Air Quality | Air Resources Management Bureau | DEQ Environmental Assessments | Final Air Quality Permits

Air Quality Permits and Environmental Assessments
Public Comment and/or Appeal Periods
OP signifies Title V Operating Permit
All others are preconstruction permits
Permit Number
Facility/Permit		 Facility  Description/Source
Time Frame		 Permit/Application Location DEQ Contact
EA/TRD
2997-08 NorthWestern Energy Main Line #3 Compressor Station Natural gas compressor station Appeal period ends August 8, 2008 Section 8, Township 20 North, Range 4 West, Lewis & Clark county Julie Merkel See end of permit
3099-03 Kootenai Paving and Construction, Inc. Portable drum mix asphalt plant Appeal period ends 8/6/08 Various locations across Montana Christine Weaver See end of permit
3100-01 Knife River Corporation Portable cement batch plant appeal period ends 8/5/08 Various locations across Montana Christine Weaver None
2161-21 Montana Refining Company Petroleum Refinery Appeal period ends 8/4/08 NE ¼ of Section 1, Township 20 North, Range 3 East, Cascade County Moriah Peck None
4236-00 Northern Improvement Company Portable Drum Mix Asphalt Plant Public Comment Period Ends 8/15/08 Various Locations across Montana Kathleen Doran See end of permit
3142-02 Knife River Corporation Portable Drum Mix Asphalt Plant Appeal Period Ends 7/30/08 Various Locations across Montana Trista Glazier None
3023-01 Knife River Corporation Concrete Batch Plant Appeal Period Ends 7/30/08 Various Locations across Montana Trista Glazier None
2035-04 Colstrip Energy Limited Partnership Coal Fired Power Generation Facility Appeal Period Ends July 28,2008 North 1/2, Section 32, Township 3 North, Range 41 East in Rosebud County, Montana Trista Glazier None
4235-00 Fisher Sand & Gravel Portable diesel generator engine rated up to 1,372 horsepower (hp) Public Comment Period Ends July 31, 2008 Various locations across Montana Christine Weaver See end of permit
2997-08 NorthWestern Energy - Mainline #3 Natural Gas Compressor Station Public Comment Period Ends 07/23/08 Section 8, Township 20 North, Range 4 West, Lewis & Clark County Julie Merkel See end of permit
3099-03 Kootenai Paving and Construction, Inc. Portable asphalt plant Public Comment Period Ends July 21, 2008 Various Locations Across Montana Christine Weaver See end of permit
OP3185-00 Rocky Mountain Power, LLC Title V Operating Permit Appeal period ends 6/13/08 NW¼ of Section 12, Township 1 South, Range 33 East, in Big Horn Co. Jenny O'Mara Technical Review Document (TRD)
2655-02 Columbia Falls Aluminum Company LLC

 

 Title V Operating Permit Appeal period ends 05/29/08 2000 Aluminum Drive in Columbia Falls located in the NE¼ of the SE¼ of Section 3, Township 30 North, Range 30 West, in Flathead County. Julie Merkel Technical Review Document (TRD)
  ExxonMobil - Billings Refinery Title V Operating Permit Appeal period ends 12/03/07 South ½ of Section 24 & North ½ of Section 25, Township 1 North, Range 25 East, in Yellowstone Co. Christine Weaver Technical Review Document (TRD)
  Colstrip Energy Limited Partnership Title V Operating Permit Public comment period ends 7/30/07 North ½ of Section 32, Township 3 North, Range 41 East, in Rosebud Co. Trista Glazier Technical Review Document (TRD)
  Mines Management, Inc. The operation of a 20,000 ton-per-day (7,000,000 tons-per-year) underground silver and copper mine and processing facility known as the Montanore Mine. Public comment period ends 9/14/06 The Montanore Mine is located 15 miles south-southwest of the city of Libby Montana.  The mine covers portions of Sections 13, 14, 15, 23, 24, 26, and 35 in Township 28 North, Range 31 West, and Sections 1, 2, 3, 6, 11, 14, and 15 in Township 27 North, Range 31 West, in Lincoln County, Montana.  The Ramsey Creek plant site is located in Section 9, Township 27 North, Range 31 West. Eric Thunstrom None - an environmental impact statement is being completed by the Department of Environmental Quality and the United States Forest Service.
  Holcim (US) Inc.
Final Holcim EA		 A cement manufacturing facility proposing to use tires as a supplemental fuel. Public comment period TBA NE¼ of Section 9, SE¼ of Section 4, SW¼ of Section 3 & NW¼ of Section 10, Township 2 North , Range 2 East, in Gallatin Co. Dan Walsh See end of permit.