You beat me to it. DHMO is not water, folks.
Petr Beckman in one of his books on nuclear power pointed out that the U.S. produces far more lethal doses of chlorine every year than plutonium. The environmentalists took him to heart. They wanted to effectively outlaw the production of chlorine in the U.S.
This idiotic notion actually got some traction among brain-dead Markey Democrats during the latter years of the feckless Clinton administration. Had such a ban passed, the economic consequences would have truly been catastrophic.
And yet, the government does nothing about it.