Comments regarding the Draft Supplemental Environmental Impact Statement (SEIS)

A March 1997 public comment letter submitted to the FAA raises detailed concerns about the Draft Supplemental Environmental Impact Statement (SEIS) for Sea-Tac Airport's proposed third runway expansion, questioning the adequacy of alternatives considered, the accuracy of capacity and traffic forecasts, and the handling of noise impacts on surrounding communities. The writer challenges the FAA on issues ranging from air quality violations and wellhead protection to construction logistics and the lack of a noise insulation plan for new flight corridors created by the third runway. The letter demands side-by-side presentation of comments and responses in the final SEIS, along with fuller justifications as required under NEPA.

Notes

A March 31, 1997 letter from a community member to the FAA Northwest Mountain Region submitting detailed comments on the Draft Supplemental Environmental Impact Statement for Sea-Tac Airport expansion. The letter raises concerns about alternatives to expansion, air quality conformity, noise abatement, surface traffic analysis, and construction impacts related to the proposed third runway. The commenter requests that the final SEIS include side-by-side comment/response formatting and comply with NEPA §1503.4 requirements.

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