EXH1155044092

FROM: John Stnmk, Associated Earth Sciences Inc. Mike Riley, S.S. Papadopulos & Associates, Inc. DATE: January 31, 2000 CC: Paul Agid, Port of Seattle Mike Staton, Maul Foster & Alongi, Inc. Subject: Response to Ecology Comments Conceptual Flow Model Boundary Presentation Ground Water Study Seattle-Tacoma International Airport On January 13, 2000, Paul Agid, Port of Seattle verbally transmitted your (Ecology) comments on the Conceptual Flow Model Boundary Presentation that was presented to you on December 8, 1999. The following memo is a summary of our understanding of your comments and provides a response to each of your comments. Please let us know if we have interpreted you comments accurately and if you require additional clarification or detail. 1) Comment: Ecology has no issues with the proposed model setup. Response: The model boundary conditions aspresented covers approximately 36 square miles. The model area will consist of constant head boundaries along Puget Sound to the west, and the western edge of the Duwamish River Valley. No Flow Boundaries will be applied to the north and south of the model area and will be outside of areas of influence from public water supply systems. 2) Comment: Ecology would like have an "on-screen" demonstration of the current model setup. Response: A demonstration has been scheduled for February 3, 2000 at the Port of Seattle which will enable Ecology to view the current status of the MODFLOW model set-up and current configuration of the physical layout of model layers and hydrology. 3) Comment: Ecology would…

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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 [...]