[LayoutGuru2]

Ricin in the Senate Office Building
			Posted by SLB On 02/02/2004 6:03:21 PM PST with 2 comments CNN Breaking | 2 Feb 04 | CNN -- Preliminary field test on substance found in Senate office building indicates presence of biological agent ricin, Homeland Security official says.
Hazardous Substance Suspicious Powder Empties Some Offices at Senate Building
			Posted by pitinkie On 02/02/2004 5:25:53 PM PST with 44 comments abcnews.com ^ | 02/02/2004 Hazardous Substance Suspicious Powder Empties Some Offices at Senate Building Feb. 2— Some workers in a Senate office building were told to leave their offices today after preliminary testing indicated the presence of a hazardous substance. The U.S. Capitol Police said a suspicious powder substance was found at 3 p.m. in a room in the Dirksen Senate Office Building, located northeast of the Capitol. A preliminary test found that the substance was hazardous, the police said. Around 7:20 p.m. a message on the Senate's internal telephone alert system instructed employees in several offices on the south side of the building's...

[mfccinsd]

This article isn't the most current (8 hours old), but this one paragraph said something I'd not heard before about howthey though a bio attack could factor in...

http://www.cbsnews.com/stories/2004/02/02/terror/main597449.shtml

This is just the part that struck me...see link for whole article...

Three intelligence officials tell The Washington Post that the feared threats to the flights include the release of an undetectable biological agent like smallpox or anthrax, the release of a chemical agent that disables the crew so the plane can be hijacked, and sneaking a radiological device aboard a plane. These feared are based on vague intelligence.