Indoor occurrence and health risk of formaldehyde, toluene, xylene and total volatile organic compounds derived from an extensive monitoring campaign in Harbin, a megacity of China

Chemosphere
Zi-Feng ZhangWei Sun

Abstract

Human exposure to formaldehyde, toluene, xylene (FTX) and other volatile organic compounds (VOCs) are associated with negative health impact. To characterize the exposure and health effects of FTX and TVOC from indoor environments, we conducted an extensive monitoring campaign involving 1278 measurements of 472 indoor locations in Harbin, a megacity in China from May 2013 to March 2018. The results showed that household had the highest mean formaldehyde concentration (0.171 ± 0.084 mg m-3) among all types of indoor environments. Meanwhile, there was no significant differences in formaldehyde concentration of the living room, master bedroom, secondary bedroom and study room (p > 0.05), as well as toluene and xylene. The highest mean concentration of toluene, xylene and TVOC was measured in public bath center. Great difference was found between formaldehyde concentrations in 2013 and other years, except 2015. There were great positive nonlinear correlations between the indoor temperature and concentration of formaldehyde (p < 0.01), good negative nonlinear correlations between the finish time of decoration and concentration of formaldehyde (p < 0.01), good positive linear correlations between the relative humidity and concentrati...Continue Reading

Citations

Feb 11, 2021·International Journal of Environmental Research and Public Health·Kyle L Alford, Naresh Kumar
Oct 31, 2020·ACS Applied Materials & Interfaces·Peng WuYongcai Qiu
Aug 20, 2021·Journal of Hazardous Materials·Matteo MasiStefano Mancuso
Aug 21, 2021·Journal of Hazardous Materials·Biyuan LiuHaibao Huang

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