Exposure assessment of PFAS-contaminated sites using avian eggs as a biomonitoring tool: A frame of reference and a case study in the Po River valley (Northern Italy).
Biomonitoring
C6O4
Eggs
PFAS alternatives
Per- and polyfluoroalkyl substances
Journal
Integrated environmental assessment and management
ISSN: 1551-3793
Titre abrégé: Integr Environ Assess Manag
Pays: United States
ID NLM: 101234521
Informations de publication
Date de publication:
Jul 2021
Jul 2021
Historique:
revised:
22
12
2020
received:
03
11
2020
accepted:
23
03
2021
pubmed:
26
3
2021
medline:
1
7
2021
entrez:
25
3
2021
Statut:
ppublish
Résumé
For many years, eggs of diverse bird species have been used as monitoring tools in studies investigating perfluoroalkyl substances (PFAS) contamination, especially in marine and remote areas. Avian eggs are a suitable monitoring matrix because they are relatively easy to collect and their yolks store diverse maternally transferred PFAS. Moreover, the concentrations of PFAS detected in the eggs are a good proxy for maternal exposure and allow the assessment of the potential risk for birds. These features support the use of avian eggs as a key monitoring tool in exposure assessment of PFAS-contaminated sites. We first review the recent application of avian eggs in PFAS monitoring in environmental risk assessment schemes, highlighting strengths and limitations and suggesting which criteria should be considered when selecting a proper study species and structuring the sampling and analytical protocol. Eventually, we report findings from a field study realized in 2020 near a perfluoropolymer factory site in the upper Po plain (Northern Italy), revealing an unprecedented contamination level of PFOA and C6O4 in three species of wild passerines. In future, long-term monitoring of PFAS contamination using avian eggs should be maintained, to provide crucial information on the temporal trend of fluorochemical production and waste disposal, while facilitating early identification of emerging PFAS as well as the quantification of their biomagnification across the trophic web. Integr Environ Assess Manag 2021;17:733-745. © 2021 SETAC.
Substances chimiques
Alkanesulfonic Acids
0
Fluorocarbons
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
733-745Subventions
Organisme : LIFE PHOENIX project
ID : LIFE16 ENV/IT/000488
Organisme : LIFE PHOENIX
Informations de copyright
© 2021 SETAC.
Références
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