EXH0364021318

ScientifiCally Adequate Basis to Certify Compliance, Under Clean Water Act Section 401, for the Port of Seattle's Project Proposed in Public Notice Nos. 1996-4-02325 and 1999-4-02325 Dear Mr. Luster: [ * -_ On behalf of Citizens Against $eatacExpansion (CASE), I have undertaken a review and " evaluation of pertinent and readily available literature in an effort to answer the subject question. It is Ecology's responsibility under the Clean Water Act to certify that the Port's proposed project will not violate applicable water quality criteria and will not harm aquatic resources inhabiting the project site. In undertaking this effort, I have relied on my relevant education, specialize d training, and professional skills acquired over a 40- year career as an environmental scientist (see attached Curriculum Vitae). approached this task by first determining whether water quality in surface waters near Seattle-Tacoma International Airport (STIA) has been impacted by stormwater runoff from the Port of Seattle's ongoing operations at STIA. I addressed both historical and present conditions. I next looked at whether conditions in the receiving waters might improve following the filling of the subject wetlands and subsequent installation and operation of the proposed stormwater retention facilities at STIA. My opinion in this matter was based primaffl"_on reviewing three documents prepared by the Port of Seattle: • Storm Water Receiving Environmem Monitoring Report for NPDES Permit No. WA- 002465-1. Volume 1, and 2 (Technica ! Appendices). June 1997. • Annual Stormwater Monitoring Report for Seattle-Tacoma International Airport for the Period duly 1, 1998…

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PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
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 [...]