CNN Anderson Cooper 360 January 11, 2014 01:28:00
With the water, don't cook with it even, don't even bath in it. people are being told they can flush their toilets but that is about it. senior medical correspondent elizabeth cohen joins me from charleston, west virginia with the latest. this is unbelievable. how dangerous is this chemical if people are exposed to it? >> reporter: so anderson, we know if you're exposed to this chemical undiluted, it's harmful if swallowed. it's an irritant to your eyes and skin. what we don't know is how dangerous it is when it's diluted. there's no question it's very diluteded in this situation. it's gone th...