TagMiller Creek(124)

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

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

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).

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

NMFS (National Marine Fisheries Service) Office of Counsel comments dated 12/17/99 on the Biological Assessment (BA) for Seattle-Tacoma International Airport Master Plan Update Improvements. AR 043243. Comments identify deficiencies in action area definition (50 CFR 402.02), matrix/checklist completeness, direct and indirect effects analysis, and cumulative effects regarding Puget Sound Chinook salmon critical habitat, Coho salmon,

Parametrix, Inc. summary (August 11, 1999) of key wetland findings from the Sea-Tac Runway Fill Hydrologic Studies Report (Pacific Groundwater Group 2000), prepared for the Port Of Seattle Master Plan Update Improvements JARPA review. Covers wetland delineation conservatism, limiting habitat characteristics of Miller Creek, Walker Creek, and Des Moines Creek, salmonid habitat significance, indirect embankment

Report AR042353 prepared by HNTB, Hart Crowser Inc., and Parametrix for Port Of Seattle Aviation Program Management Group, evaluating retaining wall and slope alternatives to reduce impacts to Miller Creek at embankment station 174+00 to 186+00 for the Third Dependent Runway project at Sea-Tac International Airport. Transmitted July 13, 1999 by Barbara Hinkle to Tom

Memorandum from Ken Ludwa of Parametrix, Inc. to Elizabeth Leavitt, dated June 29, 1999, reviewing the Draft De-Icing Dissolved Oxygen Report related to Sea-Tac Airport runway and taxiway acetate washoff. Comments address dissolved oxygen (DO) water quality standards (8 mg/L Class A, 9.5 mg/L Class AA) in Miller Creek and Des Moines Creek, NW Ponds,

Technical memorandum prepared by HNTB Corporation for the Port of Seattle and Parametrix, Inc. (June 15, 1999) analyzing temporary wetland impacts during Seattle-Tacoma International Airport Third Runway embankment construction. AR 042490. Covers storm water management during construction, temporary fill in wetlands west of runway embankment toe, impacts to Wetland 37 (Miller Creek basin) and Wetland

BioAnalysts, Inc. report by T.W. Hillman, J.R. Stevenson, and D.J. Snyder prepared for Airport Communities Coalition (ACC), Des Moines, WA. Surveys of habitat composition and condition, redd (nest) abundance and distribution, and spawning population characteristics of coho (Oncorhynchus kisutch), chum (O. keta), and cutthroat trout (O. clarki) in Miller Creek, Walker Creek, and Des Moines