Widespread distribution of phthalic acid esters in indoor and ambient air samples collected from Hanoi, Vietnam

In the present study, distribution characteristics of ten typical phthalic acid esters (PAEs) were investigated in 90 air samples collected from the urban areas in Hanoi, Vietnam from May to August 2022. The total concentrations of PAEs in indoor and ambient air samples were in the range of 320–4770...

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Veröffentlicht in:	Environmental science and pollution research international 2023-05, Vol.30 (22), p.63175-63184
Hauptverfasser:	Nguyen, Anh Viet, Van Vu, Tu, Pham, Chi Linh Thi, Nguyen, Viet Ngoc, Ta, Nguyen Thuy, Hoang, Anh Quoc, Minh, Tu Binh, Tran, Tri Manh
Format:	Artikel
Sprache:	eng
Schlagworte:	Acids Adult air Air sampling Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Child China Dibutyl Phthalate Diethyl phthalate Diethylhexyl Phthalate Dioctyl phthalate Drinking water Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Environmental science Esters Fertility Humans Indoor air quality Indoor environments Inhalation Laboratories n-Butyl phthalate Phthalates Phthalic acid Phthalic Acids Research Article Respiration Statistical analysis United States Environmental Protection Agency Urban areas Vietnam VOCs Volatile organic compounds Waste Water Technology Water Management Water Pollution Control
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Zusammenfassung:	In the present study, distribution characteristics of ten typical phthalic acid esters (PAEs) were investigated in 90 air samples collected from the urban areas in Hanoi, Vietnam from May to August 2022. The total concentrations of PAEs in indoor and ambient air samples were in the range of 320–4770 ng/m 3 and 35.9–133 ng/m 3 , respectively. Total concentrations of PAEs in indoor air were about one order of magnitude higher than those in ambient air. Among PAEs studied, di-(2-ethyl)hexyl phthalate (DEHP) was measured at the highest levels in all air samples, followed by di- n -octyl phthalate (DnOP) and di- n -butyl phthalate (DnBP). The PAEs concentrations in air samples collected from laboratories at nighttime were significantly higher than those during daytime ( p
ISSN:	1614-7499 0944-1344 1614-7499
DOI:	10.1007/s11356-023-26558-5