Optoelectronics Industrial Park. Atmosphere 2019, 10, 380. https://doi.org/10.3390/atmos10070380

AMA Style

Chang T-Y, Liu C-L, Huang K-H, Kuo H-W. Indoor and Outdoor Exposure to Volatile Organic Compounds and Health Risk Assessment in Residents Living near an Optoelectronics Industrial Park. Atmosphere. 2019; 10(7):380. https://doi.org/10.3390/atmos10070380

Chicago/Turabian Style

Chang, Ta-Yuan, Chin-Lin Liu, Kuei-Hung Huang, and Hsien-Wen Kuo. 2019. "Indoor and Outdoor Exposure to Volatile Organic Compounds and Health Risk Assessment in Residents Living near an Optoelectronics Industrial Park" Atmosphere 10, no. 7: 380. https://doi.org/10.3390/atmos10070380

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