Can you eat it, can you drink it, can you breath it?
Does it actively destroy/damage other living things that come with in proximity of it knowingly or not?
Does it pollute when used? Now we can have a similar debate on the word pollute.
Does it make the air/ground/water toxic from the use of it?
Can it be freely released without harmful side effects without being securely contained.
Yes.
> Does it actively destroy/damage other living things that come with in proximity of it knowingly or not?
No.
> Does it pollute when used? Now we can have a similar debate on the word pollute.
No.
> Does it make the air/ground/water toxic from the use of it?
No.
> Can it be freely released without harmful side effects without being securely contained.
Yes.
Most human activities, including all methods of power production except hydro (and it has other problems), would fail this standard.
That is a reason to treat sewage, not ban soap.