The Montana Department of Environmental Quality announced Calumet Montana Refining, LLC has resolved violations of the Clean Air Act of Montana that occurred at the Calumet Refinery in Great Falls.
 

The Montana Department of Environmental Quality and Continental Resources, Inc., have resolved violations of the Clean Air Act of Montana that occurred at various well facilities in Richland County.  

The Montana Department of Environmental Quality announced Sinclair Oil and Gas Company has resolved a violations of the Clean Air Act of Montana that occurred at the Chisholm 1-3H well facility in Sheridan County.   

The Montana Department of Environmental Quality announced that Phillip Waltz has agreed to resolve violations of the Montana Underground Storage Tank Installer and Inspector Licensing and Permitting Act that occurred at the Lake Pit Stop and Wibaux Coop Oil Company underground storage tank facilities.

The Montana Department of Environmental Quality announced that Jerry Hollis, Jr., has agreed to resolve a violation of the Montana Underground Storage Tank Installer and Inspector Licensing and Permitting Act that occurred at the FedEx Ground underground storage tank facility in Billings.