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.
Douglas County solid waste service level ordinance
A sample ordinance from Douglas County outlining minimum service levels for solid waste.
https://ecology.wa.gov/douglas-county-solid-waste-service-level-ordinance
Washington LightRecycle 2017 Program Plan
This is the 2017 update to Washington's LightRecycle Program Plan.
https://ecology.wa.gov/program-plan-2017
Transcript of the "Is your dry cleaner still using toxic PERC?" audio blog
Fifty dry cleaning businesses across the state have now switched from using toxic perchloroethylene (PERC) to a less toxic alternative since 2019. However, approximately 60 PERC-using businesses are still operating, prompting Ecology to redouble its efforts to eliminate the hazardous chemical from use.
https://ecology.wa.gov/20210820-perc-audio-transcript
Transcript of the "Helping your community help small businesses" audio blog
The Pollution Prevention Assistance program (PPA) helps businesses and organizations partner with local authorities to ensure they're effectively and efficiently meeting all their obligations.
https://ecology.wa.gov/20210820-ppa-audio-transcript
Transcript of the "Replacing toxic products with safer alternatives" audio blog
The vast majority of chemicals that seep into peoples' bodies and the environment come not from factories or treatment facilities, but from the very products and services people buy and use every day.
https://ecology.wa.gov/20210820-prp-audio-transcript
Transcript: 30 Years of Toxics Reduction and Pollution Prevention
Transcript of the audio blog, "30 Years of Toxics Reduction and Pollution Prevention"
https://ecology.wa.gov/20220105-30-years-of-p2-transcript
LightRecycle Annual Report 2015
This is the 2015 annual report for Washington's mercury lights program, Washington LightRecycle.
https://ecology.wa.gov/annual-report-2015
LightRecycle Annual Report 2016
This is the 2016 annual report for Washington's mercury lights program, Washington LightRecycle.
https://ecology.wa.gov/annual-report-2016
Rulemaking Announcement (WAC 173-337) 11/17/21
This is a rulemaking announcement (CR-101) for WAC 173-337 Safer Products Restrictions and Reporting
https://ecology.wa.gov/rulemaking-announcement-wac-173-337-11-17-21
Rulemaking Announcement CR-101
Rulemaking Announcement for 173-333 WAC Chemical Action Plans.
https://ecology.wa.gov/rulemaking-announcement-cr-101
LightRecycle Annual Report 2017
This is the 2017 annual report for Washington's mercury lights program, Washington LightRecycle.
https://ecology.wa.gov/annual-report-2017
LightRecycle Annual Report 2018
This is the 2018 annual report for Washington's mercury lights program, Washington LightRecycle.
https://ecology.wa.gov/annual-report-2018
Rulemaking Proposal (WAC 173-350) 1/23/18
This is a rulemaking proposal (CR-102) for WAC 173-350 Solid Waste Handling Standards
https://ecology.wa.gov/rulemaking-proposal-wac-173-350-1-23-18
LightRecycle Annual Report 2019
This is the 2019 annual report for Washington's mercury lights program, Washington LightRecycle.
https://ecology.wa.gov/annual-report-2019
LightRecycle Annual Report 2020
This is the 2020 annual report for Washington's mercury lights program, Washington LightRecycle.
https://ecology.wa.gov/annual-report-2020
Rulemaking proposed language (WAC 173-350) 1/23/18
This is proposed rule language for WAC 173-350 Solid Waste Handling Standards.
https://ecology.wa.gov/rulemaking-proposed-language-wac-173-350-1-23-18
Rulemaking Proposal WAC 173-350 01/23/18
This is the information the agency filed with the Office of the Code Reviser on January 23, 2018 to formally propose amendments to Chapter 173-350 WAC - Solid Waste Handling Standards
https://ecology.wa.gov/rulemaking-proposal-wac-173-350-01-23-18
Waste 2 Resources Advisory Committee Roster
Current membership roster for the Waste 2 Resources Advisory Committee
https://ecology.wa.gov/w2racmembership
Lithium-ion battery management under Chapter 173-303 WAC, Dangerous Waste Regulations
This memo clarifies how businesses can safely manage lithium-ion batteries as universal waste under the Dangerous Waste Regulations.
https://ecology.wa.gov/memo-lithium-ion-batteries
Online tools & databases
This is the gateway to Ecology's many web-accessible databases and tools.
https://ecology.wa.gov/online-tools-databases
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