TagACC(1534)
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1998-09-10
EXH AR028387: Letter from Washington Attorney General (Ecology Division) to Foster Pepper & Shefelman Re: 401 Certification Clarification, Ecology Order No. 96-4-02325
Letter dated September 10, 1998 from Christine O. Gregoire’s Attorney General of Washington Ecology Division (author not individually named) to J. Tayloe Washburn of Foster Pepper & Shefelman responding to an August 11, 1998 memorandum requesting clarification and minor revisions to Ecology’s 401 certification (Order No. 96-4-02325) for Sea-Tac Airport improvements including the third runway. -
1998-09-02
EXH AR041825: FAA Letter to U.S. Army Corps of Engineers Regarding Port Of Seattle Third Runway Wetland Mitigation
FAA Northwest Mountain Region letter dated September 2, 1998, from FAA to Brian R. Applebury, Chief Operations Division, Seattle District Corps of Engineers, regarding permit application 96-4-02325 for Port Of Seattle Third Runway at Seattle-Tacoma International Airport. Letter addresses compensatory wetland mitigation, bird/aircraft strike hazard, Advisory Circular AC 150/5200-33 ‘Hazardous Wildlife Attractants on or Near -
1998-09-01
EXH AR031748: King County, Washington Surface Water Design Manual
King County, Washington Surface Water Design Manual, September 1998 draft, published by the King County Department of Natural Resources (DNR), Water and Land Resources Division (WLRD). Implements King County Adopted Ordinances 13189, 13190, and 13191, effective September 1, 1998. Draft rules pending approval by the King County Executive Ron Sims. Document AR031748/AR031749/AR031750. Contributors include staff -
1998-08-19
EXH AR041760: Miller Creek Enhancement Program — Seattle-Tacoma International Airport Master Plan Update Improvements
Draft report prepared by Parametrix, Inc. for Port of Seattle regarding the Miller Creek Enhancement Program associated with Seattle-Tacoma International Airport Master Plan Update Improvements. Document AR 041760 covers Miller Creek relocation and enhancement, floodplain compensation, floodplain enhancement, Lora Lake buffer enhancement, and Miller Creek riparian buffer enhancement. Includes ecological assessment of Miller Creek (fish -
1998-08-18
EXH AR041715: Revised Off-Site Wetland Mitigation Plan, Seattle-Tacoma International Airport Master Plan Update Improvements
Draft Revised Off-Site Wetland Mitigation Plan prepared by Parametrix, Inc. for Port Of Seattle regarding Seattle-Tacoma International Airport Master Plan Update Improvements, dated August 18, 1998 (project number 55-2912-01(03)). Document covers rationale for off-site habitat mitigation, mitigation site selection, revised project wetland impacts as of July 14, 1998, and revised mitigation plan design objectives. Includes -
1998-08-18
EXH AR041729: Des Moines Creek Flow Augmentation Plan — STIA Master Plan Update Improvements
Draft Des Moines Creek Flow Augmentation Plan prepared by Parametrix, Inc. for Port Of Seattle, dated August 18, 1998, AR 041729. Document covers proposed design for flow augmentation of Des Moines Creek using existing wells, well upgrades, conveyance system, and stream discharge at Seattle-Tacoma International Airport (Sea-Tac Airport) Master Plan Update Improvements. Includes operational criteria, -
1998-08-13
EXH AR024706: Email Correspondence Metals/Tox Sampling Procedures Storm Water Study
This August 1998 email exchange between Ken Ludwa and Doug Henderson of Parametrix, Inc. discusses technical procedures for collecting stormwater samples at the Port of Seattle for metals and toxicity testing. Ludwa asks about required sample volumes, filtration timing, bottle preparation, and transfer procedures when using an autosampler during a storm event. Henderson advises that bioassays require 1 gallon and metals testing requires 2 liters, and provides guidance on sample chilling, glassware cleaning, and handling precautions. -
1998-08-13
EXH AR041701: Base Preparation Stability Analysis (Phase II) Memorandum — Hart Crowser J-4978-01
Memorandum dated August 13, 1998 from Jamie Beaver and Allen Jones at Hart Crowser, Inc. to Michael Bailey (Hart Crowser), CC Pete Douglass (Peter M. Douglass, Inc.), project J-4978-01. Presents soil strength parameters for Phase II embankment stability analysis using UTEXAS3 program. Covers SPT N-value correlations for shear strength, friction angle (cohesionless soils including sands -
1998-07-24
EXH AR024708: Literature Search Request — BMPs Copper Removal Stormwater Project 55-2912-01
A 1998 internal email from Ken Ludwa to Sabina Renn requests a literature search on best management practices (BMPs) for removing copper from stormwater, associated with a Port of Seattle project. The email provides an extensive list of search keywords covering filtration, chemical treatment, and various water-treatment technologies such as ion exchange, electrodialysis, and reverse osmosis. It also asks the library to locate two EPA publications on drinking water treatment for small communities. -
1998-07-20
EXH AR041680: Ecology Water Quality Certification and Coastal Zone Consistency Determination for Port Of Seattle Master Plan Improvement Projects (Order #96-4-02325)
Order #96-4-02325 dated July 20, 1998, from Washington State Department of Ecology (Gordon White, Program Manager, Shorelands and Environmental Assistance Program) to Barbara Hinkle (Port Of Seattle) and Tom Mueller (Corps of Engineers Regulatory Branch). Ecology certifies that proposed work in and adjacent to Miller Creek and Des Moines Creek at Seattle-Tacoma International Airport complies