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.
Licensed Tire Handlers
A list of Washington businesses licensed to store and/or transport waste tires.
https://ecology.wa.gov/licensedtirehandlers
List of Businesses Participating in Product Replacement Programs
List of businesses participating in our product replacement programs.
https://ecology.wa.gov/prp-businesses
Licensed Tire Handlers
A PDF file of companies licensed to haul waste tires in Washington state.
https://ecology.wa.gov/tiretransporterlist
Rulemaking Adoption Notice (WAC 173-337) 05/31/23
This is a rulemaking adoption (CR-103) for WAC 173-337 Safer Products Restrictions and Reporting
https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-337
Pharmaceutical waste regulations webinar
PDF version of the Pharmaceutical Waste Regulations webinar conducted by Ecology's health care team January 2021
https://ecology.wa.gov/webinar-pharmawaste-slides-2021
Mercury Switch Removal Program Invoice Form (PDF)
Invoice form for mercury switches
https://ecology.wa.gov/mercury-switch-removal-program-invoice-form
Mercury Switch Removal Program: Vehicle Recycler Sign-up Form (PDF)
Fill out this form to sign up for the mercury switch removal program
https://ecology.wa.gov/mercury-switch-removal-program-vehicle-recycler-s
WSR 23-19-066 Commerical airport restrictions
WSR 23-19-066 requires commercial airports in Washington procure non-PFAS firefighting agents by 2025.
https://ecology.wa.gov/wsr-23-19-066
Rulemaking Announcement (WAC 173-337) 12/08/23
This is a rulemaking announcement (CR-101) for WAC 173-337 Safer Products Restrictions and Reporting.
https://ecology.wa.gov/rulemaking-announcement-wac-173-337-12-06-23
PCB petition to EPA
Letter from Ecology to the EPA petitioning to reduce allowable PCBs in consumer products.
https://ecology.wa.gov/pcb-petition-to-epa
Aug 14 webinar slides
This is the presentation for the Cycle 1.5 webinar conducted on Aug. 14, 2024
https://ecology.wa.gov/webinar-presentation-aug-14
SPWA Sept 25 webinar materials
This is the PowerPoint presentation for the webinar conducted on Sept. 25, 2024 for WAC 173-339.
https://ecology.wa.gov/sept-25-webinar-materials
Certificate of compliance 2024
This is the certificate of compliance for food packaging manufacturers for items regulated as of May 2024.
https://ecology.wa.gov/certificate-of-compliance-2024
Certificate of compliance 2023
Manufacturers that produce food packaging sold in Washington must fill out a Certificate of Compliance to show they meet the PFAS in food packaging rules
https://ecology.wa.gov/certificate-of-compliance-2023
Sept 25 webinar materials
This is the PowerPoint presentation for the webinar conducted on Sept. 25, 2024 for WAC 173-339.
https://ecology.wa.gov/sept-25-webinar-materials
Publication index: Mercury information
List of links to documents related to mercury.
https://ecology.wa.gov/mercury
Publication index: Per- and Poly-fluorinated Alkyl Substances (PFAS)
List of links to documents and posters about PFAS
https://ecology.wa.gov/per-and-poly-fluorinated-alkyl-substances-pfas
Publication index: Polychlorinated Biphenyls (PCBs)
List of links to documents and posters about polychlorinated biphenyls (PCBs)
https://ecology.wa.gov/polychlorinated-biphenyls-pcbs
Hazardous Substances List
Refer to this chemical list when doing your pollution prevention plan. Updated on May 19, 2017.
https://ecology.wa.gov/washington-state-pollution-prevention-planning-haz
Participation Agreement
Cover letter and participation agreement for fire departments that want to participate in the AFFF collection and disposal program
https://ecology.wa.gov/participation-agreement
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