Notes
Hydrogeologic Study of the Industrial Waste System (IWS) Plant and Lagoons at Seattle-Tacoma International Airport, prepared by Associated Earth Sciences, Inc. (AESI Project No. BV98112) for Port Of Seattle, dated June 21, 2000. Report covers site geology, stratigraphy (Pre-Fraser and Fraser/Vashon glacial deposits, advance outwash, glacial till, recessional outwash, fill), hydrogeology of shallow aquifer and perched water zone, ground water levels and flow direction around Lagoons 1, 2, and 3, ground water quality monitoring including VOCs, total petroleum hydrocarbons (TPH), and ethylene glycol. Addresses releases, non-compliance events, lagoon integrity tests, lagoon sludge/sediments, soil contamination, and background water quality statistical analysis. Filed as AR 023949 in PCHB third-runway EIS administrative record.