Point I am making is... If you want to categorize these canisters as WMD, fine...
You want to count anything after one, mass, fine... by your definition, any weapon that can kill numerous (anything after 1) living beings is a WMD - including a hand grenade, which is only has an effective radius of 15 feet.
My take on the mass is not by volume, but area.
Please accept my apology
Accepted.
Agree to disagree.