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.
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 "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
Cleanup Rule Notice No. 2: Invitation to statewide scoping webinar, Tuesday, April 3, 2018
You're invited to join our statewide listening session in-person or online on April 3, 2018, from 1pm to 3:30pm. Webinar starts at 1:30pm.
https://ecology.wa.gov/notice02cleanupruleinvitemar2018
Slide desk for statewide scoping webinar on April 3, 2018
Slides for the Cleanup Rule's statewide scoping session on Tuesday, April 3, 2018.
https://ecology.wa.gov/scopingsessionslidedeck04-03-2018
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
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
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