Security Scare at NASA HQ

Authorities investigate white powder at NASA HQ, AP
“Authorities are investigating a suspicious white powder found in an envelope at NASA headquarters in Washington. D.C. fire department spokesman Pete Piringer says hazardous materials teams have been sent to NASA headquarters in northwest Washington. Piringer says a call came in from someone who reported finding an envelope with white powder.”
White powder at NASA HQ not toxic, DC fire says, AP
“Piringer says the caller was on the building’s ninth floor and the immediate area was evacuated, but not the entire building. Threats were not received and crews determined the substance was not toxic.”