Exhibit 225: Curriculum Vitae of W.A. Rozeboom, M.B.A., P.E. — Northwest Hydraulic Consultants

This document is a professional resume for W.A. Rozeboom, a civil engineer and hydrologist with 20 years of experience in water resources management, surface water hydrology, and hydraulic modeling. His work has focused primarily on flood control, stormwater management, floodplain mapping, and water rights administration in Washington State, Hawaii, and other regions. This document does not appear to contain content directly relevant to Sea-Tac Airport noise policy.

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Curriculum vitae (CV) for W.A. Rozeboom, M.B.A., P.E., hydrologist and senior engineer with Northwest Hydraulic Consultants (NHC), Seattle office, filed as Exhibit 225 (AR 018867) in a Pollution Control Hearings Board (PCHB) proceeding related to the Sea-Tac Airport third runway EIS. Details 20 years of water resources management and engineering experience including surface water hydrology, hydraulics, streamflow gaging, sediment sampling, HEC-1 and HEC-2 modeling, HSPF simulation, FEMA floodplain mapping, stormwater design, and Puget Sound stormwater quantity and quality controls. Projects include North Fork Issaquah Creek floodplain mapping, Nevada flood insurance hydrology studies (Washoe County, North Las Vegas Wash), Cowlitz River flood analysis (Mossyrock Dam, FERC), Snoqualmie Ridge and Falls Crossing Master Drainage Plan reviews, Mount Pinatubo regional hydrologic analysis (COE Technical Report GL-94-16), watershed assessments for Washington State Department of Ecology (DOE) covering Deschutes, Snohomish, and Walla Walla Water Resource Inventory Areas, and King County Cedar Hills landfill gaging. Prior experience includes Hawaii Commission on Water Resource Management implementing the 1987 Hawaii Water Code.

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