Even then, always wearing safety glasses isn't necessary if properly trained personel is handling these substances. If they are so strong it becomes worrysome they need to be handled in a fume closet either way.
General rules:
Exceptions may be made at the discretion of the mods.
Even then, always wearing safety glasses isn't necessary if properly trained personel is handling these substances. If they are so strong it becomes worrysome they need to be handled in a fume closet either way.