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Occurrence, size-fractionated distribution, and human exposure risks of organic ultraviolet absorbers in urban road dust across China.

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Τίτλος: Occurrence, size-fractionated distribution, and human exposure risks of organic ultraviolet absorbers in urban road dust across China.
Συγγραφείς: Wang R; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: wangruiqiang2023@163.com., Xi N; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: xinannan0729@163.com., Lv P; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: 15737337461@163.com., Zhang C; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: Zhangchc827@163.com., Guo S; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: guoshj502@163.com., Zhang F; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: zhangfei@stu.htu.edu.cn., Feng J; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: fengjinglan@htu.edu.cn., Sun J; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: sunjhhj@163.com., Su X; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: xfsu8008@126.com.
Πηγή: Environmental pollution (Barking, Essex : 1987) [Environ Pollut] 2026 Sep 15; Vol. 405, pp. 128495. Date of Electronic Publication: 2026 Jun 03.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Elsevier Applied Science Publishers Country of Publication: England NLM ID: 8804476 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-6424 (Electronic) Linking ISSN: 02697491 NLM ISO Abbreviation: Environ Pollut Subsets: MEDLINE
Imprint Name(s): Original Publication: Barking, Essex, England : Elsevier Applied Science Publishers, c1987-
Ιατρικοί όροι (MeSH): Automobiles*/statistics & numerical data , Dust*/analysis , Environmental Exposure*/statistics & numerical data , Environmental Pollutants*/analysis , Environmental Pollution*/statistics & numerical data , Sunscreening Agents*/analysis, Triazoles/analysis ; China ; Humans ; Particle Size ; Risk Assessment ; Child ; Adult
Περίληψη: Organic ultraviolet absorbers (OUVAs), encompassing both UV absorbers and stabilizers, have attracted increasing attention owing to their widespread environmental occurrence and potential risks to ecosystems and human health. Road dust serves as a major environmental reservoir of these compounds. However, the role of particle size in governing their distribution and human exposure remains poorly characterized. This study examined the contamination profiles, size-fractionated distribution, possible sources, and human exposure risks of OUVAs in road dust across China. The 16 target OUVAs were widely detected, with total concentrations ranging from 3.00 to 415 ng/g. Notably, OUVAs preferentially accumulated in the fine fractions of road dust. 5-methyl-1H-benzotriazole and benzophenone-3 were identified as the dominant congeners, with compositional profiles remaining similar across particle size fractions. Principal component analysis suggested that the OUVAs in urban road dust were likely associated with traffic-related emissions, the use of personal care products and domestic sources. The estimated daily intakes via dermal absorption and ingestion were below the corresponding reference doses, indicating low non-carcinogenic risks via these two pathways. Road dust nonetheless remains a non-negligible exposure medium, particularly for children. These findings provide a nationwide baseline dataset predating recent international regulatory actions, thereby providing critical scientific support for the development of future targeted monitoring programs and mitigation strategies for OUVAs in urban environments.
(Copyright © 2026 Elsevier Ltd. All rights reserved.)
Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Contributed Indexing: Keywords: Benzophenone derivatives; Benzotriazole ultraviolet stabilizers; Non-carcinogenic risks; Road dust; Size-fractionated distribution
Substance Nomenclature: 0 (Dust)
0 (Environmental Pollutants)
0 (Sunscreening Agents)
0 (Triazoles)
86110UXM5Y (benzotriazole)
Entry Date(s): Date Created: 20260604 Date Completed: 20260824 Latest Revision: 20260824
Update Code: 20260825
DOI: 10.1016/j.envpol.2026.128495
PMID: 42242537
Βάση Δεδομένων: MEDLINE
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  Data: Occurrence, size-fractionated distribution, and human exposure risks of organic ultraviolet absorbers in urban road dust across China.
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  Data: <searchLink fieldCode="AU" term="%22Wang+R%22">Wang R</searchLink>; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: wangruiqiang2023@163.com.<br /><searchLink fieldCode="AU" term="%22Xi+N%22">Xi N</searchLink>; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: xinannan0729@163.com.<br /><searchLink fieldCode="AU" term="%22Lv+P%22">Lv P</searchLink>; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: 15737337461@163.com.<br /><searchLink fieldCode="AU" term="%22Zhang+C%22">Zhang C</searchLink>; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: Zhangchc827@163.com.<br /><searchLink fieldCode="AU" term="%22Guo+S%22">Guo S</searchLink>; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: guoshj502@163.com.<br /><searchLink fieldCode="AU" term="%22Zhang+F%22">Zhang F</searchLink>; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: zhangfei@stu.htu.edu.cn.<br /><searchLink fieldCode="AU" term="%22Feng+J%22">Feng J</searchLink>; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: fengjinglan@htu.edu.cn.<br /><searchLink fieldCode="AU" term="%22Sun+J%22">Sun J</searchLink>; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: sunjhhj@163.com.<br /><searchLink fieldCode="AU" term="%22Su+X%22">Su X</searchLink>; School of Environment, Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory of Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, Henan Normal University, Xinxiang, 453007, China. Electronic address: xfsu8008@126.com.
