Notes
Agreed Order #97TC-N122 issued by the Washington State Department of Ecology to Port Of Seattle under RCW 70.105D.050(1) regarding hazardous substance releases at Seattle-Tacoma International Airport (STIA). The order addresses contamination within the Aircraft Operations and Maintenance Area (AOMA), a approximately 1/2 square-mile area in the southeast quadrant of STIA. Twelve contaminated sites are identified with contaminants including jet fuel, gasoline, industrial solvents, mineral spirits, lubricating oil, and aircraft deicing fluids in perched groundwater and/or soil. Four sites show contamination of the Qva aquifer. The order was issued January 1997 under the Model Toxics Control Act (MTCA).