{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T18:52:12Z","timestamp":1775155932602,"version":"3.50.1"},"reference-count":36,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2024,6,4]],"date-time":"2024-06-04T00:00:00Z","timestamp":1717459200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Radon, a radioactive inert gas that comes from the decay of naturally occurring radioactive species, poses a substantial health risk due to its involvement in lung cancer carcinogenesis. This work proposes a metrological approach for determining radon exhalation rates from diverse building materials. This methodology employs an electrostatic collection chamber for alpha spectrometry of radon isotopic decay products. Experimental evaluations were conducted particularly focusing on volcanic gray tuff from Sant\u2019Agata de\u2019 Goti (Campania region, Italy), a material commonly utilized in construction, to assess radon exhalation rates. The study aligns with Legislative Decree 101\/2020, a transposition of European Directive 59\/2013\/Euratom, highlighting the need to identify materials with a high risk of radon exhalation. Moreover, this work supports the goals of the Italian National Radon Action Plan related to the aforementioned decree, aiming to develop methodologies for estimating radon exhalation rates from building materials and improving radioprotection practices.<\/jats:p>","DOI":"10.3390\/s24113633","type":"journal-article","created":{"date-parts":[[2024,6,4]],"date-time":"2024-06-04T07:39:49Z","timestamp":1717486789000},"page":"3633","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Radon Exhalation Rate: A Metrological Approach for Radiation Protection"],"prefix":"10.3390","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2122-9130","authenticated-orcid":false,"given":"Fabrizio","family":"Ambrosino","sequence":"first","affiliation":[{"name":"Department of Physics \u201cE. Pancini\u201d, University of Naples Federico II, 80126 Naples, Italy"},{"name":"National Institute of Nuclear Physics (INFN), Naples Section, 80126 Naples, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8952-3144","authenticated-orcid":false,"given":"Giuseppe","family":"La Verde","sequence":"additional","affiliation":[{"name":"Department of Physics \u201cE. Pancini\u201d, University of Naples Federico II, 80126 Naples, Italy"},{"name":"National Institute of Nuclear Physics (INFN), Naples Section, 80126 Naples, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-3162-4240","authenticated-orcid":false,"given":"Gaetano","family":"Gagliardo","sequence":"additional","affiliation":[{"name":"Department of Physics \u201cE. Pancini\u201d, University of Naples Federico II, 80126 Naples, Italy"}]},{"given":"Rocco","family":"Mottareale","sequence":"additional","affiliation":[{"name":"Department of Physics \u201cE. Pancini\u201d, University of Naples Federico II, 80126 Naples, Italy"}]},{"given":"Giuseppe","family":"Della Peruta","sequence":"additional","affiliation":[{"name":"Department of Physics \u201cE. Pancini\u201d, University of Naples Federico II, 80126 Naples, Italy"}]},{"given":"Chiara","family":"Imparato","sequence":"additional","affiliation":[{"name":"Department of Physics \u201cE. Pancini\u201d, University of Naples Federico II, 80126 Naples, Italy"}]},{"given":"Andrea","family":"D\u2019Elia","sequence":"additional","affiliation":[{"name":"Department of Physics \u201cE. Pancini\u201d, University of Naples Federico II, 80126 Naples, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4489-5048","authenticated-orcid":false,"given":"Mariagabriella","family":"Pugliese","sequence":"additional","affiliation":[{"name":"Department of Physics \u201cE. Pancini\u201d, University of Naples Federico II, 80126 Naples, Italy"},{"name":"National Institute of Nuclear Physics (INFN), Naples Section, 80126 Naples, Italy"}]}],"member":"1968","published-online":{"date-parts":[[2024,6,4]]},"reference":[{"key":"ref_1","unstructured":"European Commission (1999). Radiaction Protection 112. Radiological Protection Principles Concerning the Natural Radioactivity of Building Materials, European Commission."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"367","DOI":"10.1007\/s10967-005-0918-z","article-title":"The Radioactivity of Building Materials","volume":"266","author":"Papastefanou","year":"2005","journal-title":"J. Radioanal. Nucl. Chem."},{"key":"ref_3","doi-asserted-by":"crossref","unstructured":"Schroeyers, W., and Kovler, K. (2017). Naturally Occurring Radioactive Materials in Construction, Elsevier.","DOI":"10.1016\/B978-0-08-102009-8.00002-5"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"85","DOI":"10.1016\/S0048-9697(01)00669-6","article-title":"Radon Permeability and Radon Exhalation of Building Materials","volume":"272","author":"Keller","year":"2001","journal-title":"Sci. Total Environ."