Notes
Preliminary design report (AR 025072, K/J 006081.00) prepared by Kennedy/Jenks Consultants for Port Of Seattle, dated September 2000, covering Des Moines Creek flow augmentation at Seattle-Tacoma International Airport (Sea-Tac Airport). Document addresses facility configuration, process components including backflow prevention, dechlorination basin, aerator, aeration channel and outfall to creek, programmable logic controller, residual chlorine analyzer, and creek monitoring station. Evaluates dechlorination chemical alternatives including calcium thiosulfate, sodium bisulfite, sulfur dioxide, ascorbic acid, sodium thiosulfate, and sodium sulfite. Filed in PCHB third-runway-eis administrative record.