<?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>1794-1237</journal-id>
<journal-title><![CDATA[Revista EIA]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.EIA.Esc.Ing.Antioq]]></abbrev-journal-title>
<issn>1794-1237</issn>
<publisher>
<publisher-name><![CDATA[Escuela de ingenieria de Antioquia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1794-12372020000200101</article-id>
<article-id pub-id-type="doi">10.24050/reia.v17i34.1313</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Environmental Risk assessment of Chlorpyrifos and TCP in Aquatic Ecosystems]]></article-title>
<article-title xml:lang="es"><![CDATA[Evaluación de Riesgo ambiental de Clorpirifos y TCP en Ecosistemas Acuáticos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Argüello]]></surname>
<given-names><![CDATA[Mayra Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Narváez-Valderrama]]></surname>
<given-names><![CDATA[Jhon Fredy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Amaringo-Villa]]></surname>
<given-names><![CDATA[Fredy Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina-Pérez]]></surname>
<given-names><![CDATA[Francisco José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia Grupo GAIA ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Corporación Universitaria Remington Grupo de Investigación Ingeniar ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>17</volume>
<numero>34</numero>
<fpage>101</fpage>
<lpage>112</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1794-12372020000200101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1794-12372020000200101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1794-12372020000200101&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Chlorpyrifos is a commonly used pesticide that belong to the organophosphorus pesticides (OPPS) group. Chlorpyrifos is widely used in residential environments and agriculture for pest control. As many OPPS, Chlorpyrifos degrades faster to more complex and toxic compounds under natural conditions, thus diverse effects of these compounds over aquatic species are unknown. Due to the risk that pesticides as Chlorpyrifos, which mainly breaks down to 3,5,6- trichloro-2-pyridinol (TCP) on the ecosystems, there is an increasing need to intensify the environmental monitoring and ecotoxicological risk assessment for both substances. Risk assessment provides a systematic approach for characterizing the nature and magnitude of the risks associated with environmental health hazards. However, in countries like Colombia, where the use of Chlorpyrifos is widespread, the number of investigations on the dynamics and risk involved in the presence of this class of substances in water bodies is limited.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El clorpirifos es un plaguicida de uso común que pertenece al grupo de compuestos organofosforados (OPP). El clorpirifos se usa ampliamente en entornos residenciales y agrícolas para el control de plagas de insectos. Como muchos de los OPP, El clorpirifos se degrada rápidamente a compuestos más complejos y tóxicos en condiciones naturales, por lo que se desconocen los diversos efectos de estos compuestos sobre las especies acuáticas. Debido al riesgo de que los plaguicidas como el Clorpirifos, que se descompone principalmente en 3,5,6-tricloro-2-piridinol (TCP) en los ecosistemas, existe una necesidad de intensificar y ampliar los datos de monitoreo ambiental y la evaluación de riesgo ecotoxicológico para ambas sustancias. La evaluación de riesgos proporciona un enfoque sistemático para caracterizar la naturaleza y la magnitud de los riesgos asociados con los peligros para la salud ambiental. Sin embargo, en países como Colombia, donde el uso del Clorpirifos está muy extendido, el número de investigaciones sobre la dinámica y el riesgo que implica la presencia de esta clase de sustancias en cuerpos de agua es limitado.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Chlorpyrifos]]></kwd>
<kwd lng="en"><![CDATA[Risk Assessment]]></kwd>
<kwd lng="en"><![CDATA[Aquatic ecosystems]]></kwd>
<kwd lng="en"><![CDATA[Degradation products]]></kwd>
<kwd lng="en"><![CDATA[Organophosphorus pesticides]]></kwd>
<kwd lng="en"><![CDATA[Colombia]]></kwd>
<kwd lng="es"><![CDATA[Clorpirifos]]></kwd>
<kwd lng="es"><![CDATA[evaluación de riesgos]]></kwd>
<kwd lng="es"><![CDATA[ecosistemas acuáticos]]></kwd>
<kwd lng="es"><![CDATA[productos de degradación]]></kwd>
<kwd lng="es"><![CDATA[pesticidas organofosforados]]></kwd>
<kwd lng="es"><![CDATA[Colombia]]></kwd>
</kwd-group>
</article-meta>
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