https://www.infowars.com/posts/breaking-pipe-bombs-found-near-pennsylvania-railroad-tracks-behind-church/ Great care in transport of these chemical is paramount. They travel slow, they are well contained and at worst is a small leak if anything during a crash. This was preplanned sabotage in every case. Full chemical release, Mushroom clouds of chemical worse than small Nukes. Pipe bombs were used and carefully detonated not to harm the Perpetrator. Of course the Perpetrator does not live anywhere near the chemical attack. Military rule of thumb: Do not Blow up something that can more easily be Burned down.