Inter-Laboratory Study for the Asbestos Detection in Bulk Materials: First Italian Scheme
International Journal of Science and Qualitative Analysis
Volume 4, Issue 3, September 2018, Pages: 93-99
Received: May 2, 2018;
Accepted: May 29, 2018;
Published: Jun. 19, 2018
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Antonella Campopiano, Department of Medicine, Epidemiology, Occupational and Environmental Hygiene, National Institute for Insurance against Accidents at Work (INAIL), Monte Porzio Catone, Rome, Italy
Angelo Olori, Department of Medicine, Epidemiology, Occupational and Environmental Hygiene, National Institute for Insurance against Accidents at Work (INAIL), Monte Porzio Catone, Rome, Italy
Biagio Maria Bruni, Department of Technology and Health, National Health Institute (ISS), Rome, Italy
Luciano Benini, Asbestos Regional Center of Marche, ARPAM Pesaro, Italy
Mauro Campanella, Asbestos Regional Center of Abruzzo, ARTA Teramo, Italy
Fulvio Cavariani, Asbestos Regional Center of Lazio, ASL Viterbo, Italy
Adriano Fava, Asbestos Regional Center of Emilia Romagna, ARPA Reggio Emilia, Italy
Patrizia Garofani, Asbestos Regional Center of Umbria, AUSL 2 Assisi, Italy
Luigi Leone, Asbestos Regional Center of Basilicata, ARPAB Potenza, Italy
Claudio Martinelli, Asbestos Regional Center of Veneto, ARPA Verona, Italy
Mariano Alessi, General Direction of Health Prevention, Italian Ministry of Health, Rome, Italy
Italian Health Ministry established by regulation the minimum requirements for laboratories intending to perform asbestos analysis and the organization of a quality control scheme to which the laboratories must refer. Three proficiency testing schemes for asbestos detection in bulk materials using polarized light microscopy (PLM), X-ray diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR) were developed according to the regulation of Health Ministry. The schemes were organized in rounds. In each round the laboratory received one batch of 4 samples. The participant laboratories were 475. The performance of laboratory as satisfactory, unsatisfactory or awaiting classification. The samples of the rounds were real world materials from abatement project and might contain any of the asbestos types. Ceiling-tile containing vitreous fibers caused the highest frequency of false positive; 87% of errors incurred in FTIR and 60% in XRD. Vinyl-floor tiles caused most false negative; 100% of errors incurred in PLM in the second pilot program, 13% in FTIR and 10% in XRD. One of the main factors causing variability of results turned out to be related to the skill of the analysts. Training and experience of the analysts help to get a reliable and reproducible asbestos analysis.
Biagio Maria Bruni,
Inter-Laboratory Study for the Asbestos Detection in Bulk Materials: First Italian Scheme, International Journal of Science and Qualitative Analysis.
Vol. 4, No. 3,
2018, pp. 93-99.
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