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Saturday, December 4, 2004

Depot workers cleared after medical tests

HERMISTON — The two workers who opened a wrong door at the chemical weapons disposal facility Wednesday night were cleared to go back to work Friday after medical tests showed no sign of exposure, according to Rick Kelley, Washington Demilitarization Co. spokesman.

Umatilla Chemical Depot officials halted destruction of sarin-filled M55 rockets Thursday after the workers entered a wrong door at the disposal facility and allowed trace amounts of the nerve agent to escape filter units Wednesday night.

There was no release into the atmosphere, officials said, and the medical tests showed no trace of contamination with the workers.

Sarin, also known as GB, is a clear, colorless liquid used in chemical warfare. If inhaled or touched, it attacks a person’s nervous system and is usually fatal.

Washington Demilitarization operates the disposal facility for the U.S. Army.

The two unidentified workers, both male and wearing minimum protective gear, were preparing to test a motor in the heating and cooling system for the plant, which operates separately from filtering units that clean the furnaces.