Can someone who downvoted this give a reason for it, please. An expert report regarding a final repository for highly radioactive materials published by the Ger

Can someone who downvoted this give a reason for it, please. An expert report regarding a final repository for highly radioactive materials published by the German Federal Office for Radiation Protection assumes a necessary isolation period in the order of 1 million years.[1] This is a period two orders of magnitute longer than the 10,000 years considered in the article. [1] Quoted at https://de.wikipedia.org/wiki/Endlager_(Kerntechnik)#Schutzziel https://de.wikipedia.org/wiki/Endlager_(Kerntechnik)#Schutzz... (in German).