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US/Canada Air Quality Agreement - Permitting Information

  1. Facility Information :
      Plum Creek Manufacturing, Inc.
      Columbia Falls Operations

  2. Location:
      Section 7 and SW1/4 Section 8, Township 30 North, Range 20 West, Flathead County.

      Columbia Falls Operations
      P.O. Box 160
      Columbia Falls, Montana 59912

  3. Distance from U.S./Canada border:
      Facility is approximately 85 km from the U.S./Canada border.

  4. Type and size of Facility:
      Facility consists of three plants all located at the same site: the sawmill, the plywood mill, and the medium density fiberboard (MDF) plant.

      Input capacity of wood-fired Stoker boiler is 292.4 MMBtu/hr. Three natural gas-fired boilers with design capacities of 20,000, 10,500, and 22,500 lbs/hr of steam.

  5. Source of Emissions:
      2 MDF fiber dryers, two plywood veneer dryers, a wood-fired boiler, three gas-fired boilers, various baghouses from the plywood process and the MDF process, many planer, plywood, and MDF cyclones, fugitive dust from mill vehicles and log yard activity.

  6. Type of Fuel:
      Wood waste and natural gas.

  7. Type and Quantity of Emissions:
      Emissions increases (and decreases) due to modification:

      Particulate - 156.0 TPY
      PM-10 - 89.8 TPY
      NOx 8.0 TPY
      VOC 94.0 TPY
      CO 9.0 TPY
      SO2 0.05 TPY

      Modification is major for VOC's only, thus only VOC's need to be addressed in the BACT analysis. Area is nonattainment for PM-10.

  8. Emission Control Technology:
      No additional controls for the MDF dryers.

  9. Date Permit Application Received:
      Not applicable. State of Montana issued the final construction permit on April 17, 1995. Permit #2667-05.

  10. Stack Height and Diameter:
      Not known.

  11. Permit Agency Contact:
      Jeff Briggs, Environmental Engineer
      Montana Department of Health & Environmental Sciences
      Air Quality Division
      836 Front Street
      P.O. Box 200901
      Helena, Montana 59620-0901
Data entered : 12-12-96



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