Notes
Letter dated November 15, 2000 from John O. Wietfeld, Acting Unit Supervisor Tanks Unit, Washington Department of Ecology Northwest Regional Office (Bellevue, WA), to Paul W. Agid, Senior Environmental Program Manager at Seattle-Tacoma International Airport, regarding Agreed Order 97TC-N122. Provides written notification of completed and not-completed tasks per Section IV of Agreed Order 97TC-N122. Attached checklist (Roger Nye memo, November 2, 2000) enumerates 13 tasks related to the STIA Airport Operations and Maintenance Area (AOMA) groundwater study: hydrogeological description, known/unknown soil and groundwater contamination, contaminant transport pathways, private drinking water wells within one mile, Qva aquifer well database, MODFLOW groundwater flow model, contaminant fate and transport model, Phase I Report, and UST pollution prevention. Tasks 1, 2, 6, 7, and 8 marked COMPLETED; Tasks 3, 4, 5, 9, 10, 11, 12 marked NOT COMPLETE. Solvents contamination, particle tracking methodology, and MODFLOW model discussed. AR 023671–023673.