Notes
Internal memo from Ching-Pi Wang to Ann Kenny (cc: Jeannie Summerhays, Steve Alexander), dated January 23, 2002, reviewing the Port of Seattle’s Embankment Fill Monitoring Plan (EFMP) for the Third Runway, 401 Certification Condition E.3. Comments cover requirements for logic tree flow diagrams for tiered sampling and staged screening (groundwater, seepage), statistical methods for baseline establishment, Ecology staff review and approval of well locations and seepage monitoring locations, definition of ‘significantly elevated levels,’ in-situ groundwater sampling along flow paths to verify dilution/attenuation factors (default value of 10 vs. site-specific), screening interim seepage quality data against background surface water and freshwater ambient water quality criteria, adequacy of the 8-year groundwater monitoring period relative to seven-year construction timeline, and post-construction monitoring. Document reference AR 031469–AR 031471, Washington State Department of Ecology.