First-flush loads of perfluorinated compounds in stormwater runoff from Hayabuchi River basin, Japan served by separated sewerage system
Abstract
Worldwide environmental pollution by perfluorinated compounds (PFCs) has been reported. PFCs have also been reported to have nonpoint sources (NPSs). A fixed-point hourly monitoring in the river was conducted during a storm event using an automatic sampler to estimate the impact of the first-flush of PFCs from NPS in this study. Perfluorocarboxylates (PFCAs) and perfluoroalkyl sulfonates (PFASs) with different chain lengths were monitored. The concentrations of short- to medium-chain-length PFCAs such as PFHpA, PFOA and PFNA, and PFASs such as PFBS, PFPeS, PFHxS, PFHpS and PFOS showed no marked increase with the storm-runoff event. However, in contrast to this, concentrations of long-chain-length PFCAs such as PFDA and PFUnA increased markedly. The concentrations of PFDA and PFUnA increased 3.4 (1.5-5.0 ng L(-1))- and 2.0 (3.3-6.7 ng L(-1))-fold, respectively. This study demonstrates that large loads of long-chain-length PFCAs are discharged to the Hayabuchi River during the first-flush after the rain event.
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Most of these studies focused on a single watercourse with one or two events.
“Further, most of these studies focused on a single watercourse (Meyer et al., 2011; Müller et al., 2011; Zushi et al., 2008; Zushi and Masunaga, 2009) with one (Meyer et al., 2011; Müller et al., 2011) or two (Zushi and Masunaga, 2009) events.”
From Stormwater discharges affect PFAS occurrence, concentrations, and spatial distribution in water and bottom sediment of urban streams (2025) · cites this paper as Zushi and Masunaga, 2009
Similar to the present study, PFUnDA concentrations increased after a rainfall event in Hayabuchi River in Japan.
“Similar to the present study, PFUnDA concentrations increased after a rainfall event in Hayabuchi River in Japan (Zushi and Masunaga, 2009).”
From Stormwater discharges affect PFAS occurrence, concentrations, and spatial distribution in water and bottom sediment of urban streams (2025) · cites this paper as Zushi and Masunaga, 2009
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“Higgins and Luthy (2006) reported that each moiety increases the distribution coefficient by approximately 0.5 - 0.6 log units and that the log Koc values of PFNA and PFUnA were 2.39 ± 0.09 and 3.30 ± 0.09, respectively15.”
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Oxidative Conversion as a Means of Detecting Precursors to Perfluoroalkyl Acids in Urban Runoff
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“…studies carried out in streams passing through urbanized areas, such as Toronto, Canada (Meyer et al., 2011), Yokohama, Japan (Zushi et al., 2008; Zushi and Masunaga, 2009), and areas near Zürich, Switzerland (Müller et al., 2011), reported increased concentrations of PFAS, particularly…”
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Goukeh, M. N., & Alamdari, N. (2024) · Journal of Environmental Engineering · doi:10.1061/joeedu.eeeng-7478 · Cited by 22 · see citing works
Bouarafa, S., Khaska, S., Le Gal La Salle, C., Soukrate, I., Verdoux, P., Lemoine, M., & Côme, J.-M. (2026) · Water Research · doi:10.1016/j.watres.2026.126142 · Cited by 3 · see citing works
- Authors
- Zushi, Y., & Masunaga, S.
- Affiliations
- Yokohama National University (JP)
- Corresponding author
- Zushi, Yasuyuki
- Venue
- Chemosphere
- Publisher
- Elsevier BV
- Published
- 2009-08
- Volume
- 76
- Issue
- 6
- Pages
- 833-840
- ISSN
- 0045-6535 (ISSN-L)
- OpenAlex
- W2020767395
- Cited by
- 75
- References
- 5
- Citations by year
- 2026: 5 · 2025: 8 · 2024: 7 · 2023: 4 · 2022: 3 · 2021: 6 · 2020: 5 · 2019: 1 · 2018: 1 · 2017: 3 · 2016: 3 · 2015: 2 · 2014: 3 · 2013: 3 · 2012: 5
- FWCI
- 5.08
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Chemosphere (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Environmental Chemistry › Per- and polyfluoroalkyl substances research
- Physical Sciences › Environmental Science › Environmental Engineering › Urban Stormwater Management Solutions
- Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
- Keywords
- perfluorinated compounds, first flush, stormwater runoff, non-point source pollution, perfluorocarboxylic acids, perfluoroalkyl sulfonates, perfluorodecanoic acid, PFOS, perfluoropolyether, PFBS
- MeSH terms
- Alkanesulfonates, Drainage, Sanitary, Environmental Monitoring, Fluorocarbons, Japan, Rain, Sewage, Water Pollutants, Chemical, Rivers
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