New available information for HBCDD On 19 June 2008, Norway nominated the flame retardant HBCDD as a possible Persistent Organic Pollutant (POP) under the UNEP Stockholm Convention on Persistent Organic Pollutants. The dossier submitted was a Nordic report showing that the substance was of global concern. At the meeting in 2008, the examination of the proposal was decided to be postponed to 2009. The initial assessment of the POP properties, according to the screening criteria set out in Annex D of the Convention, will start at the next meeting, POPRC 5 in October 2009.