Challenge Agent 2 : The chemical or mixture to which a material is exposed. Also called "attacking chemical". Chemical Detection Time - See: Breakthrough Time
DuPont (The Miracles of Science), Literature & Technical Information, Industrial Personal Protection Glossary, Wilmington, DE, USA 2010http://www2.dupont.com/Personal_Protection/en_ HK/tech_info/glossary_industrial.html, (IndPP - Amer) {49}