<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="abcb-glossentry" ?><abcb-glossentry id="_0fd1c6f9-50b2-4e0c-bda6-25c2bf33379f" outputclass="abcb-glossentry"><glossterm id="_d21c6724-1ebb-4127-a708-ba4a74b039fa">Backflow prevention device</glossterm><glossdef outputclass="glossdef"><p>An air gap, break tank or mechanical device that is designed to prevent the unplanned reversal of flow of water or <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1228_0.6.0.xml#_a7483c3c-cd8a-4c37-8f2b-8e4fba0e0989" id="_5647b2d4-e100-4129-bcae-033713e10933" scope="local" type="abcb-glossentry">contaminants</xref> into the water service or a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1376_4.2.0.xml#_12d6153c-4986-4856-80c0-e21bb57af12f" id="_81202941-5bef-4b91-9bde-67ce9702dae2" scope="local" type="abcb-glossentry">Network Utility Operator’s</xref> water supply.</p></glossdef></abcb-glossentry>