EXH0724026488

This document provides a summary, of the water quality assessment (WQA) currently underway in support of the Port of Seattle's (the Port) Master Plan Update for the Seattle- Tacoma International .Mrport (STIA). This document complements the Sampling and Analysis Plan (Paramewix 1998) submitted to the Port in November of this year. Following the introduction, the remainder of this document describes the overall goal of the WQA the approach we propose to achieve that goal. INTRODUCTION [Text to be provided later] Goal of the Water Qualin' Assessment: To reach agreement with the Depamment of Ecolo_, on the Port's abilm' to comply with the water quality requirements of the current NPDES permit No. Ff'A-O02465-1 and the 401 certification following construction of the third runway. This goal, in part, will be achieved through a number of Best Management Practices (BMPs) that are currently being explored by the Port and which are described elsewhere. This document focuses on characterizing the stormwater and receiving streams, both now and in the future, to help determine whether aquatic life in the receiving streams will be sufficiently protected. Characterization includes examining stormwater and receiving water chemist_, and toxicib', fluctuations in the stormwater discharge and an understanding of stormwater and receiving water mixing. To ensure acceptability of our approach, tasks conducted under the WQA will use standard water quality protocols and techniques where possible. AR 026488 PROPOSED APPROACH We are currently taking a three pronged approach to the WQA that: . a) uses a "water effect ratio" (WER) to…

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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 [...]