<?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://tesauro.serviciokoha.com/vocab/">CONTAMINANTES</topic></authority><related type="other"><topic>CONTAMINACIÓN</topic></related><variant type="other"><topic>CONTAMINANTES ATMOSFÉRICOS</topic></variant><variant type="other"><topic>CONTAMINANTES ORGÁNICOS PERSISTENTES</topic></variant><variant type="other"><topic>CONTAMINANTES PRIMARIOS</topic></variant><variant type="other"><topic>CONTAMINANTES SECUNDARIOS</topic></variant> <note xml:lang="es">Cualquier elemento o combinación de elementos o formas de energía que produzcan alteración ambiental. </note></mads>