Research & Data

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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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Research & Data

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

Research & Data icon

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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Reducing toxic chemicals
Adopted rule language (WAC 173-910) 08/23/16
Thsi is adopted rule language for WAC 173-910 Mercury-Containing Lights Product Stewardship Program.
https://ecology.wa.gov/adopted-rule-language-wac-173-910-08-23-16
Children's Safe Products Act Reporting Contaminants
Clarification on reporting contaminants under the Children's Safe Products Act. This includes manufacturing control programs and due diligence.
https://ecology.wa.gov/children-s-safe-products-act-reporting-contaminant
Rulemaking Proposal (WAC 173-337) 12/07/22
This is a rulemaking proposal (CR-102) for WAC 173-337 Safer Products Restrictions and Reporting.
https://ecology.wa.gov/rulemaking-proposal-wac-173-337-12-07-22
Rulemaking proposed language (WAC 173-337) 12/07/22
This is proposed rule language for WAC 173-337 Safer Products Restrictions and Reporting
https://ecology.wa.gov/rulemaking-proposed-language-wac-173-337-12-07-22
Definitions Work Group Agenda - December 16, 2014
Definitions Work Group Agenda - December 16, 2014
https://ecology.wa.gov/definitions-work-group-agenda-december-16-2014
Definitions Work Group Agenda - December 2, 2014
Definitions Work Group Agenda - December 2, 2014
https://ecology.wa.gov/definitions-work-group-agenda-december-2-2014
Definitions Work Group Agenda - January 6, 2015
Definitions Work Group Agenda - January 6, 2015
https://ecology.wa.gov/definitions-work-group-agenda-january-6-2015
Definitions Work Group Notes - June 16, 2015
Definitions Work Group Notes - June 16, 2015
https://ecology.wa.gov/definitions-work-group-notes-june-16-2015
Definitions Work Group Notes - November 18, 2014
Definitions Work Group Notes - November 18, 2014
https://ecology.wa.gov/definitions-work-group-notes-november-18-2014
DRAFT Chapter 173-339 WAC Cosmetic Products Restrictions
This is the draft rule language for Chapter 173-339 WAC Cosmetic Products Restrictions.
https://ecology.wa.gov/draft-chapter-173-339-wac-cosmetic-products-restrictions-07-24
Draft rule language WAC 173-337
This is the draft rule language for WAC 173-337.
https://ecology.wa.gov/draft-rule-language-wac-173-337
AFFF EIS interactive plain text
This is the plain text version of the interactive AFFF environmental impact statement (EIS).
https://ecology.wa.gov/afff-eis-plain-text
Rulemaking Announcement (WAC 173-339) 12/19/24
Rulemaking Announcement CR 101
https://ecology.wa.gov/rulemaking-announcement-wac-173-339-12-19-24
Rulemaking Proposal (WAC 173-339) 02/6/25
This is a rulemaking proposal (CR-102) for WAC 173-339 Title.
https://ecology.wa.gov/rulemaking-proposal-wac-173-339-01-30-25
Rulemaking proposed language (WAC 173-339)
This is the proposed rule language for WAC 173-339.
https://ecology.wa.gov/rulemaking-proposed-language-wac-173-339-01-30-25
Online tool: Consumer Products Database
Various consumer products are tested to ensure state and federal rules are met.
https://ecology.wa.gov/online-tool-consumer-products-database
Resources: 6PPD informational materials and resource links
Access more information about 6PPD and find 6PPD-quinone resources.
https://ecology.wa.gov/resources-6ppd-informational-materials-and-resource-links
Email list: Toxic-Free Cosmetics Act
Sign up for the Toxic-Free Cosmetics Act (TFCA) email list to stay up to date on this law.
https://ecology.wa.gov/email-list-toxic-free-cosmetics-act
Survey: PCB program contractors
This is the survey for contractors to express interest in the PCB lights incentive program.
https://ecology.wa.gov/survey-pcb-program-contractors
Email list: Pollution Prevention (P2) planner
Sign up for updates about topics related to pollution prevention plans and other P2 updates.
https://ecology.wa.gov/email-list-pollution-prevention-p2-planner
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