EXH0720026475

- _ Washington State Northwest RegionDepartment of Transportation 6431 Corson Avenue SouthSeatlle. WA 98108 Sid Morrison Secretary of Transportation (206) 768-5700 November 29, 1999 Port of Seattle Beth Clarke, POS environmental Section 17900 International Blvd., Suite 402 Seattle, WA 98188 RE: First Avenue South Bridge Vicinity Available Fill Material Dear Beth: This letter is written to fulfill the Port of Seattle's requirements to accept the fill material from the First Avenue Bridge construction site. As you are aware, there are approximately 120,000 cubic yards of excess material available southwest of the First Avenue Bridge. A copy of a memorandum from Mike Stephens of WSDOT Environmental Affairs Office, summary and sampling results from the stockpile by - Health Risk Associates, Inc. and a site map showing where samples were taken are attached to this letter. According to Health Risk Associates, Inc., the top few feet of soil on the original ramp embankments contain slightly, elevated levels of Petroleum Hydrocarbons. The levels of contamination may have come from sever_! sources, including the past practice of oiling the city s_reets by the City of Seattle in this area. Please refer to the attached report for more details. WSDOT is willing to set aside the top few feet of the contaminated material and analyze it again using a different procedure. If further analysis indicates the material is contaminated above the levels acceptable to the Port, the WSDOT will not propose transporting the material to your site. The remaining majority of material on the site…

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PSCAA Advisory Council Meeting Agenda
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Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]