<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0379-3982</journal-id>
<journal-title><![CDATA[Revista Tecnología en Marcha]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnología en Marcha]]></abbrev-journal-title>
<issn>0379-3982</issn>
<publisher>
<publisher-name><![CDATA[Instituto Tecnológico de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0379-39822021000100104</article-id>
<article-id pub-id-type="doi">10.18845/tm.v34i1.4486</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Exposición ocupacional a radiaciones ultravioleta UVA/UVB de los trabajadores agrícolas de la provincia de Cartago, Costa Rica]]></article-title>
<article-title xml:lang="en"><![CDATA[Occupational exposure to ultraviolet radiation (UVA/ UVB) in agricultural workers in Cartago, Costa Rica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Araya-Solano]]></surname>
<given-names><![CDATA[Tannia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arias-Monge]]></surname>
<given-names><![CDATA[Esteban]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Robles-Ramírez]]></surname>
<given-names><![CDATA[Andres]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villalobos-Rodríguez]]></surname>
<given-names><![CDATA[Ara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica Escuela de Ingeniería en Seguridad Laboral e Higiene Ambiental ]]></institution>
<addr-line><![CDATA[Cartago ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica Escuela de Ingeniería en Seguridad Laboral e Higiene Ambiental ]]></institution>
<addr-line><![CDATA[Cartago ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica Escuela de Ingeniería en Seguridad Laboral e Higiene Ambiental ]]></institution>
<addr-line><![CDATA[Cartago ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Tecnológico de Costa Rica Escuela de Ingeniería en Seguridad Laboral e Higiene Ambiental ]]></institution>
<addr-line><![CDATA[Cartago ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<volume>34</volume>
<numero>1</numero>
<fpage>104</fpage>
<lpage>114</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0379-39822021000100104&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0379-39822021000100104&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0379-39822021000100104&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La radiación ultravioleta constituye una fuente de riesgo para el sector agrícola; en Costa Rica no se han publicado datos sobre la exposición a este agente físico. Por tal motivo, se desarrolló una investigación exploratoria con dos asociaciones de agricultores ubicadas en la zona norte y El Guarco, en la provincia de Cartago, cuyo objetivo fue el de cuantificar el nivel de radiación ultravioleta al que se exponen los colaboradores de las zonas agrícolas, así como estimar la dosis eritema estándar y establecer una matriz para determinar el nivel de riesgo por exposición a la radiación solar. Las mediciones iniciaron en noviembre de 2015 y finalizaron en enero de 2017, en horario de 6:00 hasta las 15:00 horas aproximadamente, iniciando en noviembre de 2015 y finalizando en enero de 2017 ; se aplicaron métodos estadísticos como promedios ponderados, máximos, mínimos y desviación estándar de los datos obtenidos y una encuesta a los trabajadores para determinar el fototipo de piel y las zonas de esta más expuestas. Los principales resultados mostraron que la irradiación mínima reportada fue de 1,9 W/cm2 y la máxima, de 160,9 W/cm2 ; los niveles promedio más altos se reportaron entre las 10:00 y las 13:00 horas. La época del año con mayor nivel de irradiación fue la seca, en la zona alta, con 167 W/cm2 como máximo. La dosis eritema estándar estuvo entre 2,3 SED y 9,8 SED, que sobrepasa lo recomendado por la Comisión Internacional de Iluminación (1,09 SED). El índice de radiación ultravioleta se encontró entre 8 y 12, clasificado como alto y muy alto. Bajo las condiciones descritas podría aumentar el riesgo para los colaboradores de las fincas agrícolas, de eritemas en la piel. Se planteó la matriz de riesgo por exposición, tomando en cuenta aspectos como tarea o puesto, altitud, época del año, nivel de irradiación, parte del cuerpo expuesta y fototipo de piel.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Ultraviolet radiation constitutes a source of risk for the agricultural sector. In Costa Rica, no data have been published on the exposure to this physical agent, for this reason an exploratory research has been developed whose objective was to quantify the level of ultraviolet radiation to which the collaborators of the agricultural areas (north zone and El Guarco, in Cartago) are exposed, as well as to estimate the standard erythema doce. The radiation level was measured from 6:00 until approximately 15:00 hour. The data were analyzed using statistical methods, and farm workers were surveyed to determine the skin phenotype, most exposed areas of the skin, and other information. The main results showed that the minimum irradiance reported was 1,9 W/cm2 , and the maximum was 160,9 W/cm2 ; the highest average levels were reported between 10:00 and 13:00 hours. The time of the year with the highest level of irradiance was the dry season, in the north zone, with 167 W/cm2 as maximum. The standard erythema dose was estimated between 2,3 and 9,8, exceeding that recommended by the International Commission on Illumination. The ultraviolet index was found between 8 and 12, classified as high and very high. Under the conditions described, the risk of erythema for the collaborators in the farms was increased. A matrix is proposed to determine risk by exposure, taking into account aspects such as task or position, altitude, time of year, level of irradiance, part of the body exposed, and skin phenotype.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Radiación ultravioleta]]></kwd>
<kwd lng="es"><![CDATA[exposición solar]]></kwd>
<kwd lng="es"><![CDATA[trabajadores agrícolas]]></kwd>
<kwd lng="en"><![CDATA[Ultraviolet radiation]]></kwd>
<kwd lng="en"><![CDATA[solar exposure]]></kwd>
<kwd lng="en"><![CDATA[agricultural workers]]></kwd>
</kwd-group>
</article-meta>
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