TagPollution Control Hearings Board(1532)

Letter dated April 27, 2000 from Ann E. Kenny, Senior Permit Specialist, Washington State Department of Ecology (Northwest Regional Office), to William A. Rozeboom and K. Malcom Leytham of Northwest Hydraulic Consultants, Inc. Responds to their April 11, 2001 letter to Gordon White concerning Ecology’s review of Port Of Seattle’s December 2000 Low Streamflow Analysis.

An email from Martha Choe of CTED to Tom discussing a meeting with the Port of Seattle and Bob Drewel regarding concerns about the 401 permit for Sea-Tac Airport’s third runway. The email covers issues including FAA’s takeover of the ESA review from the Corps of Engineers, King County’s delayed stormwater work, and the political

Draft memorandum dated April 25, 2000, from Doug Henderson and Linda Logan (job number 556-2912-001) to Port Of Seattle project files, summarizing range-finding toxicity test results for the water-effect ratio (WER) study for copper in streams receiving Sea-Tac Airport (STIA) stormwater. Covers sampling at five sites — Miller Creek Upstream, Miller Creek Detention Facility, Northwest

This draft memorandum summarizes range-finding toxicity test results conducted as part of a water-effect ratio (WER) study for copper in streams receiving Sea-Tac International Airport (STIA) stormwater. The tests used Daphnia magna as an indicator species to evaluate copper bioavailability in site waters compared to clean laboratory water, with samples collected from five locations including

An email from Gina Marie Lindsey of Port Of Seattle to Martha C. at Washington State Department of Ecology discussing the status of the Port’s stormwater permit application and the Draft Preliminary Comprehensive Stormwater Master Plan. The email explains why additional work was needed for King County’s review despite the quality of the original DOE

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

Handwritten notes from a BEATAC meeting at the Port on April 20, 2000, AR018447, involving City of Des Moines personnel including Tom Walsh, Tacie Borden, John Marchiloro, Jim Kelly, and others. Topics include: stormwater review at FCC starting 5-5-00; SR-509 temporary interchange issues (ESA/BA review, Jonathan Freedman indirect impacts, erosion/sediment control, no federal nexus); LWS#3

An email exchange between Martha Chae and John Savich discussing the status of the 401 permit for a Port of Seattle runway project. John Savich provides details on DOE timelines, stormwater management issues identified by King County, and the port’s current construction schedule. Both optimistic and realistic port timelines require action on the 401 permit

Field Sampling Data Forms (AR 027906–027908) documenting environmental sampling at Miller Creek and Des Moines Creek survey sites including 144th St S and S 157th Pl, dated April 17, 2000. Water quality measurements recorded: temperature 53.2°F/11.0°C and 49.5°C (4/19), pH 7.5, dissolved oxygen 9.5/100, hardness 84 PPM CaCO3 (site IA) and 120 ppm (site IB).

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