TagPort Of Seattle(1843)

Draft memorandum dated April 20, 2000, authored by Doug Henderson and Linda Logan (job number 556-2912-001) for Port of Seattle project files, summarizing range-finding water-effect ratio (WER) toxicity tests for copper in streams receiving Seattle-Tacoma International Airport (STIA) stormwater. Tests used Daphnia magna as indicator species; copper was spiked into site water and synthetic laboratory

In April 2000, the Des Moines, Washington City Council adopted Resolution No. 882, formally expressing its preference for the 'South Flow Two Tracks' flight path alternative proposed in the Port of Seattle's Part 150 Study. The Council found that existing flight tracks placed a disproportionate share of aircraft noise on Des Moines residents and businesses, and determined that the two-track alternative would provide the greatest noise relief. The City Manager was directed to submit the resolution to the Port of Seattle as the city's official position on southbound departure routes from Sea-Tac International Airport.

Draft memorandum dated April 10, 2000 from Douglas Lindquist, Barry Chen P.E., and Mike Bailey P.E. of Hart Crowser, Inc. to Jim Thomson P.E. at HNTB regarding seismic basis of design for the Third Runway Project (J-4978-14) at Sea-Tac Airport for the Port of Seattle. Compares 475-year return period (0.36g peak acceleration, 10% probability of

Draft Subsurface Conditions Data Report prepared by Hart Crowser for Port Of Seattle and HNTB, project number J-4978-23, dated April 7, 2000. Covers geologic and subsurface soil conditions, hydrogeologic conditions, auger borings, Standard Penetration Test (SPT) procedures, test pit excavations, and monitoring well installation for the South MSE (Mechanically Stabilized Earth) Wall and Adjacent Embankment

Hart Crowser draft subsurface conditions data report (project J-4978-18) prepared for Port Of Seattle and HNTB, dated March 20, 2000, covering the North Safety Area Third Runway Embankment at Sea-Tac International Airport. Report includes generalized geologic description, subsurface soil conditions, hydrogeologic conditions, laboratory test results (consolidation, CU triaxial, UU triaxial, direct shear tests), hydraulic conductivity

Memorandum from Mike Warfel of Parametrix, Inc. to Paul Agid of Port Of Seattle, dated March 7, 2000, reporting results of soils testing for pesticides and herbicides at the Vacca Farm Site for the Port of Seattle 3rd Runway Project (Project No. 556-2912-001(66)). Thirteen soil samples collected November 9, 1999 from six locations were analyzed

SEPA Addendum (April 27, 2000) prepared by Port Of Seattle and FAA as addendum to the Final Supplemental Environmental Impact Statement for the Proposed Master Plan Update Development Actions at Seattle-Tacoma International Airport (STIA), and to the SEPA Environmental Checklist for the Auburn Wetland Mitigation Project (August 1998). Documents modification to Master Plan Update wetland

Email chain dated February 8, 2000 among Washington State Department of Ecology staff (Roger Nye, Raymond Hellwig, Steve Alexander) regarding fill criteria compliance for the Third Runway at Sea-Tac Airport. Roger Nye describes the 401/404 permit fill acceptance policy developed with Port Of Seattle governing contaminant criteria for borrow sources used in Third Runway construction

Letter dated February 1, 2000 from John Strunk, Associated Earth Sciences, Inc. (AESI Project No. BV97016D) to Roger Nye, Washington Department of Ecology Northwest Regional Office, submitting first and second quarter ground water level measurements from the C1 (Qva) aquifer monitoring well network at Seattle-Tacoma International Airport. Reports on six pressure transducers installed in the

Memorandum BV97016D dated January 31, 2000, from John Strunk (Associated Earth Sciences Inc.) and Mike Riley (S.S. Papadopulos & Associates, Inc.) to Roger Nye, Department of Ecology, responding to nine Ecology comments on the Conceptual Flow Model Boundary Presentation for the Seattle-Tacoma International Airport ground water study. Topics addressed include MODFLOW model setup covering approximately