Regulations & Permits

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We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

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Presentation (WAC 173-443) 07/21/20

This is the presentation for the July 21, 2020 public hearing for Chapter 173-443 WAC, Hydrofluorocarbons rulemaking.

https://ecology.wa.gov/presentation-wac-173-443-07-21-20

Presentation (WAC 173-443) 01/28/20

This is the presentation for the January 28, 2020 stakeholder meeting for Chapter 173-443, Hydrofluorocarbons rulemaking.

https://ecology.wa.gov/presentation-wac-173-443-01-28-20

Presentation (WAC 173-443) 12/17/19

This is a presentation for the 12/17/19 stakeholder meeting for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/presentation-wac-173-443-12-17-19

Presentation (WAC 173-443) 11/13-14/19

This is a presentation for the 11/13-14/19 stakeholder meetings for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/presentation-wac-173-443-11-13-14-19

Presentation (WAC 173-443) 1-25-23

This is a presentation for the January 25, 2023 stakeholder meeting for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/presentation-wac-173-443-1-25-23

Presentation (WAC 173-443) 11-17-22

This is a presentation for the November 17, 2022 stakeholder meeting for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/presentation-wac-173-443-11-17-22

Presentation (WAC 173-443) 03/31/22

This is a presentation for the March 31, 2022 stakeholder meeting for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/presentation-wac-173-443-03-31-22

Presentation (WAC 173-443) 02/03/22

This is a presentation for the 2/3/22 stakeholder meeting for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/presentation-wac-173-443-02-03-22

Presentation (WAC 173-441) 7-25-23

This is a presentation for the July 25, 2023 stakeholder meeting for Chapter 173-441 WAC, Electricity Markets.

https://ecology.wa.gov/presentation-wac-173-441-7-25-23

Presentation (WAC 173-441) 8-2-23

This is a presentation for the August 2, 2023 stakeholder meeting for Chapter 173-441 WAC, Electricity Markets.

https://ecology.wa.gov/presentation-wac-173-441-8-2-23

Presentation (WAC 173-441) 8-17-23

This is a presentation for the August 17, 2023 stakeholder meeting for Chapter 173-441 WAC, Electricity Markets.

https://ecology.wa.gov/presentation-wac-173-441-8-17-23

Presentation (WAC 173-441) 9-12-23

This is a presentation for the September 12, 2023 stakeholder meeting for Chapter 173-441 WAC, Electricity Markets.

https://ecology.wa.gov/presentation-wac-173-441-9-12-23

Presentation (WAC 173-441) 9-28-23

These are the presentation slides from the 9/28/23 meeting with the Southwest Power Pool for the Electricity Markets rulemaking.

https://ecology.wa.gov/presentation-wac-173-441-9-28-23

Presentation (WAC 173-441) 11-8-23

These are the presentation slides for the November 8, 2023 public meeting for Chapter 173-441 WAC, Electricity Markets rulemaking.

https://ecology.wa.gov/presentation-wac-173-441-11-8-23

Presentation (WAC 173-441) 1-24-24

These are the presentation slides for the January 24, 2024 meeting on updated draft rule language for the Electricity Markets rulemaking.

https://ecology.wa.gov/presentation-wac-173-441-1-24-24

Cap-and-Invest Linkage Rulemaking Public Meeting

.pdf of July 10 public meeting presentation

https://ecology.wa.gov/presentation-wac-173-441-446-7-10-24

Cap-and-Invest Linkage and Environmental Justice

.pdf presentation for July 22 public meeting on Linkage and Environmental Justice

https://ecology.wa.gov/presentation-wac-173-441-446-7-22-24

Electricity Markets Rulemaking Proposed Rule Overview

.pdf presentation for Aug. 6 & 8 public meetings

https://ecology.wa.gov/presentation-wac-173-441-446-8-6-24-8-8-24

Chapter 173-441 and -446 WAC Linkage Rulemaking - Electricity Considerations

Slideshow presentation from the Cap-and-Invest linkage rulemaking public meeting (Nov. 19, 2024)

https://ecology.wa.gov/presentation-wac-173-441-446-11-19-24

HFCs & other fluorinated greenhouse gases rulemaking

Slideshow presentation

https://ecology.wa.gov/presentation-wac-173-443-12-16-2024