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.

See more about this collection...

Agenda (WAC 173-446) 01/11/22

This is the agenda for the January 11, 2022 stakeholder meeting for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/agenda-wac-173-446-01-11-22

Agenda (WAC 173-446A) 09/21/21

This is the agenda for the September 21, 2021 stakeholder meeting for Chapter 173-446A WAC, Criteria for Emissions-Intensive, Trade-Exposed Industries.

https://ecology.wa.gov/agenda-wac-173-446a-09-21-21

Comments from the public (WAC 173-442; WAC 173-441) 07/21/16

These are comments from the public.

https://ecology.wa.gov/comments-from-the-public-wac-173-442;-wac-173-441

Agenda (WAC 173-446) 12/16/21

This is the agenda for the December 16, 2021 stakeholder meeting for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/agenda-wac-173-446-12-16-21

Agenda (WAC 173-443) 9-14-22

This is the agenda for the September 14, 2022 stakeholder meeting for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/agenda-wac-173-443-9-14-22

Agenda (WAC 173-446) 11/08/21

This is the agenda for the November 8, 2021 stakeholder meeting for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/agenda-wac-173-446-11-08-21

Comments received from legislators (WAC 173-442; WAC 173-441) 7/22/16

These are comments from legislators.

https://ecology.wa.gov/comments-recieved-from-legislators-wac-173-422;-w

Draft rule language (WAC 173-446) 01/04/22

This is the draft rule language for Chapter 173-446 WAC, Climate Commitment Act Program. (1/4/22 version)

https://ecology.wa.gov/draft-rule-language-wac-173-446-01-11-22

Draft GAP Rule Conceptual Framework for Informal Review

This document provides a narrative description of the concepts being used to draft the GAP rule. It includes changes to the initial ideas presented by the Washington State Department of Ecology (Ecology) in five public webinars from June to November 2020, based on public input and feedback. This document provides information as of the time of release for informal comment.

https://ecology.wa.gov/draft-gap-rule-conceptual-framework-for-informal-r

Draft GAP Rule Language for Informal Review (Definitions and Applicability)

Contains a list of proposed definitions and their applicability to the GAP rule

https://ecology.wa.gov/draft-gap-rule-language-for-informal-review-defin

Draft GAP Rule Questions on Mitigation

We are seeking input from the public on the questions in this document on mitigation for the proposed Greenhouse Gas Assessment for Projects (GAP) rule.

https://ecology.wa.gov/draft-gap-rule-questions-on-mitigation

Draft rule language (WAC 173-443) 9-14-22

This is the September 14, 2022 draft rule language for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/draft-rule-language-wac-173-443-9-14-22

Draft rule language (WAC 173-443) 7-6-22

This is the July 6, 2022 draft rule language for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/draft-rule-language-wac-173-443-7-6-22

Comments from the regulated entities and associations [WAC 173-442; WAC 173-441] 07/22/16

These are comments from the regulated entities and associations.

https://ecology.wa.gov/comments-from-the-regulated-entities-and-associations-wac-173-442;-wac-173-441-07-22-16

CFS Draft Rule - Changes Summary

Summary of proposed changes to WAC 173-424

https://ecology.wa.gov/draft-rule-changes-summary-wac-173-424-8-30-24

Draft rule language (173-424-800 - 173-424-850)

Summary of proposed changes to WAC 173-424-800

https://ecology.wa.gov/draft-rule-language-173-424-800-173-424-850

Draft rule language (tracked) (173-424)

Summary of proposed changes to WAC 173-424

https://ecology.wa.gov/draft-rule-language-tracked-173-424

Draft rule changes summary-updated (WAC 173-424) 12-4-2024

“Rule Changes Summary” is a summary table of the changes we made since our initial draft in August.

https://ecology.wa.gov/draft-rule-changes-summary-wac-173-424-11-26-24

Draft rule language (WAC 173-424) 11-26-24

“November 2024 CFS Draft Rule Language” contains the full draft rule language text

https://ecology.wa.gov/draft-rule-language-wac-173-424-11-26-24