<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">CONTAMINANTES</topic></authority><related type="narrower"><topic>CONTAMINANTES ORGANICOS DEL AGUA</topic></related><related type="narrower"><topic>DEPOSICION DE ACIDO</topic></related><related type="other"><topic>CONTAMINACION</topic></related><related type="other"><topic>PESTICIDAS</topic></related><related type="other"><topic>METALES PESADOS</topic></related><related type="other"><topic>BIOCIDAS</topic></related><related type="other"><topic>VENENOS</topic></related><related type="other"><topic>ALCALOIDES</topic></related><related type="other"><topic>ASBESTO</topic></related><related type="other"><topic>CONTAMINACION RADIACTIVA</topic></related><related type="other"><topic>EXPLOSIVOS</topic></related><related type="other"><topic>FERTILIZANTES</topic></related><related type="broader"><topic>PRODUCTOS QUÍMICOS</topic></related><variant type="other"><topic>Agentes contaminantes</topic></variant><variant type="other"><topic>Contaminación--Control</topic></variant><variant type="other"><topic>Contaminación--Prevención</topic></variant><variant type="other"><topic>Contaminación química</topic></variant><variant type="other"><topic>Contaminantes ambientales</topic></variant><variant type="other"><topic>Oxidantes fotoquímicos</topic></variant><variant type="other"><topic>Ozono troposférico</topic></variant> <note xml:lang="es">Usese para las obras sobre las sustancias que contaminan o degradan el medio ambiente. Los trabajos sobre la condición que resulta de la acción de los contaminantes ambientales entran bajo Contaminación </note></mads>