Occurrence of Ultrashort-Chain PFASs in Australian Environmental Water Samples

被引:1
作者
Gorji, Sara Ghorbani [1 ]
Mackie, Rachel [1 ]
Prasad, Pritesh [1 ]
Knight, Emma R. [1 ,2 ]
Qu, Xuan [1 ]
Vardy, Suzanne [3 ]
Bowles, Karl [1 ,4 ]
Higgins, Christopher P. [1 ,5 ]
Thomas, Kevin V. [1 ]
Kaserzon, Sarit L. [1 ,6 ]
机构
[1] Univ Queensland, Queensland Alliance Environm Hlth Sci QAEHS, Woolloongabba, Qld 4102, Australia
[2] Norwegian Inst Water Res NIVA, N-0579 Oslo, Norway
[3] Queensland Govt, Dept Environm & Sci, Water Ecosyst Sci Sci Div, Water Qual & Invest, Dutton Pk, Qld 4102, Australia
[4] Jacobs, North Sydney, NSW 2060, Australia
[5] Colorado Sch Mines, Dept Civil & Environm Engn, Golden, CO 80401 USA
[6] Queensland Hlth, Queensland Publ Hlth & Sci Serv Div, Herston, Qld 4006, Australia
来源
ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS | 2024年 / 11卷 / 12期
关键词
Nontarget analysis; High resolution mass spectrometry; Ground water; Drinking water; Wastewater; Passive sampling; FILM-FORMING FOAMS; POLYFLUOROALKYL SUBSTANCES; PERFLUOROALKYL SUBSTANCES; FLUORINATED ALTERNATIVES; DISCOVERY; CHEMICALS; CONTAMINANTS; IMPACT; ACIDS; FATE;
D O I
10.1021/acs.estlett.4c00750
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Ultrashort-chain per- and polyfluoroalkyl substances (PFASs) are an emerging class of contaminants that remain underexplored in environmental research. This study examines their distribution in Australian drinking tap water, environmental waters, and wastewaters (n = 63) using nontarget analysis via high-resolution mass spectrometry. Thirteen ultrashort-chain PFASs were identified, including novel compounds such as perfluoroalkane sulfinate (PFPSi), hydrogen-substituted perfluoroalkyl carboxylate (H-PFCA), chloro-perfluoroalkanesulfonate (Cl-PFSA), and bis-perfluoroalkyl sulfonamide (bis-FASIs). Perfluoropropanesulfonic acid (PFPrS) was the most prevalent, detected in 83% of surface, groundwater, and wastewater samples, and in 67% of tap water samples from major Australian cities. Concentrations of PFPrS and perfluoroethanesulfonic acid (PFEtS) ranged from <0.02 to 8000 ng/L. Ultrashort-chain perfluoroalkane sulfonamides (FASAs) and perfluoroalkane sulfates (PFA-OS) were predominantly found in wastewater. These findings highlight the widespread presence of ultrashort-chain PFASs in Australian water systems and underscore the need for ongoing monitoring and research due to their potential ecological and human health impacts. This study provides essential baseline data that could inform future regulatory measures and environmental management strategies.
引用
收藏
页码:1362 / 1369
页数:8
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