Originally posted by Species1571:

Sounds like you are talking about the refinery, I was talking about the refined eitr itself. I just stuck it in a chest and it's ok. It was more a warning for anyone else who doesn't expect the eitr to cause damage when lying on the floor.

Both the refinery and eitr them selves will emit those tachyon particles. Kinda wierd they stop in chests but I'll take it.