Radiation Protection Dosimetry Advance Access originally published online on December 7, 2004
Radiation Protection Dosimetry 2005 113(2):168-172; doi:10.1093/rpd/nch438
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Radiometric characterisation of more representative natural building materials in the province of Rome
1 Department of Occupational Hygiene, Istituto Superiore per la Prevenzione e la Sicurezza del lavoro (ISPESL), Monteporzio Catone, Rome, Italy 00040
2 Central Service of Radioisotopes, Università Cattolica del Sacro Cuore UCSC, Rome, Italy 00168
3 Agenzia per la Protezione dell'Ambiente e per i Servizi Tecnici (APAT), Rome, Italy 00144
4 Technical Advisory Department for Risk Assessment and Prevention (CONTARP), Istituto Nazionale per l'Assicurazione contro gli Infortuni sul Lavoro (INAIL), Rome, Italy 00100
* Corresponding author: r.trevisi{at}dil.ispesl.it
Received June 14, 2004, amended October 26, 2004, accepted November 8, 2004
Natural building materials, characterised by middlelow-activity concentrations of primordial radionuclides (40K, 232Th and 238U series) are widely used in Italy. Since natural materials reflect the geological variability of their sites of origin, a systematic study was carried out in the province of Rome and the results are reported in this paper. In the present work, in order to evaluate average, minimum and maximum contents of primordial radionuclides, more representative lithologies outcropping on the territory of the province of Rome were identified and around 150 samples were collected. Also, these lithologies were characterised from a radioprotection point of view, by means of the evaluation of the index, I, when they are used as building materials. The results confirm the high-primordial radionuclide content within some materials used in Latium (central Italy). Although the study was carried out in a limited area, the results confirm considerable variation in the primordial radionuclide content depending on the sites of origin.
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