2025-09-15
This plot shows Scanning Mobility Particle Sizer (SMPS) aerosol particle size distribution data (5–382 nm) collected at the 10th & Weller monitoring site, generated on 2025-09-15 at 13:08:09 PST with last UTC data timestamp of 2025-09-15 19:56:31. The contour plot displays log(10) particle counts over local PST time from approximately 13:11 on September 14 through 12:56 on September 15, with brown diamond markers indicating the geometric mean particle diameter over time.
Properties, trees and the environment around the airport As the icon indicates, this is a beta project, one of a series of visual representations on community impacts. This indicates Port-owned properties around the airport, most purchased with FAA grants. It also displays the status of trees that are subject to removal and/or replacement via the
Structures with Port of Seattle avigation easements Background When the Port of Seattle conducted their initial Part 150 Study in 1985, there were at least 11,000 structures inside the eligible boundary area. Since then, it has conducted four more, including the current one. Since then, the boundary, and the structures included within those boundaries, have
2025-05-17
EPA guidance leaflet explaining the problems with PFAS chemicals in fire-fighting foams, including PFOA and PFOS, which are harmful persistent chemicals. Details restrictions and controls on PFOA-containing AFFF (Aqueous Film Forming Foam) with timeline from 2020-2025 for phasing out use.
Local, Port of Seattle, County, State and Federal May 5-9 is filing week for candidates running for office in November. Here are all the King County candidates who have filed. City Councils Burien: council@burienwa.gov Position #1, #3, #5, and #7 are up for election this November. Des Moines: citycouncil@desmoineswa.gov Position #1, #3, #5, and #7
2025-03-21
Annotated comparison photo showing two residential window types: a sliding window (top) with gray plugs at top and bottom of the frame meet point, and a double-hung window (bottom) with gray plugs on both sides, with green circles highlighting the plug locations. This appears to be a technical reference document, possibly related to window sound insulation or weatherproofing assessment.
2025-03-03
30620 Pacific Hwy S Suite 103 Federal Way, WA, 98003 253-941-4343 Mold Testing Bulk Building Materials and Tape Lifts : Bulk Nonviable Fungal Identification Air Quality Samples: Air sampling and Fungal Spore Identification We are now offering testing for fungal identification, which can help in identifying hazardous types of mold. Bulk samples may be tape
2025-02-14
A map of Washington State identifying 16 communities with elevated cumulative criteria air pollution levels, including locations such as Spokane, Tacoma, Seattle, Yakima Valley, and Vancouver. The map uses a shading gradient to indicate highest to lowest pollution levels, with numbered red markers pinpointing each named community.
2024-08-13
Image shows a natural stream or creek flowing through a wooded area with a concrete water control structure or small dam. Large rocks line the banks and fallen logs are visible along the edges. The clear water flows over the concrete structure creating a small waterfall effect.
2025-09-15
2025-05-17
2025-03-21
2025-02-14
2024-08-13