[Amelia]

18-24 hours and ingested is the delivery method of choice with it.

When they were first talking about the British incident, they said it wouldn't be effective in water because it would be too diluted, and that inhalation or injection were the delivery methods of choice?

Google time, I guess....

[TrappedInLiberalHell]

But imagine if they did put Ricin in the water, and this were announced (even if it were stated that the levels were far, far too low to be dangerous). Don't you think that would cause a panic of sorts? Maybe the officials would keep it quiet unless it were truly dangerous. And I'm not so sure they'd be wrong to do so. They'd be preventing the hoped-for terror.