Research & Data

Use this portal to filter and search for all of our scientific information.

Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.

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July 2018 vapor intrusion listening session: Q&As

Questions and answers from the vapor intrusion listening session in Bellevue, July 23, 2018.

https://ecology.wa.gov/20180723vaporlisteningsessonqa

July 2018 vapor intrusion listening session: Slides

PowerPoint slides from the vapor intrusion listening session in Bellevue, July 23, 2018.

https://ecology.wa.gov/20180723vaporlisteningsessslides

2015 changes to 2009 vapor intrusion toxicity values and screening levels

2015 Excel spreadsheet of changes to the 2009 vapor intrusion toxicity values and screening levels.

https://ecology.wa.gov/2015vaporintrusionupdates

Cleanup site: Univar USA Inc Kent

Univar Kent is a cleanup site at 8201 S 212th St. in Kent (King County) with soil and groundwater contamination from waste management activities and accidental chemical releases.

https://ecology.wa.gov/cleanup-site-univar-usa-inc-kent

Industrial site: BP Cherry Point refinery

Industrial refinery that's monitored for potential releases of contaminants include metals, volatile organics, and semi-volatile organics.

https://ecology.wa.gov/bp-cherry-point-refinery

WAC Chapter 173-322

Remedial action grants and loans

https://ecology.wa.gov/wac-chapter-173-322

Email list: MTCA Cleanup Rule and Sediment Management Standards

Stay informed about contamination cleanup rulemakings.

https://ecology.wa.gov/email-list-mtca-cleanup-rule-and-sediment-management-standards

Cleanup site: Treoil Industries

This site is a former industrial facility located in Whatcom County, near Ferndale. Ecology is facilitating a remedial investigation and feasibility study for cleaning up contaminants at the site.

https://ecology.wa.gov/cleanup-site-treoil-industries

Email list: Contaminated Site Register

https://ecology.wa.gov/email-list-contaminated-site-register

Publication: Sediment Cleanup User’s Manual (SCUM)

Guidance for Ecology staff, potentially liable persons, and technical consultants on how to conduct cleanup of contaminated sediment sites.

https://ecology.wa.gov/publication-sediment-cleanup-user-s-manual-scum

Online tool: Contaminated Sites List

Find information on contaminated sites that being investigated and cleaned up, or need to be investigated and cleaned up. Part of Cleanup and Tank Search.

https://ecology.wa.gov/online-tool-contaminated-sites-list

Cleanup site: Lower Issaquah Valley PFAS cleanup sites

Ecology is working on three PFAS cleanup sites in the Lower Issaquah Valley: Eastside Fire & Rescue and Issaquah Valley Elementary School (EFR HQ IVES), Memorial Field, and Rainier Trail.

https://ecology.wa.gov/cleanup-site-lower-issaquah-valley-pfas-cleanup-sites

Cleanup site: Clean Earth LLC

Clean Earth LLC is a cleanup site at 20245 77th Ave S in Kent, formerly known as Stericycle Kent.

https://ecology.wa.gov/cleanup-site-clean-earth-llc

Email list: Brownfields

Brownfields are abandoned or underutilized properties that may have environmental contamination. Join our email list to learn more about funding and educational opportunities to help redevelop brownfields into community assets.

https://ecology.wa.gov/email-list-brownfields

Map: Emergency Response Towing Vessel call outs

Interactive map and downloadable data for assistance provided by the tug stationed at Neah Bay.

https://ecology.wa.gov/emergency-response-towing-vessel-call-outs

Map: Geographic response plans

Interactive map and downloadable data for location-specific oil spill response plans.

https://ecology.wa.gov/geographic-response-plans

Map: Oil facilities in Washington

Interactive map and downloadable data for oil facilities statewide.

https://ecology.wa.gov/oil-facilities-in-washington

Map: Oil trains in Washington

Interactive map and downloadable data for spill incidents.

https://ecology.wa.gov/oil-trains-in-washington

Map: Oil transfers over water

Interactive map and downloadable data for regulated oil transfers in Washington.

https://ecology.wa.gov/oil-transfers-over-water