<?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>0120-2804</journal-id>
<journal-title><![CDATA[Revista Colombiana de Química]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Colomb.Quim.]]></abbrev-journal-title>
<issn>0120-2804</issn>
<publisher>
<publisher-name><![CDATA[Departamento de Química,  Universidad Nacional de Colombia.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-28042017000200037</article-id>
<article-id pub-id-type="doi">10.15446/rev.colomb.quim.v46n2.60533</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Metales pesados (Cd, Cu, V, Pb) en agua lluvia de la zona de mayor influencia de la mina de carbón en La Guajira, Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Heavy metals (Cd, Cu, V, Pb) in rainwater in the most influence area of the coal mine in La Guajira, Colombia]]></article-title>
<article-title xml:lang="pt"><![CDATA[Metais pesados (Cd, Cu, V, Pb) na água de chuva na área de influência da mina de carvão em La Guajira, Colômbia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Doria-Argumedo]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de La Guajira Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Riohacha ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<volume>46</volume>
<numero>2</numero>
<fpage>37</fpage>
<lpage>44</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-28042017000200037&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-28042017000200037&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-28042017000200037&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Con el objetivo de medir la influencia que ejercen las actividades mineras de la explotación del carbón sobre la calidad del aire en las comunidades ubicadas en el área de influencia al norte de Colombia, se realizó una medición de los niveles de los metales pesados Cu, Cd, V y Pb en 21 muestras de agua lluvia. Este estudio se realizó por periodo de un año, mediante espectrometría de absorción atómica electrométrica. El promedio de las concentraciones de los metales fueron: Cu 23,47 ± 13,97 µg/L, Cd 4,72 ± 3,29 µg/L y V 11,25 ± 6,75 µg/L. Los resultados sugieren que la atmósfera no se encuentra contaminada por Pb, pero las actividades mineras (las excavaciones y voladuras, la combustión de combustibles fósiles, de crudos de petróleo y gasoil, las fuentes de tráfico vehicular, etc.) afectan significativamente la presencia y los niveles de los demás metales incluidos en el estudio. La contaminación en la zona influye en que el agua lluvia no cumpla con las normas de calidad, tanto a nivel nacional como internacional, ya que los parámetros de pH y Cd superan los límites permisibles y por tanto no es apta para el consumo humano.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract To measure the influence of coal mining activities on air quality in northern Colombia, a first approach was made to assess pollution by measuring the levels of the heavy metals Cu, Cd, V, and Pb in 21 samples of rainfall over a one year period, by the electrothermal atomic absorption spectrometry technique. The average concentrations of metals in the study area in wet precipitation were: Cu 23.47 ± 13.97 µg/L, Cd4.72 ± 3.29 µg/L y V 11.25 ± 6.75 µg/L. The results suggest that the atmosphere is not polluted by Pb, but mining activities (excavation and blasting, combustion of fossil fuels, crude oil and gas oil, and vehicular traffic sources) may significantly affect the presence and the levels of the other studied metals. Contamination in the area makes rain water infringe the quality standards, both nationally and internationally, since the parameters of pH and Cd exceed the permissible limits, therefore it is not suitable for human consumption.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A fim de medir a influência que exercem as atividades de mineração de carvão sobre a qualidade do ar nas comunidades localizadas na área de influência ao norte da Colômbia, foram medidos os níveis de metais pesados Cu, Cd, V e Pb em 21 amostras de água da chuva. Este estudo foi feito ao longo de um ano, mediante espectrometria de absorção atômica eletrométrica. As concentrações médias dos metais foram: Cu 23,47 ± 13,97 µg/L, Cd 4,72 ± 3,29 µg/L e V 11,25 ± 6,75 µg/L. Os resultados sugerem que a atmosfera não está contaminada por Pb, mas as atividades de mineração (escavação e detonação, a queima de combustíveis fósseis, petróleo bruto e diesel, e o tráfego de veículos) afetam significativamente a presença e os níveis dos outros metais incluídos no estudo. A poluição faz que a água da chuva não atenda aos padrões de qualidade, tanto a nível nacional como internacional, posto que os parâmetros de pH e Cd excedem os limites admissíveis e, portanto, fazem que à água seja imprópria para consumo humano.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Actividades mineras]]></kwd>
<kwd lng="es"><![CDATA[agua de lluvia]]></kwd>
<kwd lng="es"><![CDATA[espectrometría de absorción atómica electrométrica]]></kwd>
<kwd lng="es"><![CDATA[metales pesados]]></kwd>
<kwd lng="en"><![CDATA[Mining activities]]></kwd>
<kwd lng="en"><![CDATA[rainwater]]></kwd>
<kwd lng="en"><![CDATA[electrothermal atomic absorption spectrometry]]></kwd>
<kwd lng="en"><![CDATA[heavy metals]]></kwd>
<kwd lng="pt"><![CDATA[Mineração]]></kwd>
<kwd lng="pt"><![CDATA[águas pluviais]]></kwd>
<kwd lng="pt"><![CDATA[espectrometria de absorção atômica eletrométrica]]></kwd>
<kwd lng="pt"><![CDATA[metais pesados]]></kwd>
</kwd-group>
</article-meta>
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