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  Data: <searchLink fieldCode="JN" term="%228804476%22">Environmental pollution (Barking, Essex : 1987)</searchLink> [Environ Pollut] 2026 Sep 15; Vol. 405, pp. 128495. <i>Date of Electronic Publication: </i>2026 Jun 03.
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  Data: <i>Publisher: </i><searchLink fieldCode="PB" term="%22Elsevier+Applied+Science+Publishers%22">Elsevier Applied Science Publishers </searchLink><i>Country of Publication: </i>England <i>NLM ID: </i>8804476 <i>Publication Model: </i>Print-Electronic <i>Cited Medium: </i>Internet <i>ISSN: </i>1873-6424 (Electronic) <i>Linking ISSN: </i><searchLink fieldCode="IS" term="%2202697491%22">02697491 </searchLink><i>NLM ISO Abbreviation: </i>Environ Pollut <i>Subsets: </i>MEDLINE
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  Data: <searchLink fieldCode="MM" term="%22Automobiles%22">Automobiles*</searchLink>/<searchLink fieldCode="MM" term="%22Automobiles+statistics+%26+numerical+data%22">statistics & numerical data</searchLink> <br /><searchLink fieldCode="MM" term="%22Dust%22">Dust*</searchLink>/<searchLink fieldCode="MM" term="%22Dust+analysis%22">analysis</searchLink> <br /><searchLink fieldCode="MM" term="%22Environmental+Exposure%22">Environmental Exposure*</searchLink>/<searchLink fieldCode="MM" term="%22Environmental+Exposure+statistics+%26+numerical+data%22">statistics & numerical data</searchLink> <br /><searchLink fieldCode="MM" term="%22Environmental+Pollutants%22">Environmental Pollutants*</searchLink>/<searchLink fieldCode="MM" term="%22Environmental+Pollutants+analysis%22">analysis</searchLink> <br /><searchLink fieldCode="MM" term="%22Environmental+Pollution%22">Environmental Pollution*</searchLink>/<searchLink fieldCode="MM" term="%22Environmental+Pollution+statistics+%26+numerical+data%22">statistics & numerical data</searchLink> <br /><searchLink fieldCode="MM" term="%22Sunscreening+Agents%22">Sunscreening Agents*</searchLink>/<searchLink fieldCode="MM" term="%22Sunscreening+Agents+analysis%22">analysis</searchLink><br /><searchLink fieldCode="MH" term="%22Triazoles%22">Triazoles</searchLink>/<searchLink fieldCode="MH" term="%22Triazoles+analysis%22">analysis</searchLink> ; <searchLink fieldCode="MH" term="%22China%22">China</searchLink> ; <searchLink fieldCode="MH" term="%22Humans%22">Humans</searchLink> ; <searchLink fieldCode="MH" term="%22Particle+Size%22">Particle Size</searchLink> ; <searchLink fieldCode="MH" term="%22Risk+Assessment%22">Risk Assessment</searchLink> ; <searchLink fieldCode="MH" term="%22Child%22">Child</searchLink> ; <searchLink fieldCode="MH" term="%22Adult%22">Adult</searchLink>
– Name: Abstract
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  Data: Organic ultraviolet absorbers (OUVAs), encompassing both UV absorbers and stabilizers, have attracted increasing attention owing to their widespread environmental occurrence and potential risks to ecosystems and human health. Road dust serves as a major environmental reservoir of these compounds. However, the role of particle size in governing their distribution and human exposure remains poorly characterized. This study examined the contamination profiles, size-fractionated distribution, possible sources, and human exposure risks of OUVAs in road dust across China. The 16 target OUVAs were widely detected, with total concentrations ranging from 3.00 to 415 ng/g. Notably, OUVAs preferentially accumulated in the fine fractions of road dust. 5-methyl-1H-benzotriazole and benzophenone-3 were identified as the dominant congeners, with compositional profiles remaining similar across particle size fractions. Principal component analysis suggested that the OUVAs in urban road dust were likely associated with traffic-related emissions, the use of personal care products and domestic sources. The estimated daily intakes via dermal absorption and ingestion were below the corresponding reference doses, indicating low non-carcinogenic risks via these two pathways. Road dust nonetheless remains a non-negligible exposure medium, particularly for children. These findings provide a nationwide baseline dataset predating recent international regulatory actions, thereby providing critical scientific support for the development of future targeted monitoring programs and mitigation strategies for OUVAs in urban environments.<br /> (Copyright © 2026 Elsevier Ltd. All rights reserved.)
– Name: Abstract
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  Data: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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  Data: <i>Keywords: </i>Benzophenone derivatives; Benzotriazole ultraviolet stabilizers; Non-carcinogenic risks; Road dust; Size-fractionated distribution
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