Calumet conducting evacuation drill Wednesday morning
Calumet Montana Refining, LLC is holding an evacuation drill at 10 a.m. Wednesday.
The drill is expected to last 45 minutes to an hour and the whistle will be used with a series of blasts and one long blast. The sirens and whistles will be audible to neighboring areas and the general public.
The drill is only for Calumet employees and is no cause for alarm.