TagPollution Control Hearings Board(1532)

Handwritten meeting notes dated 7-11-01 (AR 018377, Exhibit 164) regarding Army Corps of Engineers issues with wetland functional assessment, hydrology (Lisa Scott, Corps hydrologist), adaptive management, sewer lines, upper water shed mitigation, and Des Moines Dr. wetland. Notes reference a loss of 1/10 CFS, temporary impacts from stockpile soils and microbes, revised performance standards, buffer

An email chain discussing the development of acceptable fill criteria language for the Draft 401 Certification related to the Seattle-Tacoma International Airport Third Runway project. The correspondence addresses ecological standards for fill material, including requirements for the uppermost six feet of fill to consist of clean natural soil, testing protocols referencing MTCA Table 749-3, and

Draft meeting notes from a July 9, 2001 session on low flow analysis for the Sea-Tac International Airport Third Runway 401 Permit decision-making process. The meeting covered biological effects used in low flow impact determination, the Des Moines Watershed mitigation proposal (including a proposed mitigation flow of 0.1 cfs), and Miller and Walker watershed status

Final meeting notes prepared by Kate Snider of Floyd & Snider Inc. for the 401 Permit Decision-Making process for Seattle-Tacoma International Airport Third Runway, covering a Low Flow Analysis meeting held July 9, 2001. Attendees included representatives from Washington Department of Ecology (Ann Kenny, John Drabeck), King County (Kelly Whiting), Port Of Seattle (Keith Smith),

Draft meeting notes from a July 9, 2001 technical meeting on low flow analysis for the Sea-Tac International Airport Third Runway 401 Permit Decision-Making process. The meeting covered biological effects used in low flow impact determination, Des Moines Watershed mitigation proposals including a 0.1 cfs mitigation flow, and expectations for the process going forward. Attendees

Handwritten notes from a July 6, 2001 telephone conference with Kate Snider and Keith Smith, discussing DOE concurrence, Des Moines graphics and vault feasibility, and Walker Creek issues. Topics include low flow logic, biologists, and the need for Port to define issues more clearly for DOE feedback.

A letter from Water Resources Consulting LLC (Peter Willing, Ph.D.) on behalf of the Airport Communities Coalition commenting on the Port of Seattle’s ‘Low Flow Analysis – Flow Impact Offset Facility Proposal’ submitted by Parametrix. The letter criticizes the document as incomplete, lacking reasonable assurance that the Port’s SeaTac Airport plans will meet water quality

Azous Environmental Sciences (AES) submits comments to the US Army Corps of Engineers and Washington State addressing the Port of Seattle’s responses to questions about wetland and stream impacts from the proposed Third Runway at Seattle-Tacoma International Airport. The letter argues that the Port’s proposed fill activities do not comply with Section 404(b)(1) Guidelines and

An internal email from Ann Kenny outlining the information required by Ecology before concurring with any mitigation approach for low flows. The document lists four categories of required information: modeling backup, modeling results evaluation, mitigation proposal, and vault feasibility information. It also notes that written documentation of outcomes from a July 9 meeting will be

A letter from Columbia Biological Assessments to the U.S. Army Corps of Engineers and Washington State Department of Ecology raising concerns about the Port of Seattle’s Soil Fill Acceptance Criteria for the proposed third runway at Sea-Tac Airport. The letter details findings that soils from the Black River Quarry transferred to STIA exceeded MTCA Method