Exhibit 226: ACC’s First Supplemental Response to Port Of Seattle’s Request for Production No. 2 and Interrogatory No. 5 — Expert Witness Reference List (PCHB No. 01-160)

This legal document is a supplemental response filed by the Airport Communities Coalition (ACC) in a Washington State Pollution Control Hearings Board case against the Port of Seattle and the Department of Ecology. It lists scientific references and studies relied upon by ACC's expert witnesses, covering topics such as water quality, dissolved oxygen levels from runway de-icing at Seattle-Tacoma International Airport, and the effects of airport-related chemicals on aquatic life including salmon and trout. The document reflects ongoing litigation over the environmental impact of Sea-Tac Airport operations on surrounding waterways.

Notes

ACC’s First Supplemental Response to Port Of Seattle’s Request for Production No. 2 and Interrogatory No. 5, filed in PCHB No. 01-160 before the Pollution Control Hearings Board for the State of Washington. Lists documents relied upon by ACC expert witnesses, including Northwest Hydraulic Consultants (Bill Rozeboom and Dr. Malcolm Leytham) and Dr. John Strand of Columbia Biological Assessments. References cover water quality, deicing, dissolved oxygen, stormwater toxicity, fluoride effects on salmon, chloramine toxicity, aquatic organisms, Puget Sound streams, and Seattle-Tacoma International Airport runway deicing. Specific sources cited include Cosmopolitan Engineering Group deicing studies (1999, 2000), Herrera Environmental Consultants Des Moines water quality monitoring reports, BioAnalysts spawning and habitat assessment for Puget Sound streams, and FAA 1997 Final Supplemental Environmental Impact Statement for Sea-Tac Airport Master Plan Update. Filed by Helsell Fetterman on behalf of Airport Communities Coalition (ACC), AR 018876–018878.

V V