Mustard Gas Leak at Umatilla Depot - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

Mustard Gas Leak at Umatilla Depot

HERMISTON, Ore.- Another mustard gas leak at the Umatilla Chemical Weapons Depot but authorities there aren't saying much about it.

The leak set off an internal alarm.

A press release says the leak was contained to the storage igloo where the containers were housed.

A filter system is in place and there is reportedly no danger to the public.

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