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Declaration of Kelly Whiting, Senior Engineer at King County Department of Natural Resources, filed in Pollution Control Hearings Board case PCHB No. 01-133, Airport Communities Coalition v. State of Washington Department of Ecology and Port Of Seattle. Whiting details his review of the Port of Seattle’s Comprehensive Stormwater Management Plan (SMP) and Low Flow Impact Analysis-Low Flow Impact Offset Facility proposal for SeaTac International Airport (STIA) Master Plan Update improvements. Covers HSPF hydrologic modeling, King County Surface Water Design Manual Level 2 flow control standards, Walker Creek, Miller Creek, and Des Moines Creek low flow impacts, stormwater vaults and ponds, water quality treatment BMPs, predeveloped landcover assumptions, and responses to declarations by Thomas R. Luster, Dr. John Strand, William Rozeboom, and Dr. Peter Willing. AR007728–AR007730.

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As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.

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