SeaTac Third Runway embankment fill criteria email and draft

Notes

An email from Chung K. Yee to Craig E. Thompson and Kevin Fitzpatrick transmitting draft fill criteria requirements for the 401 Water Quality Certification for the SeaTac Third Runway embankment project. The email summarizes the basis for fill criteria developed using Amended MTCA, including Method A soil cleanup levels, three-phase model calculations for ground water and surface water protection, and ecological standards. Attached draft sections outline borrow site requirements, documentation, and fill source restrictions for the Port of Seattle.

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