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Tytuł pozycji:

Dispersion of Natural Airborne TiO 2 Fibres in Excavation Activity as a Potential Environmental and Human Health Risk.

Tytuł:
Dispersion of Natural Airborne TiO 2 Fibres in Excavation Activity as a Potential Environmental and Human Health Risk.
Autorzy:
La Maestra S; Department of Health Sciences, University of Genoa, 16132 Genoa, Italy.
D'Agostini F; Department of Health Sciences, University of Genoa, 16132 Genoa, Italy.
Sanguineti E; Department of Earth, Environment and Life Sciences, University of Genoa, 16132 Genoa, Italy.
Yus González A; Department of Earth, Environment and Life Sciences, University of Genoa, 16132 Genoa, Italy.
Annis S; Department of Earth, Environment and Life Sciences, University of Genoa, 16132 Genoa, Italy.
Militello GM; Department of Earth, Environment and Life Sciences, University of Genoa, 16132 Genoa, Italy.
Parisi G; COCIV, Via Renata Bianchi 40, I-16152 Genova, Italy.
Scuderi A; COCIV, Via Renata Bianchi 40, I-16152 Genova, Italy.
Gaggero L; Department of Earth, Environment and Life Sciences, University of Genoa, 16132 Genoa, Italy.
Źródło:
International journal of environmental research and public health [Int J Environ Res Public Health] 2021 Jun 18; Vol. 18 (12). Date of Electronic Publication: 2021 Jun 18.
Typ publikacji:
Journal Article; Research Support, Non-U.S. Gov't
Język:
English
Imprint Name(s):
Original Publication: Basel : MDPI, c2004-
MeSH Terms:
Titanium*
Humans ; Particle Size
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Contributed Indexing:
Keywords: fibres; human health risk; inhalation; titanium dioxide; tunnel excavation
Substance Nomenclature:
15FIX9V2JP (titanium dioxide)
D1JT611TNE (Titanium)
Entry Date(s):
Date Created: 20210702 Date Completed: 20210721 Latest Revision: 20230920
Update Code:
20240105
PubMed Central ID:
PMC8296425
DOI:
10.3390/ijerph18126587
PMID:
34207363
Czasopismo naukowe
Titanium is the ninth most abundant element, approximately 0.7% of the Earth crust. It is used worldwide in large quantities for various applications. The IARC includes TiO 2 in Group 2B as possibly carcinogenic to humans suggesting that pathological effects correlate to particle size and shape. This study case quantifies the release of natural TiO 2 particles during mining activity, involving meta-basalt and shale lithologies in the Ligurian Alps, during excavation of the Terzo Valico as part of the Trans-European Transport Network. Type, width, length, aspect ratio, and concentration of TiO 2 particles in needle habit were determined. The different samplings have reported that airborne concentrations in meta-basalt were 4.21 ff/L and 23.94 ff/L in shale. In both cases, the concentration never exceeds the limits established by various organizations for workers health protection. Nevertheless, TiO 2 elongated particles, recognized as rutile, showed the dimensional characteristic of fibres, as reported by WHO. These fibres deserve particular attention because they can reach the alveolar space and trigger inflammation and chronic diseases. The results indicate that monitoring the TiO 2 in both working environments and Ti-rich geological formations, associated with epidemiological studies, may represent a useful tool to determine the exposure risk of workers and the general population.

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