Waterborne asbestos: Good practices for surface waters analyses.
analytical methods
asbestos analysis
guidelines
surface waters
waterborne asbestos
Journal
Frontiers in chemistry
ISSN: 2296-2646
Titre abrégé: Front Chem
Pays: Switzerland
ID NLM: 101627988
Informations de publication
Date de publication:
2023
2023
Historique:
received:
21
11
2022
accepted:
10
01
2023
entrez:
10
2
2023
pubmed:
11
2
2023
medline:
11
2
2023
Statut:
epublish
Résumé
Asbestos occurrence has been mainly monitored in air so far and only limitedly considered in other matrices, such as water. Waterborne asbestos could originate from natural or anthropogenic sources, leading to non-conventional exposure scenarios. It could be a secondary source of airborne asbestos in case of water-to-air migration, particularly in case of surface moving water, such as in rivers and streams. The scarce attention dedicated to waterborne asbestos has led to a considerable fragmentation in regulatory approaches regarding the study of water samples possibly contaminated by mineral fibres. In this context, this study has been designed to test the reliability of an existing analytical method devoted to natural waters investigations. Following the operational protocol issued by the Piedmont (Italy) Environmental Protection Agency, Scanning Electron Microscopy analyses have been performed on a standard sample of waterborne chrysotile, mimicking stream water. The investigations have been performed by different operators and using different analytical setups, to verify whether the method applied has a good interlaboratory reproducibility and which could be the most error-prone analytical steps. Three data sets have been obtained on the same sample, showing a low reproducibility among each other. Possible reasons causing this discrepancy have been discussed in detail and good practices to perform reliable analyses on surface water samples containing asbestos have been proposed to help the regulatory organs to better define analytical protocols.
Identifiants
pubmed: 36762195
doi: 10.3389/fchem.2023.1104569
pii: 1104569
pmc: PMC9905445
doi:
Types de publication
Journal Article
Langues
eng
Pagination
1104569Informations de copyright
Copyright © 2023 Avataneo, Capella, Luiso, Marangoni, Lasagna, De Luca, Bergamini, Belluso and Turci.
Déclaration de conflit d'intérêts
Authors MB, ML, and GM are employed by RSA Srl, Società per il Risanamento e lo Sviluppo Ambientale dell’ex miniera di amianto di Balangero e Corio, Balangero (TO), Italy. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest
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