TagPollution Control Hearings Board(1532)

Memorandum dated March 9, 2001, from Dave Garland, Ecology NWRO Water Quality Nonpoint Unit, to Kevin Fitzpatrick and Ann Kenny, reviewing the Earth Tech December 2000 report ‘Sea-Tac Airport Master Plan Update Low Streamflow Analysis.’ The memo evaluates HSPF streamflow modeling and supplemental analyses for Miller Creek, Walker Creek, and Des Moines Creek in connection

A letter from Columbia Analytical Services, Inc. to John Strand of the Airport Communities Coalition transmitting water quality monitoring results for samples submitted on February 20, 2001, assigned service request number K2101258. The letter is accompanied by a glossary of acronyms and data qualifiers used in laboratory reporting for inorganic, metals, and organic analyses.

Port of Seattle SEPA addendum (POS SEPA No. 01-05, AR 049967) dated March 6, 2001, for the Seattle-Tacoma International Airport North Electric Service Upgrade project. Documents a revised proposal for the North Main Service Point site location and 12.5 kV cable route connecting to the Bow Lake Substation via International Boulevard near South 176th Street.

Draft memorandum dated March 5, 2001 from Douglas Lindquist E.I.T., Barry Chen PhD P.E., and Michael Bailey P.E. of Hart Crowser Inc. to Jim Thomson P.E. of HNTB, project J-4978-30. Presents revised methods and results of liquefaction analyses for the SeaTac Third Runway embankment, based on revised probabilistic seismic hazard analysis (PSHA) and one-dimensional site

GeoSyntec Consultants submitted a correction letter to the U.S. Army Corps of Engineers and Washington State Department of Ecology on behalf of the Airport Communities Coalition, clarifying an error in their earlier February 16, 2001 technical review letter regarding the Third Runway project at Seattle Tacoma International Airport. The correction changes the word ‘underestimate’ to

Essential Fish Habitat (EFH) Assessment prepared by Parametrix, Inc. for the Federal Aviation Administration and Port Of Seattle for Master Plan Update Improvements at Seattle-Tacoma International Airport (STIA), March 2001. Document AR049873 (project 556-2912-001) evaluates Pacific Coast salmon EFH — Chinook, Coho, and Puget Sound Pink salmon — in Miller Creek Basin, Des Moines Creek

An email from Paul Fendt to Ken Ludwa responding to a request for specific information related to TESC (Temporary Erosion and Sedimentation Control) facilities. Fendt characterizes the level of detail requested as ‘absurd.’ The forwarded message from Ludwa lists the required information including clearing limits, tributary areas, pump sizes, power supply, spill prevention plans, and

Draft Conceptual Reclamation Permit Package for Borrow Areas 3 and 4 at Sea-Tac International Airport, City of SeaTac, Washington. Prepared by Hart Crowser for Port Of Seattle for presentation to the Washington Department of Natural Resources (DNR), March 1, 2001, project J-4978-62. Document covers site preparation activities, mining practices, operating plan, conceptual reclamation plan, revegetation

Email chain (Exhibit 2061, AR031718-AR031720) dated February 26, 2001, from Jerald LaVassar (Ecology Dam Safety Office) to Ann Kenny (Ecology), responding to Andrea Grad (Helsell law firm, representing ACC/Airport Communities Coalition). LaVassar explains why the Mechanically Stabilized Earth (MSE) wall at Sea-Tac Airport’s third runway project does not qualify as a dam under WAC 173-175-020,

Handwritten notes from a meeting dated February 26, 2001 discussing a new CFM (Creek Flow Management) proposal for Walker Creek. Notes cover storage requirements significantly affecting SMP design feasibility, potential impacts to NRMP, and creek flow impacts during low flow periods. Also discusses canceling 401 to re-size and hydrological monitoring considerations.