"hazardous Material" for the entire US?
here is further explanation (the only one i can find) :
EERIE: HACKED EMERGENCY MESSAGE FORESHADOWED DEVASTATING NJ TRAIN CRASH: “WOULD YOU? COULD YOU? ON A TRAIN?”
Adding to the long list of 'concerns' this video creates one is definitely that the FEMA Emergency system can be 'hacked'
Update:
Apparently , yes the words are from "Green Eggs and Ham"
http://www.lyricsfreak.com/d/dr+seuss/green+eggs+and+ham_20208487.html
A train! A train!
A train! A train!
Could you, would you
on a train?
Wow, I don't know what to think of that!