Substance at Utah IRS Building Not Hazardous Add Comment If this is your first time visiting National Terror Alert you may want to subscribe to our RSS feed. The National terror Alert feed features breaking news, alerts and bulletins on demand and it's free of charge.. You will only see this message on your first visit to the site. Thanks for visiting!Bio Threat - Ogden Utah An official with the U.S. Postal Inspection Service says a suspicious substance found at an IRS building in Odgen, Utah, is not hazardous. via Source.