Hmm...
Chesto v toksikologijata logika njama, ili pone ne e ochevidna. Towa che freonite ne sa vredni ne pravi vsichki fluorirani proizvodni bezvredni. Ponjakoga toksichnostta e vapros samo na stereoizomer.....

A eto shto se otnasja do kotkata....

Naprimer:
"Potential exposure to carbonyl-fluoride occurs as a result of the thermal decomposition of polytetrafluoroethylene (PTFE) in air. Effects of acute exposure in animal studies included extreme malaise and weakness which preceded death. Subchronic exposure studies with PTFE pyrolysis products revealed pathologic changes in the respiratory tracts and livers of exposed animals..."

Tova e ot tuk:
http://www.bruha.com/science/html/ptfe.html
a sashto i na mnogo drugi mesta. Prosto potarsi v google za telfon and animals.
Vsashtnost okazva se che problemat e osnovno pri ptici:
http://abcnews.go.com/sections/2020/Living/Teflon_investigation_031114-4.html