[kgw.com] OREGON - HazMat team checking white powder at federal courthouse in Portland

"Tests showed a suspicious white powder found in the mail room of the Mark O. Hatfield U.S. Courthouse in downtown Portland were negative for any poison, authorities told KGW."

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http://www.kgw.com/news/local/HazMat-team-called-for-white-Powder-at-Portland-office-149147505.html