TagPollution Control Hearings Board(1532)

Draft technical memorandum prepared by Associated Earth Sciences, Inc. (AESI, Project No. BV99122C) for Port Of Seattle, dated June 19, 2001, analyzing preferential ground water flow paths relative to the proposed Third Runway at Seattle-Tacoma International Airport (STIA). Evaluates potential contaminant migration from the Aviation Operations and Maintenance Area (AOMA) to the third runway construction

Email chain (AR017302) among Washington State Department of Ecology staff Chung K. Yee, Kevin Fitzpatrick, Craig Thompson, and AAG Joan Marchioro regarding acceptable fill criteria language for the Draft 401 Water Quality Certification for the Seattle-Tacoma International Airport Third Runway project. Key issues include: whether Ecology’s 401 WQ Certification fill criteria should ‘stand alone’ from

Draft technical memorandum prepared by Associated Earth Sciences, Inc. (AESI, Project No. BV99122C) for Port Of Seattle, dated June 19, 2001, analyzing preferential ground water flow paths relative to the proposed Third Runway at Seattle-Tacoma International Airport (STIA). Responds to Washington Department of Ecology (Ecology) request regarding whether contaminated ground water below the Aviation Operations

FAA Northwest Mountain Region letter dated June 19, 2001, from FAA to Ms. Muffy Walker, U.S. Army Corps of Engineers Regulatory Branch Seattle District Office, following up on May 31, 2001 letter. Addresses three issues raised in April 30, 2001 Memorandum for the Record regarding the Port of Seattle third runway at Seattle-Tacoma International Airport

Final draft meeting notes from a 401 Permit Decision-Making technical meeting for Sea-Tac International Airport Third Runway, held June 18, 2001, prepared by Rachel McCrea of Floyd & Snider Inc. Attendees included Ann Kenny and John Drabek (Dept. of Ecology), Kelly Whiting (King County), Keith Smith (Port Of Seattle), Felix Kristanovich (Foster Wheeler), Paul Fendt

Hart Crowser, Inc. report prepared for HNTB and the Port of Seattle, project number 4978-06, dated June 18, 2001, addressing avoidance of wetland impacts associated with Temporary Stormwater Pond A for the Sea-Tac Third Runway project. Includes summary of subsurface conditions, protection of wetlands analysis, groundwater seepage analysis, observed groundwater levels in monitoring wells near

Hart Crowser Senior Principal Michael Bailey transmits revised draft plans and cross sections for the Borrow Area 3 Wetland Protection Swale (Job No. 4978-06) to Jim Kelley at Parametrix, June 18, 2001. Documents include Figure 1 (Post-Reclamation Topography and Drainage Facilities), Figure 2 (Typical Cross Sections), Figure 3 (Post-Reclamation Topographical Detail), and Figure 4 (Proposed

Letter of transmittal dated June 18, 2001 from Michael Bailey, P.E. (Senior Principal, Hart Crowser) to Jim Kelley at Parametrix, Job No. 4978-06, transmitting four draft figures for the Third Runway Project Borrow Area 3 Wetland Protection Swale: Figure 1 Post-Reclamation Topography and Drainage Facilities, Figure 2 Typical Cross Sections, Figure 3 Post-Reclamation Topographical Detail,

Final meeting notes from June 14, 2001 (1:00–4:00 PM) prepared by Kate Snider, Floyd & Snider Inc., for the 401 Permit Decision-Making process for the Sea-Tac Airport Third Runway. Attendees included Ann Kenny and John Drabeck (Dept. of Ecology), Kelly Whiting (King County), Keith Smith (Port Of Seattle), Paul Fendt (Parametrix), Alan Black (HNTB), and

Draft meeting notes from a June 14, 2001 technical meeting regarding the low flow analysis for the Sea-Tac International Airport Third Runway 401 Permit decision-making process. The meeting addressed additional technical issues raised by the Washington Department of Ecology, including out-of-basin groundwater transfers to Walker Creek, Des Moines Creek calibration, embankment infiltration documentation, and water