This document, labeled Exhibit 431 and bearing reference number AR 022780.01, is a photograph from the administrative record, appearing to show ground-level environmental conditions near a pipe or post, with visible soil, leaf litter, pine needles, and wet or saturated ground surface. The image likely documents site conditions relevant to environmental or noise mitigation proceedings associated with Seattle-Tacoma International Airport. No additional text or descriptive caption accompanies the photograph.Open full document
Notes
Exhibit 431 (AR 022780) from the Pollution Control Hearings Board (PCHB) third-runway EIS proceeding. Close-up photographic evidence showing a white pipe and apparent water seepage or stormwater discharge in a vegetated ground area, with visible leaves, pine needles, and wet soil. Relevant to stormwater, water quality, or construction impacts associated with the Sea-Tac Airport third runway project.