Gas chambers in America used hydrogen cyanide for executions and had to be forcefully heated first in order for the execution to work.
There’s no way some shed in Poland was hot enough to conduct mass gassings.
Gas chambers in America used hydrogen cyanide for executions and had to be forcefully heated first in order for the execution to work.
There’s no way some shed in Poland was hot enough to conduct mass gassings.
boiling point 26° C [79° F]
So sunlight is enough to make it evaporate.