Air Quality Studies

Puget Sound Regional Council
Air Quality Impacts of Transportation Projects Soliciting CMAQ Funding
Seattle, Washington
Contact: Nick Roach (206) 464-6843

This project quantified the air quality impacts by developing emission inventories for 21 transportation projects applying for 1993 Congestion Management Air Quality funds from the federal government. Projects in Snohomish, King and Pierce counties were examined including the City of Seattle's paving of roads in the Duwamish nonattainment area.

The Spokane Regional Council,the Puget Sound Regional Council & WSDOT-Eastern Region
CAL3QHC Training Workshops (4)
Spokane and Seattle, Washington
Contact: Glen Miles (509) 625-6370

We conducted four three-day workshops (2 in Seattle, 2 in Spokane) in the use of the EPA air quality model (Cal3qhc3) whose application is needed to secure state and federal funding for transportation projects. Over 60 transportation engineers and air quality modelers attended these sessions. Follow-up problem-solving assistance included phone consultations and the ongoing publication of a newsletter, "The CAL3QHC Modeler".

Inland Pacific Engineering
Mirabeau Point Mixed Use EIS- Air quality
Spokane, Washington
Contact: Tim Schwab (509) 458-6840

The air quality chapter for an EIS of a large mixed use project in Spokane. The intersection modeling and analysis encompassed the entire Pines Road corridor and indicated that mitigation measures were required to meet the National Ambient Air Quality Standards for CO. Mitigation included revised signal timing and additional right turn lanes.

Dames and Moore Consultants
1. Sunrise Corridor EIS
2. King Business Center- Indirect Source Permit
Contact: Susan Aha (503) 228-7688

Two air quality studies, one to meet the SEPA requirements of the Oregon Department of Ecology for the widening and/or relocation of 13 miles of a regional arterial and the second, the air quality analysis required for Oregon's Indirect Source Permit for a business park.

Weyerhaeuser Real Estate Company
1. Snoqualmie Ridge Non Project EIS
2. Parkway EIS
Snoqualmie Falls, Washington
Contact: George Cook (253) 924-2333

Two Air Quality Chapters for two EIS's. One a 2000 home, 2000 acre Master Plan Development centered around a PGA tournament golf course and the other a proposed extension of SR18 into the town of Snoqualmie. The effects of traffic and residential wood burning were analyzed.

Combined Air Quality and Noise Studies

UW-Cascade Community College EIS
Air Quality & Noise Chapters
Bothell, Washington
Contact: Tracy Black (425) 822-4446

The air quality and noise chapters for the EIS for a combined Campus serving a University of Washington branch facility and the Cascade Community College. Noise sources of the project include parking garages for 4200 vehicles, a centralized chiller system and mechanical equipment.

Horton Dennis & Associates
Air Quality & Noise Study for Lynnwood Park & Ride Lot #2
Lynnwood, Washington
Contact: Frank Matousek (425) 822-2525

An examination of the impact upon air quality and community noise levels resulting from the construction and operation of a 900 stall park and ride lot. Existing noise levels were measured and future impacts were modeled using the Stamina/Optima model.

Barghausen Engineers Inc.
Welcome-Lacey Project
Lacey, Washington
Contact: Jeff Potter (206) 251-6222

The air quality and noise EIS chapters for a 235 acre, 1500 unit residential community. Air quality impacts are from motor vehicles, residential wood use and construction activities. Noise impacts are from automobile traffic and an adjacent railroad mainline.

Seattle Public Utilities
South Recycling Center Demolition Debris Annex Project
Seattle, Washington
Contact: John Arnesen (206) 684-8921

A study of the air quality and noise impacts of a proposed recycling center and construction debris annex addition to the existing South Park Transfer Station. Air quality impacts are from motor vehicles, on-site heavy equipment and odors from solid waste and yard waste. Noise impacts are from automobile traffic and machinery used on site.

City of Corvallis
South Recycling Center Demolition Debris Annex Project
Corvallis, Washington
Contact: John Arnesen (206) 684-8921

A study of the air quality and noise impacts of a proposed recycling center and construction debris annex addition to the existing South Park Transfer Station. Air quality impacts are from motor vehicles, on-site heavy equipment and odors from solid waste and yard waste. Noise impacts are from automobile traffic and machinery used on site.