Exhibit 196: ACC’s Interrogatories Nos. 1-19 and Requests for Production Nos. 1-6 to Port Of Seattle and Port Of Seattle’s Objections and Responses Thereto

This legal document contains the Port of Seattle's responses to interrogatories filed by the Airport Communities Coalition (ACC) before Washington State's Pollution Control Hearings Board. The Port identifies expert witnesses expected to testify on topics including contaminated site cleanup, stormwater quality, wetland mitigation, and environmental review under SEPA and NEPA for Sea-Tac Airport's Master Plan Update projects. The document outlines each expert's anticipated testimony and the basis for their opinions in connection with Clean Water Act permit requirements.

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PCHB No. 01-160. Port Of Seattle’s objections and responses to Airport Communities Coalition (ACC) Interrogatories Nos. 1-19 and Requests for Production Nos. 1-6, filed before the Pollution Control Hearings Board of the State of Washington. Document identifies Port expert witnesses including Joseph Brascher (AquaTerra Consultants, HSPF modeling), Charles Ellingson (Pacific Groundwater Group, Hydrus and Slice modeling), Jan Cassin Ph.D. (wetland ecologist, Natural Resources Mitigation Plan), Charles Wisdom Ph.D. (water chemistry, stormwater discharges, Clean Water Act §404), Mary Vigilante (Synergy Consultants, SEPA/NEPA environmental review), William Dunlay Ph.D. (Leigh Fisher Associates), Mike Riley P.E. (S.S. Papadolpolous & Associates), Steve Swenson P.E. (R.W. Beck), and Paul Agid (Agreed Order, contaminated sites, Airport Operation and Maintenance Area). Topics include Low Flow Mitigation Plan, Master Plan Update (MPU) projects, §401 Certification, NRMP wetland mitigation, Parametrix, Pacific Groundwater Group, King County. Counsel: Foster Pepper & Shefelman, Marten Brown Inc.

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