en-us https://www.intensedebate.com/users/1097676 Comments by carlingkid http://listverse.com/2010/06/01/top-10-recent-american-industrial-disasters#IDComment78002253 Donora Smog isn't much compared the the great london smog or 'Pea Souper' of 1952, 4000 dead, 100,000 sickened, bad times. Tue, 1 Jun 2010 08:57:23 +0000 http://listverse.com/2010/06/01/top-10-recent-american-industrial-disasters#IDComment78002253