Res-2018-122 PSA CenturyWest - Laserfiche WebLink

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Products: A draft of the Floodplains Assessment report will be provided for review by the FAA and the County for review and comment. Review comments will be addressed in the final report. Task 3.6 -Air Quality Objective: To provide an analysis of the impacts of the projects to the local air quality . Approach: The Consultant will coordinate with the Department of Ecology (Ecology) Central Regional Office to identify regional air quality concerns and potential impacts, as needed. Kittitas County is not within an air quality non-attainment or maintenance area and Bowers Field is therefore not required to provide documentation for compliance with EPA's General Conformity Regulations. EPA's general conformity guidance for airports encourages airport operators to 1) develop comprehensive emissions inventories for their facilities, 2) generate estimates of future activities and associated emissions, and then 3) work with local and state air quality agencies to ensure that any corresponding maintenance plans accurately reflect and account for all emissions at the airport and growth rates for operations at the airport. Products: The Consultant will complete a conformity evaluation based on an emissions inventory. The conformity evaluation will be conducted in a qualitative manner and will not include air emissions modeling software analysis (e.g., SPECIATE, PM Calculator). A summary of the conformity evaluation will be provided within the Air Quality section of the EA. Task 3.7 -Greenhouse Gas (GHG) Emissions/Climate Objective: To provide an analysis of the impacts of the projects to the local air quality . Approach: The Consultant will review the environmental impacts of the proposed project alternatives considering GHG emissions. The review will consider the potential incremental change in GHG emissions from the proposed project and alternatives compared to the no-action alternative for the same timeframe. The summary report will discuss the context for interpreting and understanding the potential changes and identify suitable mitigation techniques. Products: The Consultant will gather this information and provide a summary of the Greenhouse Gas emissions and any subsequent potential impacts of the projects on the local air quality. Task 3.8 -Affected Environment Objective: Consultant will update the 2016 Environmental Inventory prepared for the Sponsor based on a field visit to the site and desktop research The Environmental Inventory is intended to reference any known or potential environmental conditions or issues that could be affected by proposed airport development projects or that have been identified in recent environmental efforts conducted on the airfield. It documented land uses, water quality issues, drainage patterns, flood issues, parks and recreational areas, and hazardous materials as well as other potential impacted categories. Approach: The consultant will verify the information in the 2016 Environmental Inventory and update it if necessary to reflect current conditions within the direct and indirect study areas. Regulatory Bowers Field Airport Improvements EA April 27, 2018 11