Northwest Pipeline Corporation - Permitting Information
1. Facility Information
Northwest Pipeline Corporation
2. Location
Mount Vernon, Washington. Skagit County. 48øN 25'19" latitude, 122øW 12'58" longitude.
3. Distance from US/Canada Border
30 miles
4. Facility Type and Size
Existing 12,424 horsepower natural gas pipeline compressor station utilizing two combustion turbines. Applicant proposes to install two additional turbines to increase capacity by 17,341 horsepower @ 59øF .
5. Sources of Emissions
Natural gas fired turbines
6. Type of Fuel
Natural gas
7. Type and Quantity of Emissions
&
8. Emission Control Technology
For two new gas fired combustion turbines (additional 17,341 horsepower @ 59øF), maximum permitted potential to emit considering controls:
| Pollutant | Quantity of Emissions (tons / yr) |
Emission Control Technology |
|---|---|---|
| PM10 | 4.1 | Pipeline natural gas & good combustion practices |
| SO2 | 2.1 | Pipeline natural gas & good combustion practices |
| NOx | 61.8 | Pipeline natural gas, good combustion practices & SoLoNOx™ |
| VOC | 21.6 | Pipeline natural gas & good combustion practices |
| CO | 75.3 | Pipeline natural gas & good combustion practices |
| HAP | 0.8 | Pipeline natural gas & good combustion practices |
9. Date Permit Application Received
December 3, 2001. Draft permit proposed to public June 24, 2002.
10. Stack Height and Diameter
Stack1:
Height: 50 feet
Square Width: 4 feet
Stack 2:
Height: 40 feet
Square Width: 8.46 feet
11. Permit Agency Contact
State of Washington Department of Ecology
Air Quality Program
Attn: Bernard Brady
P.O. Box 47600
Olympia, WA 98504-7600
Phone: 360.407.6803
Northwest Air Pollution Authority
Attn: Lester Keel
1600 South 2nd Street
Mount Vernon, WA 98273-5202
Phone: 360.428.1617, ext 209