City Of Burien SAMP Update Environmental Issues (draft)

The environmental issues analysis of the City of Burien Seattle-Tacoma Airport Master Plan Update Studies focused on the following areas: noise and vibration; air quality; water resources: water quality and hydrology; wetlands; and floodplains; and aesthetics and visual. Appropriate EIS sections for each of these areas were reviewed for the following: 1. Evaluate the adequacy of the EIS studies; 2. Establish a baseline for potential project impacts; 3. Assess the impacts for both project construction and operation; and 4. Identify issues in the EIS and recommend methodologies to enhance the analysis. Following the Environmental Analysis, mitigation measures will be developed and recommended to minimize potential project impacts and to address the issues raised in the environmental analysis. The mitigation measures will be developed as part of a separate task and report (Mitigation Plan). ckwiWORDIOENNISIBURIENST .DOC ES-1 The results of the environmental analysis are summarized below. Noise and Vibration The EIS included information on both noise and vibration. The noise study used accepted models and methods of analysis to develop information on existing and future conditions. The study looked at aircraft and surface noise effects. Additional issues which will be addressed in the Mitigation Plan include the following : 1. Aircraft Noise Effects re-evaluation of data using the Integrated Noise Model, Version 5.1 when released because of additional features such as noise data for Boeing 777; additional information should be provided on the sound exposure levels (SEL) and the relationship to the day-night average sound level (DNL) , and health problems…

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Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]