 |
Example Projects
50 MW Power Plant Air Operating Permit (Tacoma, WA)
Developed Title V air operating permit for fluidized bed power plant, firing coal, wood waste and refuse-derived fuel, including emission inventories, applicable regulations, and compliance demonstration and monitoring methods. In addition to the conventional state and local regulations, this plant was potentially subject to Prevention of Significant Deterioration permit conditions, non-attainment area conditions, New Source Performance Standards, and specialized state and local regulations. We presented technical arguments which allowed the agency to accept modifications to the permit that opened up restrictions on the plant and allowed it to certify compliance.
Transit Systems Operations Base Air Quality Study (Whatcom County, WA)
This study for an Environmental Impact Statement required the development of bus operations and construction period emission inventories and estimation of impacts near adjoining intersections and roadways and around a parking area. By demonstrating conformity with air quality standards, the transit agency was able to obtain federal funding for the project.
Meteorological Monitoring Tower and Data QA/QC (Kodiak, AK)
Prepared Quality Assurance Project Plan (QAPP) for development of a meteorological monitoring tower at the Kodiak Generating Station. Because potential tower locations were constrained and with significant potential obstructions to air flow, Envirometrics conducted a CFD analysis of the proposed location to demonstrate data would comply with guidelines. (If you have a browser that can see movies, move your mouse over the picture to see a dynamic visualization of the flows across the building.) Quality Assurance procedures and Quality Control activities were described in the QAPP. The tower and meteorological equipment were delivered to Kodiak and installed at the station. Meteorologial data were downloaded daily and assembled into weekly, monthly and quarterly reports.
Manufacturing Facility Air Toxics Study (Bellevue, WA)
Prepared review of ambient impacts which required meteorological dispersion modeling in a narrow valley using complex terrain models. Contrary to earlier modeling by the agency, which resulted in an order to install expensive control equipment, this review showed the standards are achieved without additional controls.
12 MW Diesel Generator Power Plant PSD Application (Kotzebue, AK)
Prepared Prevention of Significant Deterioration (PSD) application package, including estimates of ambient air concentrations on steep slopes using the CTDMPlus model, estimates of NOx using Ozone Limiting Method, and Best Available Control Technology (BACT) cost-effectiveness review.
Arterial Widening Air Quality Study (Snohomish County, WA)
Estimated ambient concentrations for several alternative roadway upgrades. This project included modeling two non-signalized intersections, which required use of a special model of vehicle queuing behavior. The "do-nothing" alternative was shown to have the most adverse air quality impacts.
75 MW Combustion Turbine Power Plant Siting Study (Western WA)
Identified and recommended potential sites for a combustion turbine peaking power generating station, based on land availability, pipeline location, and environmental compatibility, including compliance with all air quality regulations and minimizing the time required for obtaining permits.
Industrial Complex Air Monitoring Network (Camacari, Bahia, Brazil)
Developed a constructed meteorological data set and carried out an air dispersion modeling study to select sites for ambient air quality monitoring network stations at this large petrochemical and industrial complex.
|
