The United States Coast Guard says that two Coast Guard members have been exposed to an unknown white substance while handling mail. Emergency crews are responding.
Emergency crews are responding to Coast Guard Base Seattle after 2 Coast Guard members were exposed to an unknown white substance while handling mail.
— USCGPacificNorthwest (@USCGPacificNW) March 26, 2018
The scene has been cleared and the substance posed no danger. The two Coast Guard members exposed were quarantined, but showed no signs of illness. (source)[wordads]