TagPollution Control Hearings Board(1532)
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1999-03-04
Exhibit 2109: Email Chain RE: Friday Sea-Tac Airport Meeting on 401 Certification and Stormwater, Third Runway
Email chain dated March 4, 1999 among Tom Luster, Kevin Fitzpatrick, Raymond Hellwig, and Paula Ehlers (Washington State Department of Ecology, NWRO) regarding a Friday meeting at the Army Corps of Engineers about Sea-Tac Airport Third Runway citizen group concerns. Attendees included Corps staff Tom Mueller, Gail Terzi, Jonathan Freedman, Siri Nelson, and citizen group -
1999-02-23
Exhibit AR 026670: Static Acute Ceriodaphnia dubia Toxicity Test — Copper in Miller Creek Site Water, Port Of Seattle
Static acute Ceriodaphnia dubia toxicity test (Test Number 2183) conducted by Parametrix Toxicology Laboratory for Port Of Seattle, sample collected 2/22/99, test dates 2/23/99 through 2/25/99. Test material is copper (Cu) in Miller Creek site water (CUSW), source WA0024651, concentrations ranging from 0 to 200 µg/L. Results show 100% survival at concentrations up to 50 -
1999-02-01
EXH AR041921: Water Effect Ratio Screening Study at Seattle-Tacoma International Airport: Toxicity Evaluation of Site Water
Draft report (AR 041921) prepared by Parametrix, Inc. for Port Of Seattle, STIA, summarizing procedures and results of acute screening-level Ceriodaphnia dubia bioassays conducted on site water from Seattle-Tacoma International Airport in January 1999. Samples collected January 14, 1999 during a storm event at eight locations including Miller Creek Upstream of Lake Reba, Miller Creek -
1999-01-14
POS Water Quality Datalog Field Records – Miller DS
Field records from a water quality sampling event at the Miller DS site, dated January 14, 1999. The documents include field measurements (pH, temperature, dissolved oxygen), water level readings, and a flow weighting calculation worksheet used to calculate subsample volumes for a composite water sample. The total storm flow was recorded as 122,400 with 12 -
1999-01-05
Manke Questions
An email from Dave McBride of Parametrix, Inc. to Brian Pippin responding to questions about a Manke project. McBride clarifies that Ecology has not seen the draft report as the client is delaying the process, and that the 6-month 24-hour storm standard was an NPDES permit requirement. -
1999-01-01
EXH AR034957: 1999 Airfield Project Soil Fill Acceptance Criteria
Port Of Seattle 1999 Airfield Project Soil Fill Acceptance Criteria for STIA airfield projects, describing criteria and review process for acceptance of fill material requested by Washington Department of Ecology in conjunction with 401 Water Quality certification. Covers geotechnical and environmental suitability standards including MTCA Method A contaminant levels, arsenic, TPH and metals analyses. Details -
1999-01-01
1999 Airfield Project Soil Fill Acceptance Criteria
This document outlines the Port of Seattle’s criteria and review process for accepting fill material for Sea-Tac Airport airfield projects in 1999. It details geotechnical and environmental suitability requirements, including compliance with MTCA Method A contaminant levels, and establishes a certification process for contractors and suppliers based on source categories. The document also describes monitoring -
1998-12-23
EXH AR041907: Memorandum — Summary of Hydrologic Issues, Borrow Areas 1, 3, and 4, Third Runway Project, Sea-Tac Airport
Hart Crowser memorandum (J-4978-03) dated December 23, 1998, from Michael Bailey P.E. and Michael Kenrick P.E. to Barbara Hinkle, Port Of Seattle, addressing hydrologic impacts of Borrow Areas 1, 3, and 4 for the Third Runway Project at Seattle-Tacoma International Airport. Discusses impacts on baseflow to Des Moines Creek and riparian wetlands, including runoff reduction, -
1998-12-17
EXH AR041832: Laboratory Guidance and Whole Effluent Toxicity Test Review Criteria
Washington State Department of Ecology, Water Quality Program publication (WQ-R-95-80, revised December 1998) providing laboratory guidance and Whole Effluent Toxicity (WET) test review criteria. Covers WET testing requirements in NPDES permits, options for permittees, invalid test criteria including EPA statistical flowcharts, negative controls, test termination, acceptable start counts, pH adjustment, randomization, and power standards. Also -
1998-12-09
EXH AR041914: Hart Crowser Letter to Port Of Seattle — Sea-Tac Third Runway Aquifer Compaction Analysis
Hart Crowser letter (project J-4978-03) to Barbara Hinkle, Health Safety & Environmental Services, Port Of Seattle, dated December 9, 1998, addressing aquifer compaction beneath the proposed Third Runway embankment at Sea-Tac Airport in response to U.S. Army Corps of Engineers questions on hydrogeologic impacts. Analysis covers the Shallow Aquifer (contributing to Miller Creek base flow),