Radón y su progenie: monitoreo individual y ambiental en minas subterráneas en la región de Antioquia, Colombia
| dc.contributor.advisor | Puerta Ortiz, Jorge Anselmo | |
| dc.contributor.author | Peña Marín, Vanessa | |
| dc.contributor.orcid | Peña Marín, Vanessa [0000000195511185] | |
| dc.contributor.orcid | Puerta Ortiz, Jorge Anselmo [0000000283922363] | |
| dc.contributor.researchgroup | Física Radiológica | |
| dc.date.accessioned | 2025-10-22T16:16:16Z | |
| dc.date.available | 2025-10-22T16:16:16Z | |
| dc.date.issued | 2025-10-07 | |
| dc.description.abstract | En este trabajo se realizaron mediciones ambientales de radón y su progenie, en una zona de minería de oro del departamento de Antioquia, Colombia, se analizaron también muestras de agua, suelo y orina de los mineros por espectrometría gamma y se realizó la simulación de los modelos biocinéticas propuestos en la publicación 137 de la ICRP en el software MatLab para los radionúclidos presentes en la cadena de desintegración del radón, esto con el fin de estimar el riesgo radiológico en los mineros que trabajan en minería subterránea. Para ello, se eligieron siete puntos diferentes de medición en tres tipos de áreas, en cada punto se usaron cámaras de electretos EPERM y detector Doseman PRO. Se encontraron valores de concentración de 222Rn entre 858,3 +- 59 Bq m-3 y 2469 +- 158 Bq m-3 y de factor de equilibrio entre 0.15 y 0.27. A través del equipo Doseman PRO se obtuvieron espectros alfa de 222Rn y 220Rn, los cuales mostraron que la contribución significante de la dosis es debida al radón y su progenie, dado que la progenie del torón se encontraba en una concentración muy baja. Se calculó también la dosis efectiva anual para los mineros bajo dos metodologías (UNSCEAR e ICRP 137) obteniendo valores de hasta 13,5 mSv, asumiendo 2000 horas de trabajo anual. De los resultados de espectrometría gamma y alfa realizados a las muestras de orina, se evidenció que en su labor los mineros también incorporan 226Ra y que la dosis efectiva comprometida recibida por los mismos debido a este radionúclido puede incluso superar la dosis estimada por la incorporación de radón. Los resultados demuestran la importancia de los datos dosimétricos, la necesidad de realizar un seguimiento individual de los mineros y de que en el país se establezca normativa y regulación respecto a la posible exposición a materiales radiactivos naturales. (Texto tomado de la fuente) | spa |
| dc.description.abstract | In this work, environmental measurements of radon and its progeny were performed in a gold mining area in the department of Antioquia, Colombia. Samples of water, soil and urine of the miners were also analyzed by gamma spectrometry and the biokinetic models proposed in ICRP publication 137 were simulated in MatLab software for the radionuclides present in the radon decay chain, in order to estimate the radiological risk in miners working in underground mining. For this purpose, seven different measurement points were chosen in three types of areas, at each point EPERM electret chambers and DOSEman Pro detector were used. 222Rn concentration values were found between 858,3 +- 59 Bq m-3 and 2469 +- 158 Bq m-3 and equilibrium factor between 0.15 and 0.27. Alpha spectra of 222Rn and 220Rn were obtained through the DosemanPRO equipment, which showed that the significant dose contribution is due to radon and its progeny, since the thoron progeny was at a very low concentration. The annual effective dose for the miners was also calculated under two methodologies (UNSCEAR and ICRP 137) obtaining values up to 13.5 mSv, assuming 2000 hours of annual work. From the results of gamma and alpha spectrometry performed on the urine samples, it was evidenced that in their work the miners also incorporate 226Ra and that the committed effective dose received by them due to this radionuclide may even exceed the dose estimated by the incorporation of radon. The results demonstrate the importance of dosimetric data, the need for individual monitoring of miners and the need for the country to establish standards and regulations regarding possible exposure to naturally occurring radioactive materials. | eng |
| dc.description.curriculararea | Física.Sede Medellín | |
| dc.description.degreelevel | Doctorado | |
| dc.description.degreename | Doctor en Ciencias - Física | |
| dc.format.extent | 1 recurso en líne (114 páginas) | |
| dc.format.mimetype | application/pdf | |
| dc.identifier.instname | Universidad Nacional de Colombia | spa |
| dc.identifier.reponame | Repositorio Institucional Universidad Nacional de Colombia | spa |
| dc.identifier.repourl | https://repositorio.unal.edu.co/ | spa |
| dc.identifier.uri | https://repositorio.unal.edu.co/handle/unal/89053 | |
| dc.language.iso | spa | |
| dc.publisher | Universidad Nacional de Colombia | |
| dc.publisher.branch | Universidad Nacional de Colombia - Sede Medellín | |
| dc.publisher.faculty | Facultad de Ciencias | |
| dc.publisher.place | Medellín, Colombia | |
| dc.publisher.program | Medellín - Ciencias - Doctorado en Ciencias - Física | |
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| dc.rights.accessrights | info:eu-repo/semantics/openAccess | |
| dc.rights.license | Atribución-NoComercial-SinDerivadas 4.0 Internacional | |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | |
| dc.subject.ddc | 620 - Ingeniería y operaciones afines::621 - Física aplicada | |
| dc.subject.ddc | 530 - Física::539 - Física moderna | |
| dc.subject.proposal | Radiación natural | spa |
| dc.subject.proposal | Radón y su progenie | spa |
| dc.subject.proposal | Monitoreo individual | spa |
| dc.subject.proposal | Modelos biocinéticos | spa |
| dc.subject.proposal | Natural radiation | eng |
| dc.subject.proposal | Radon and its progeny | eng |
| dc.subject.proposal | Individual monitoring | eng |
| dc.subject.proposal | Biokinetic models | eng |
| dc.subject.wikidata | Radón | |
| dc.subject.wikidata | Radionucleido | |
| dc.subject.wikidata | Radiación ionizante | |
| dc.title | Radón y su progenie: monitoreo individual y ambiental en minas subterráneas en la región de Antioquia, Colombia | spa |
| dc.title.translated | Radon and its progeny: individual and environmental monitoring in underground mines in the region of Antioquia, Colombia | eng |
| dc.type | Trabajo de grado - Doctorado | |
| dc.type.coar | http://purl.org/coar/resource_type/c_db06 | |
| dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | |
| dc.type.content | Text | |
| dc.type.driver | info:eu-repo/semantics/doctoralThesis | |
| dc.type.redcol | http://purl.org/redcol/resource_type/TD | |
| dc.type.version | info:eu-repo/semantics/acceptedVersion | |
| dcterms.audience.professionaldevelopment | Investigadores | |
| dcterms.audience.professionaldevelopment | Público general | |
| oaire.accessrights | http://purl.org/coar/access_right/c_abf2 |

