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Published on: January 12, 2020
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Vinyl-Asbestos Floor Risk Exposure in Three Different Simulations
Lorena Zichella1, Fiorenza Baudana1, Giovanna Zanetti1
1Department of Environment, Land and Infrastructure Engineering (DIATI), Politecnico di Torino, 10129 Turin, Italy.
Summary
Asbestos vinyl floor tiles, though considered non-friable, can release asbestos fibers when damaged. Experimental tests show cutting, abrasion, or perforation can liberate fibers, posing potential health risks.
Area of Science:
- Environmental Science
- Occupational Health
- Materials Science
Background:
- Asbestos was commonly added to vinyl floor tiles between 1960-1980 for enhanced performance.
- Italian regulations classify asbestos vinyl tiles as non-friable, suggesting low health risks.
Purpose of the Study:
- To evaluate the compactness and non-friability of aged asbestos vinyl floor tiles.
- To determine if damaged tiles release asbestos fibers.
Main Methods:
- Simulated wear and tear using crampon impacts, pliers for breaking, and surface abrasion.
- Conducted tests under controlled conditions with an extractor hood and glove box.
- Measured airborne asbestos fiber concentration via airborne sampling.
Main Results:
- Experimental tests confirmed that asbestos vinyl tiles can release fibers when subjected to cutting, abrasion, or perforation.
- Fiber release was quantified under simulated damage scenarios.
Conclusions:
- Aged asbestos vinyl floor tiles may not maintain non-friable characteristics under stress.
- Damage to these tiles can lead to the release of asbestos fibers, contradicting assumptions of low risk.
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