not a big deal, nuke advocates claim. by now i hope we all know they're f$%ing liars. dr. helen caldicott writes: "Releases of tritium into the water supply should never be considered negligible, certainly not 73,000 liters. There seems to be a feeling on the part on the nuclear industry that the size of Lake Ontario makes contaminating it insignificant. This is not true. Tritium is a danger. See Fact Sheet on Tritium attached to video."