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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">CONTAMINACION DEL AGUA</topic></authority><related type="narrower"><topic>BASURA Y APROVECHAMIENTO DE BASURA</topic></related><related type="narrower"><topic>CALIDAD DEL AGUA</topic></related><related type="narrower"><topic>CONTAMINACION DE RIOS, (LAGOS, ETC.) POR DETERGENTES</topic></related><related type="narrower"><topic>CONTAMINACION MARINA</topic></related><related type="narrower"><topic>CONTAMINACION RADIACTIVA DEL AGUA</topic></related><related type="narrower"><topic>CONTAMINACION TERMICA DE RIOS, LAGOS, ETC</topic></related><related type="narrower"><topic>DISPOSICION DE AGUAS RESIDUALES</topic></related><related type="narrower"><topic>DISPOSICION DE AGUAS RESIDUALES EN RIOS, LAGOS, ETC</topic></related><related type="narrower"><topic>FUENTES DE CONTAMINACIÓN NO PUNTUALES</topic></related><related type="narrower"><topic>GASES DE ESCAPE EN AVIONES</topic></related><related type="narrower"><topic>PETROLEO COMO CONTAMINANTE DEL AGUA</topic></related><related type="narrower"><topic>RESIDUOS INDUSTRIALES</topic></related><related type="narrower"><topic>SALUD AMBIENTAL</topic></related><related type="broader"><topic>ABASTECIMIENTO DE AGUA</topic></related><related type="broader"><topic>ANALISIS DEL AGUA</topic></related><related type="broader"><topic>SALUD PUBLICA</topic></related><related type="broader"><topic>LEY DE AGUAS</topic></related><related type="broader"><topic>HIGIENE</topic></related><related type="broader"><topic>QUIMICA AMBIENTAL</topic></related><related type="broader"><topic>RIOS</topic></related><variant type="other"><topic>Agua--Contaminación--Prevención y control</topic></variant><variant type="other"><topic>Agua contaminada</topic></variant><variant type="other"><topic>Contaminación de aguas</topic></variant><variant type="other"><topic>Contaminación de ríos</topic></variant><variant type="other"><topic>Ríos--Contaminación</topic></variant></mads>