PCDF 1 : Polychlorinated dibenzo furans - a group of structurally related chemicals which resist degradation and include a varying number of chlorine atoms
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}