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"609","DOI":"10.1016\/1359-0189(92)90013-L","article-title":"Measurement of Radon Exhalation Rate from Some Building Materials","volume":"20","author":"Khan","year":"1992","journal-title":"Int. J. Radiat. Appl. Instrum. Part D Nucl. Tracks Radiat. Meas."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"109090","DOI":"10.1016\/j.apradiso.2020.109090","article-title":"Study on a Peak Shape Fitting Model for the Analysis of Alpha-Particle Spectra","volume":"159","author":"Ambrosino","year":"2020","journal-title":"Appl. Radiat. Isot."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1093\/oxfordjournals.rpd.a080238","article-title":"Radon Exhalation from the Soil","volume":"24","author":"Keller","year":"1988","journal-title":"Radiat. Prot. Dosim."},{"key":"ref_8","unstructured":"United Nations Scientific Committee on the Effects of Atomic Radiation (2000). Sources and Effects of Ionizing Radiation, United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) 2000 Report, Volume I: Report to the General Assembly, with Scientific Annexes-Sources, United Nations."},{"key":"ref_9","unstructured":"BEIRVII (2006). Health Risks from Exposure to Low Levels of Ionizing Radiation. Committee to Assess Health Risks from Exposure to Low Levels of Ionizing Radiation, National Research Council (U.S.), The National Academies Press."},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1136\/bmj.38308.477650.63","article-title":"Radon in Homes and Risk of Lung Cancer: Collaborative Analysis of Individual Data from 13 European Case-Control Studies","volume":"330","author":"Darby","year":"2005","journal-title":"BMJ"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"253","DOI":"10.1080\/095530098142347","article-title":"The Effect of Track Structure on the Induction of Chromosomal Aberrations in Murine Cells","volume":"73","author":"Durante","year":"1998","journal-title":"Int. J. Radiat. Biol."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"745","DOI":"10.1093\/jnci\/81.10.745","article-title":"Radon and Lung Cancer","volume":"81","author":"Samet","year":"1989","journal-title":"JNCI J. Natl. Cancer Inst."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"1091","DOI":"10.1093\/oxfordjournals.aje.a010153","article-title":"Residential Radon Gas Exposure and Lung Cancer: The Iowa Radon Lung Cancer Study","volume":"151","author":"Field","year":"2000","journal-title":"Am. J. Epidemiol."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"839","DOI":"10.1080\/17476348.2019.1645599","article-title":"Radon Exposure: A Major Cause of Lung Cancer","volume":"13","year":"2019","journal-title":"Expert Rev. Respir. Med."},{"key":"ref_15","unstructured":"International Agency for Research on Cancer (IARC) (2012). Radiation Volume 100 D. A Review of Human. Carcinogens, WHO Press. Available online: http:\/\/monographs.iarc.fr\/ENG\/Monographs\/vol100D\/mono100D.pdf."},{"key":"ref_16","unstructured":"WHO (2009). Handbook on Indoor Radon: A Public Health Perspective, World Health Organization."},{"key":"ref_17","unstructured":"(2024, April 21). Decreto Legislativo 31 Luglio 2020, n. 101 Attuazione Della Direttiva 2013\/59\/Euratom, Che Stabilisce Norme Fondamentali Di Sicurezza Relative Alla Protezione Contro i Pericoli Derivanti Dall\u2019esposizione Alle Radiazioni Ionizzanti, e Che Abroga Le Direttive 89\/618\/Euratom, 90\/641\/Euratom, 96\/29\/Euratom, 97\/43\/Euratom e 2003\/122\/Euratom e Riordino Della Normativa Di Settore in Attuazione Dell\u2019articolo 20, Comma 1, Lettera a), Della Legge 4 Ottobre 2019, n. 117. (20G00121) (GU Serie Generale n.201 Del 12-08-2020\u2014Suppl. Ordinario n. 29). Available online: https:\/\/www.gazzettaufficiale.it\/eli\/id\/2020\/08\/12\/20G00121\/sg."},{"key":"ref_18","unstructured":"European Union (2013). Laying down basic safety standards for protection against the dangers arising from exposure to ionis-ing radiation, and repealing Directives 89\/618\/Euratom, 90\/641\/Euratom, 96\/29\/Euratom, 97\/43\/Euratom and 2003\/122\/Euratom, council directive 2013\/59\/Euratom. Off. J. Eur. Union, 13, 1\u201373."},{"key":"ref_19","unstructured":"(2024, April 21). Adozione del Piano Nazionale D\u2019azione per il Radon 2023\u20132032. (24A00877) (GU Serie Generale n.43 del 21-02-2024\u2014Suppl. Ordinario n. 10). Available online: https:\/\/www.gazzettaufficiale.it\/eli\/id\/2024\/02\/21\/24A00877\/sg."},{"key":"ref_20","doi-asserted-by":"crossref","unstructured":"\u010celikovi\u0107, I., Panteli\u0107, G., Vukanac, I., Nikoli\u0107, J.K., \u017divanovi\u0107, M., Cinelli, G., Gruber, V., Baumann, S., Ciotoli, G., and Poncela, L.S.Q. (2022). Overview of Radon Flux Characteristics, Measurements, Models and Its Potential Use for the Estimation of Radon Priority Areas. Atmosphere, 13.","DOI":"10.3390\/atmos13122005"},{"key":"ref_21","unstructured":"Nuccetelli, C., Risica, S., Onisei, S., Leonardi, F., and Trevisi, R. (2017). Natural Radioactivity in Building Materials in the European Union: A Database of Activity Concentrations, Radon Emanations and Radon Exhalation Rates, Istituto Superiore di Sanit\u00e0."