toxic dust, 9/11

November 19, 2010 - 3:30 PM
In this Sept. 13, 2001 file photo, firefighters and emergency personnel remove debris from the site of the World Trade Center towers' collapse in New York. More than 10,000 people have joined a legal settlement that will pay hundreds of millions of dollars to workers exposed to the tons of toxic dust that blanketed Lower Manhattan after the World Trade Center fell, officials announced Friday, Nov. 19, 2010. (AP Photo/Stephen Chernin, File)