Supreme Court of Washington,En Banc. PORT OF SEATTLE, a port district of the State of Washington, Petitioner, v. The POLLUTION CONTROL HEARINGS BOARD, an agency of the State of Washington, Respondent, Airport Communities Coalition; Citizens Against Seatac Expansion; and State of Washington, Department of Ecology, an agency of the State of Washington, Respondents/Cross-Petitioners. No. 73419-4. Decided: