Let me guess, the panel was composed of a greenpeace member, a ALF member and a ELF member.
More than likely, it was made up of benefactors of the Trial Lawyers who are just finishing off the asbestos industry, and cannot wait for peer-reviewed studies which might slow things down on the looting and plunder schedule.
ANY polymer (Nylon, Acetal, and especially PVC) will pyrolize to yeild toxic compounds. At a higher temperature, PTFE* can as well.
This one is just too easy to penetrate.
* telomer.