<?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://AATesaurus.cultura.gencat.cat/aat/getty_en">biocide</topic></authority><related type="narrower"><topic>algicide</topic></related><related type="narrower"><topic>disinfectant</topic></related><related type="narrower"><topic>fungicide</topic></related><related type="narrower"><topic>herbicide</topic></related><related type="narrower"><topic>insecticide</topic></related><related type="narrower"><topic>fumigant</topic></related><related type="narrower"><topic>pesticide</topic></related><related type="narrower"><topic>oxygen absorber</topic></related><related type="narrower"><topic>bactericide</topic></related><related type="broader"><topic>biological control agents</topic></related><variant type="other"><topic>biocides</topic></variant> <note xml:lang="en"><![CDATA[ Any chemical that is toxic or lethal to living organisms. ]]></note></mads>