},{"key":"ref_22","unstructured":"Friedmann, H., Nuccetelli, C., Michalik, B., Anagnostakis, M., Xhixha, G., Kovler, K., De With, G., Gasc\u00f3, C., Schroeyers, W., and Trevisi, R. (2017). Naturally Occurring Radioactive Materials in Construction, Elsevier."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"3357","DOI":"10.1029\/JB079i023p03357","article-title":"Emanation and Exhalation of Radon and Thoron Gases from Soil Particles","volume":"79","author":"Megumi","year":"1974","journal-title":"J. Geophys. Res."},{"key":"ref_24","unstructured":"(2024, April 21). IAEA (International Atomic Energy Agency), 2013. Measurement and Calculation of Radon Releases from NORM Residues. Technical Reports Series n\u2218 474. Vienna. Available online: https:\/\/www-pub.iaea.org\/MTCD\/Publications\/PDF\/trs474_webfile.pdf."},{"key":"ref_25","unstructured":"User Manual (2024, April 21). Pylon\u00ae Model RN-190 Radon Daughter Standard. Available online: https:\/\/pylonelectronics-radon.com\/wp-content\/uploads\/2019\/08\/DS119R2-RN-TH-190.pdf."},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"440","DOI":"10.1093\/rpd\/ncz069","article-title":"Measurement of the potential alpha energy concentration of radon progeny by using liquid scintillation counting method","volume":"184","author":"Feng","year":"2019","journal-title":"Radiat. Prot. Dosim."},{"key":"ref_27","unstructured":"(2015). Measurement of Radioactivity in the Environment\u2014Soil\u2014Part 2: Guidance for the Selection of the Sampling Strategy, Sampling and Pre-Treatment of Samples (Standard No. UNI EN ISO 18589-2:2015)."},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1007\/s007100170010","article-title":"New Constraints on the Pyroclastic Eruptive History of the Campanian Volcanic Plain (Italy)","volume":"73","author":"Rolandi","year":"2001","journal-title":"Mineral. Petrol."},{"key":"ref_29","first-page":"439","article-title":"L\u2019eruzione Di Pomici a Letto Dell\u2019Ignimbrite Campana (\u2018Tufo Grigio Campano\u2019 Auct.)","volume":"42","author":"Rolandi","year":"1973","journal-title":"Period. Di Mineral."},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1007\/s00710-003-0003-7","article-title":"Post-Eruptive Processes in the Campanian Ignimbrite","volume":"79","author":"Cappelletti","year":"2003","journal-title":"Mineral. Petrol."},{"key":"ref_31","doi-asserted-by":"crossref","unstructured":"La Verde, G., D\u2019Avino, V., Sabbarese, C., Ambrosino, F., Roca, V., Raulo, A., and Pugliese, M. (2020). Radiation Protection Legislation and Sustainable Development of a Rural Green Tuff Village of Ischia Island. Sustainability, 12.","DOI":"10.20944\/preprints202009.0370.v1"},{"key":"ref_32","doi-asserted-by":"crossref","unstructured":"Lollino, G., Giordan, D., Marunteanu, C., Christaras, B., Yoshinori, I., and Margottini, C. (2015). Engineering Geology for Society and Territory\u2014Volume 8, Springer International Publishing.","DOI":"10.1007\/978-3-319-09408-3"},{"key":"ref_33","doi-asserted-by":"crossref","unstructured":"De Silva, F., Melillo, M., Calcaterra, D., Fascia, F., Scotto Di Santolo, A., Silvestri, F., and Stendardo, L. (2013, January 30\u201331). A Study for the Requalification and Safety against Natural Hazards of the Environmental and Building Heritage of Sant\u2019Agata de\u2019Goti (Italy). Proceedings of the Geotechnical Engineering for the Preservation of Monuments and Historic Sites, Napoli, Italy.","DOI":"10.1201\/b14895-36"},{"key":"ref_34","unstructured":"Rosi, M., and Sbrana, A. (1987). Phlegraean Fields, Quaderni de \u201cLa Ricerca Scientifica\u201d, CNR."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"1385680","DOI":"10.3389\/fbuil.2024.1385680","article-title":"Implementation of Dose Calculation Methods for NORM by-Products in Building Materials in Circular Economy Framework","volume":"10","author":"Gagliardo","year":"2024","journal-title":"Front. Built Environ."},{"key":"ref_36","doi-asserted-by":"crossref","first-page":"121087","DOI":"10.1016\/j.conbuildmat.2020.121087","article-title":"Radiological characterization of natural building materials from the Campania region (Southern Italy)","volume":"268","author":"Sabbarese","year":"2020","journal-title":"Constr. Build. Mater."}],"container-title":["Sensors"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1424-8220\/24\/11\/3633\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T14:53:29Z","timestamp":1760108009000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1424-8220\/24\/11\/3633"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,6,4]]},"references-count":36,"journal-issue":{"issue":"11","published-online":{"date-parts":[[2024,6]]}},"alternative-id":["s24113633"],"URL":"https:\/\/doi.org\/10.3390\/s24113633","relation":{},"ISSN":["1424-8220"],"issn-type":[{"value":"1424-8220","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,6,4]]}}}