<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31319926</termId><termName>calcium hypochlorite</termName><termType>PT</termType><termNote><![CDATA[ Water-soluble white, crystalline solid used as a bleaching agent, disinfectant, fungicide, and bactericide. It is the standard source of chlorine in water treatments. ]]></termNote><termCreatedDate>2026-03-30 20:26:13</termCreatedDate><relation><relationType>UF</relationType><termId>31319927</termId><termName>hypochlorite, calcium</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31305866</termId><termName>bleach</termName><termType>PT</termType></relation></term>  </Zthes>