Senate Powder Tests Positive for Ricin February 3, 2004 12:20 AM EST WASHINGTON - Preliminary tests of a white powder discovered in a Senate office building Monday were positive for the potentially deadly poison ricin, the U.S. Capitol Police chief said. Two out of three tests indicate ricin, Chief Terrance Gainer said at a late-evening news conference. The third test came out negative, and a fourth, more definitive test was under way, with results expected Tuesday. Sixteen people who were on the floor where the white powder was discovered on mail were being decontaminated and would be allowed to go...
