<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31306087</termId><termName>hazardous substance</termName><termType>PT</termType><termNote><![CDATA[ Any material that is by its nature or context toxic, corrosive, flammable or combustible, an irritant, a strong sensitizer, or that generates pressure through decomposition, heat, or other means. ]]></termNote><termCreatedDate>2026-03-30 20:22:21</termCreatedDate><relation><relationType>UF</relationType><termId>31306088</termId><termName>hazardous substances</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31306089</termId><termName>substance, hazardous</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298940</termId><termName>materials by property</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31320401</termId><termName>hazardous waste</termName><termType>PT</termType></relation></term>  </Zthes>