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Northwest Pipeline Corporation


  1. Name of the facility:
      Northwest Pipeline Corporation

  2. Location:
      3 km east of Sumas, Washington. Whatcom County. UTM Coordinates: 557127 meters east, 5427616 meters north.

  3. Distance from the US/Canada border:
      1 mile

  4. Type/size of the facility:
      Existing 41,200 horsepower natural gas pipeline compressor station utilizing two combustion turbines and six reciprocating engines. Applicant proposes to install one additional turbine to increase capacity by 12,841 horsepower @ 59F. Applicant also proposes to replace the engines of the two existing turbines with new, lower emitting engines.

  5. Source of emissions:
      Natural gas fired turbines and reciprocating engines

  6. Type of fuel:
      Natural gas

  7. Type/quantity of emissions:
    &
  8. Emission control technology:

    For installation of one new gas fired combustion turbine and replacement of engines at two existing turbines, maximum permitted potential to emit and net emissions increase of the three units considering controls:

    Pollutant Quantity
    of
    Emissions
    (tons / yr)
    Past Actual
    Emissions 1/99 to
    12/00 for two
    removed turbine
    engines (tons / yr)
    Net Emissions
    Increase
    (tons / yr)
    Emission Control Technology
    PM10 8.68     Pipeline natural gas & good combustion practices
    SO2 4.47     Pipeline natural gas & good combustion practices
    NOx 130.86 94.6 36.26 Pipeline natural gas, good combustion practices & SoLoNOx™
    VOC 9.12     Pipeline natural gas & good combustion practices
    CO 159.33 8.5 131 Pipeline natural gas & good combustion practices
    HAP 1.6     Pipeline natural gas & good combustion practices

  9. Date permit application received:

  10. Stack height and diameter:
      Stack 1 (new turbine):
      Height: 39.41 feet
      Square Width: 7.5 feet

      Stack 2 (replacement engine):
      Height: 39.41 feet
      Square Width: 7.5 feet

      Stack 3 (replacement engine):
      Height: 39.41 feet
      Square Width: 7.5 feet

  11. Permit agency's contact name, address, telephone number:
      State of Washington Department of Ecology
      Air Quality Program
      Attn: Bob Burmark
      P.O. Box 47600
      Olympia, WA 98504-7600

      Phone: 360.407.6812

      Northwest Air Pollution Authority
      Attn: Dan Mahar
      1600 South 2nd Street
      Mount Vernon, WA 98273-5202

      Phone: 360.428.1617, ext 203

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