Determination of the activity concentration of 131I in the middle basin of the Bogotá river
DOI:
https://doi.org/10.22335/rlct.v13i3.1466Keywords:
Nuclear medicine, gamma spectrometry, dischargesAbstract
This research presents an approximation to determine the presence of 131I (a reagent used in diagnosis and metabolic therapy of thyroid cancer) in the Bogota River, the body of water located on the border of the Colombian capital. Samples were taken along the middle river basin and analyzed using the high-resolution gamma-ray spectrometry technique. A maximum concentration of 16.8 Bq L-1 was obtained at the point called Guadua bridge, near the PTAR El Salitre, followed by the measures in point Gibraltar, with 16.1 Bq L-1. These results are considered relevant because of their proximity to the maximum concentration established for discharges in liquid form to sewers, rivers and other large bodies of water, stipulated in the Colombian regulations. They also exceed the World Health Organization reference value for drinking water. The presence of 131I can be associated to the activity of the medical sector, as a consequence of the transport of the radioisotope from the facilities where it is applied, through the sewerage networks, to the wastewater treatment plant of the city and finally to the river.
Downloads
References
American Public Health Association, American Water Works Association & Water Environment Federation. (2017). Standard Methods for the examination of water and wastewater. American Public Health Association.
American Society for Testing and Materials. (2013). D4785-20, Standard test method for low-level analysis of iodine radioisotopes in water. ASTM International. https://doi.org/10.1520/D4785-20
CAR. (2010). Carta Ambiental. Distritos de riego CAR. Equilibrio entre productividad y ambiente. Corporación Autónoma Regional de Cundinamarca.
Gascó, C., Martínez, M., & Heras, M. (2009). Métodos para la Resolución del Problema de la Detección de Radiactividad en Muestras Ambientales. CIEMAT.
Committe on Thyroid Screening Screening Related to I-131. (1999). Exposure of the American people to iodine-131 from Nevada Nuclear-Bomb test. National Academy of Sciences.
CSN. (2009). Procedimiento para el muestreo, recepción y conservación de muestras de agua para la determinación de la radiactividad ambiental. Consejo de Seguridad Nuclear.
DPAE. (2006). Informe sobre la emergencia ocurrida en el río Bogotá y el sistema hídrico adyacente en mayo de 2006. Dirección de Prevención y Atención de Emergencias.
EAAB. (s.f.). Niveles río Bogotá EAB. https://eab-sigue.maps.arcgis.com/apps/webappviewer/index.html?id=7cd2224ceeec4bc4b92a2303590326bc
Gonzalo Uribarri, F. B. (2011). Espectroscopía de rayos gamma: Caracterización del Centellador Nal (TI) de Harshaw. http://users.df.uba.ar/bragas/Labo5_1er2011/G3nuclear.pdf
ICONTEC. (2004). Calidad del agua: Muestreo. Parte 3: Directrices para la preservación y manejo de las muestras. Instituto Colombiano de Normas Técnicas y Certificación.
IDEAM. (2007). Instructivo para la toma de muestras de aguas residuales. Instituto de Hidrología, Meterología y Estudios Ambientales.
Ministerio de Ambiente y Desarrollo Sostenible. (2014). Resolución número 1207 de 25 de julio.
Ministerio de Minas y Energía. (2010). Resolución 180005 de 5 de enero.
Navia, A. (2015). Concentración de actividad de 131I en el río Medellín [Ponencia]. X Congreso Regional Latinoamericano
IRPA de Protección y Seguridad Radioloógica. Buenos Aires, 12 al 17 de abril.
Ortiz, J. (2004). Radioactivity study in a sewage treatment plant (STP). Radiological impact evaluation. https://www.researchgate.net/publication/228476658_Radioactivity_study_in_a_sewage_treatment_plant_STP_Radiological_impact_evaluation
Ospina, L. (2018). Propuesta para la determinación del radio de incidencia del 131I a través de una metodología de muestreo en la cuenca media del río Bogotá [Tesis de grado]. Fundación Universidad de América. http://hdl.handle.net/20.500.11839/6727
Rahman, R. O.-t. (2011). Liquid Radioactive Wastes Treatment. Water, 3(2), 551-565. https://doi.org/10.3390/w3020551
Ren, J., T., M., Zhang, W., & Yang, S. (2008). Effect of ingredients in waste water on property of ion exchange resin for ranium-contained waste water treatment. Atomic Energy Science and Technology, 42(1), 38-42.
Rincón, N. (2005). Análisis del esquema de integración de la PTAR Salitre al alcantarillado y al río Bogotá [Tesis de grado]. Universidad de los Andes, Facultad de Ingeniería. http://hdl.handle.net/1992/21823
Servicio Geológico Colombiano. (2017). Sistema de Información de la Autoridad Reguladora – Xue v1.0. https://www2.sgc.gov.co/ProgramasDeInvestigacion/Asuntos-Nucleares/Paginas/Sistema-de-Informacion-de-la-Autoridad-Reguladora-%E2%80%93-Xue-v1-0.aspx
World Health Organization. (2017). Guidelines for Drinking-water Quality. WHO.
Downloads
Published
Issue
Section
License
Copyright (c) 2021 Revista Logos Ciencia & Tecnología
This work is licensed under a Creative Commons Attribution 4.0 International License.
This journal provides free and immediate access to its content (https://creativecommons.org/licenses/by/4.0/legalcode#languages), under the principle that making research available to the public free of charge supports greater global knowledge exchange. This means that the authors transfer the Copyrights to the journal, so that the material can be copied and distributed by any means, as long as the authors’ recognition is maintained, and the articles are not commercially used or modified in any way.
