During his Thursday visit to the site of a fiery train derailment that may have poisoned a small eastern Ohio town with a range of highly toxic chemicals, the Environmental Protection Agency chief, Michael Regan, told residents: “All families need to know that they are safe.”…Federal agencies may not release the full list of chemicals for months.

‘Chernobyl 2.0’? Ohio Train Derailment Spurs Wild Speculation. – New York Times