As the sun came up over West Virginia's Kanawha Valley after a scary night, thinking of chemical plant workers and their families .. a thread … /1

Neighbors with questions about a horrible explosion. Finding answers. Whether we’ve learned anything after going through this time and again.

There’s never enough information when the chemical siren goes off. What happened? Is everybody OK? What was released? How much? Should we shelter or run? /3

These questions were supposed to be answered after Bhopal, (36 years ago this month: https://t.co/iiUlu2Zk7t) with passage of the Emergency Planning and Community Right-to-Know Act https://t.co/wjaHnUzqMu in 1986. / 4

Some of this information - chemical inventories, worst-case scenarios, response plans - is available (try https://t.co/4ojZWa4nF6) . But too much is hidden away, especially after post-9/11 secrecy measures. /5