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Saving Puget Sound

Independent Audit

The South Puget Sound Dissolved Oxygen Study and Puget Sound Dissolved Oxygen Model underwent independent, third-party peer reviews. Tetra Tech conducted the audits under the management of the US Environmental Protect Agency.

The in-depth audits were designed to look at all the details of the two projects to identify any serious deficiencies. Tetra Tech reviewed the model set-up, the model calibration and sensitivity, “what-if” scenarios, and supporting documentation. The circulation reports and water quality reports for both projects were audited.

Tetra Tech documents: