Comparison, association, and risk assessment of phthalates in floor dust at different indoor environments in Delaware, USA

Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
Xiaolong BiQiquan Wang

Abstract

This study aimed to compare and assess phthalate contamination in various indoor environments. In this study, 44 floor dust samples from different indoor environments in Delaware, USA were collected and analyzed for 14 phthalates using gas chromatography-mass spectrometry. Phthalates were detected in all dust samples with the total concentration ranging from 84 to 7117 mg kg(-1). DEHP (di-2-ethylhexyl phthalate), BzBP (benzylbutyl phthalate), DBP (dibutyl phthalate), and DiBP (di-isobutyl phthalate) were both the most frequently and abundantly detected phthalates. The average concentration of total phthalates in dust from offices, student dorms, gyms, stores, and daycare centers was found to be significantly or insignificantly (P = 0.05) higher than that in dust from houses and apartments. Plastic flooring materials and the application of floor care chemical products were positively associated with total phthalate concentration in floor dust. Toxicological risk assessment indicated that an investigated daycare center in this study was the only indoor environment that may cause the intake amount of DEHP of infants, toddlers, and children via dust ingestion to exceed the reference dose established by the U.S. Environmental Protec...Continue Reading

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Citations

Jun 18, 2016·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Mengtao ZhangJibiao Zhang
Jul 13, 2019·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Kamonwan PromtesShigeki Takemura
Nov 24, 2019·Environmental Science and Pollution Research International·Bilgehan BaşaranMihriban Yılmaz Civan
Nov 29, 2020·Bulletin of Environmental Contamination and Toxicology·Shen Xu, Chao Li
Mar 17, 2021·Environmental Science and Pollution Research International·Meinan QuSijia Li
Jul 14, 2021·Environmental Science and Pollution Research International·Chien-Che HungLih-Ming Yiin
Jun 17, 2020·Environmental Science & Technology·Congqiao YangMiriam L Diamond
Oct 4, 2021·Environmental Science and Pollution Research International·Anh Quoc HoangTri Manh Tran

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