CNN CNN Newsroom Live August 17, 2015 07:10:00
Talk about just how toxic it is. >> reporter: that site was a large chemical warehouse containing all sorts of toxic material. sodium cyanide is a chemical used in chemical manufacturing and in the mining industry. it's stuff that is easy to inhale. and if inhaled or ingested it can be lethal to humans quickly. we are talking about 700 tons of it lying around in the blast zone. that's why the military officer in charge are saying they are doing everything they can to handle this with the utmost care and methodically. if the material has leaked into the ground they have been building walls arou...