Exhibit 207: Desk Manual for Ecology’s Federal Permit Team — 401/CZM Review

This is a procedural desk manual for Washington State Department of Ecology's Federal Permit Team, outlining how staff should review and process Section 401 Water Quality Certifications and Coastal Zone Management (CZM) consistency determinations for federally permitted projects. It covers application procedures, public notice requirements, review timelines, and technical guidance for evaluating impacts to water quality, wetlands, and sediments. This document does not contain content related to Sea-Tac Airport noise policy.

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Exhibit 207 (AR 018555–018557) from the PCHB Third Runway EIS proceedings. Desk Manual for the Washington State Department of Ecology Federal Permit Team governing Section 401 Water Quality Certifications and Coastal Zone Management Act (CZM) consistency determinations. Covers SEPA compliance, JARPA applications, public notice and comment procedures, timelines and waivers, 303(d)-listed waters, wetlands, sediments including Puget Sound Dredged Disposal Analysis (PSDDA), antidegradation, short-term water quality modifications, endangered and threatened species, NPDES coordination, certification conditions for dredging, bulkheads, boat docks, marinas, stormwater, and wetland mitigation. References RCW, WAC, U.S. Fish and Wildlife Coordination Act, Clean Water Act Section 404/401, Section 10 permits, and Army Corps of Engineers nationwide permits.

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