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DOI: https://doi.org/10.4491/eer.2018.005
Distribution of brominated flame retardants and phthalate esters in house dust in Korea
Deok-Jun Kweon, Moon-Kyung Kim, and Kyung-Duk Zoh
Department of Environmental Health Sciences, School of Public Health, Seoul National University, Seoul 08826, Republic of Korea
Corresponding Author: Kyung-Duk Zoh ,Tel: 82-2-880-2737 , Fax: 82-2-762-2888, Email: zohkd@snu.ac.kr
Received: January 2, 2018;  Accepted: March 2, 2018.
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We examined the levels of brominated flame-retardants (BFRs) including polybrominateddiphenyl ethers (PBDEs), tetrabromobisphenol-A (TBBPA), hexabromocyclododecane (HBCD), and phthalates in indoor dusts in residential houses in Korea, and their distribution patterns depending on building characteristics. Mean concentrations of phthalate esters (1,825 μg g-1) were significantly higher than that of BFRs (PBDE: 1,332 ng g-1, HBCDs: 459 ng g-1, and TBBPA: 213 ng g-1), indicating more frequent use of phthalate-containing products such as PVC flooring in the Korean houses. PVC flooring house was associated with higher concentrations of DEHP (p = 0.001) and BBP (p = 0.012), indicating that exposure to phthalate was higher in the PVC flooring house. Building age was significantly related with levels of PBDEs especially BDE-47 (p = 0.062), BDE-203 (p = 0.007), DEHP (p = 0.004), and BBP (p = 0.070), respectively, indicating that older buildings can produce higher amounts of PBDEs and phthalates. Our study can provide important information on the sources of BFRs and phthalates in residential houses in Korea.
Keywords: Construction age | DEHP | House dust | PBDE | Phthalates | PVC flooring
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