Regulations & Permits - Washington State Department of Ecology

Pasco Basin Groundwater Subarea

Rulemaking Announcement (WAC 173-135)

https://ecology.wa.gov/wac-173-135_-21-01

Updating the Air Toxics Rule (WAC 173-460)

This is the overview of rulemaking for WAC 173-460, Controls for New Sources of Toxic Air Pollutants,

https://ecology.wa.gov/updating-the-air-toxics-rule

Unofficial rule language - readable format (WAC 173-442) 05/31/16

This is Unofficial rule language - readable format for WAC 173-442.

https://ecology.wa.gov/unofficial-rule-language-readable-format-wac-17

Two Rivers Terminal comments (WAC 173-460) 12/18

These are Two Rivers Terminal's 12/18 comments to remove ammonium sulfate from the toxic air pollutant list, Chapter 173-460 WAC.

https://ecology.wa.gov/two-rivers-terminal-comments

Utility Carbon Intensity Calculator (WAC 173-424) 11-28-22

This is the November 28, 2022 spreadsheet of Washington utility carbon intensity calculator.

https://ecology.wa.gov/utility-carbon-intensity-calculator-wac-173-424-11

Utility Carbon Intensity Calculator (WAC 173-424) 06-30-22

This is the June 30, 2022 spreadsheet of Washington utility carbon intensity calculator.

https://ecology.wa.gov/utility-carbon-intensity-calculator-wac-173-424-06

Utility Carbon Intensity Calculator (WAC 173-424) 04/04/22

This is the April 4, 2022 spreadsheet of Washington utility carbon intensity calculator.

https://ecology.wa.gov/utility-carbon-intensity-calculator-wac-173-424-04

WA-GREET electric power final (WAC 173-424) 06-30-22

This is the June 30, 2022 final supporting documentation for electric power pathway in WA-GREET, Washington's version of the Greenhouse Gases, Regulated Emissions, and Energy Use in Technologies Model.

https://ecology.wa.gov/wa-greet-electric-power-final-wac-173-424-06-30-22

WA-GREET electric (WAC 173-424) 06-30-22

This is the June 30, 2022 supporting documentation for electric power pathway in WA-GREET, Washington's version of the Greenhouse Gases, Regulated Emissions, and Energy Use in Technologies Model.

https://ecology.wa.gov/wa-greet-electric-wac-173-424-06-30-22

WA-GREET supplemental (WAC 173-424) 04/04/22

This is the April 4, 2022 supporting documentation for WA-GREET, Washington's version of the Greenhouse Gases, Regulated Emissions, and Energy Use in Technologies Model.

https://ecology.wa.gov/wa-greet-supplemental-wac-173-424-04-04-22

WA-GREET supplemental (WAC 173-424) 03/08/22

This is supporting documentation for WA-GREET, Washington's version of the Greenhouse Gases, Regulated Emissions, and Energy Use in Technologies Model.

https://ecology.wa.gov/wa-greet-supplemental-wac-173-424-03-08-22

Utah GREET model (WAC 173-424) 11-28-22

This spreadsheet is the final Utah GREET model, fuel carbon intensity calculator for Clean Fuels Program, November 28, 2022.

https://ecology.wa.gov/utah-greet-model-wac-173-424-11-28-22

Utah GREET model (WAC 173-424) 07-15-22

This spreadsheet is the Utah GREET model, fuel carbon intensity calculator for Clean Fuels Program, July 15, 2022.

https://ecology.wa.gov/utah-greet-model-wac-173-424-07-15-22

Tires work group notes - Dec 18, 2014 (revised Mar 17, 2015)

https://ecology.wa.gov/tires-work-group-notes-dec-18-2014-revised-mar

Tires work group notes - July 9, 2015

https://ecology.wa.gov/tires-work-group-notes-july-9-2015

Track change preliminary draft of the Sand and Gravel General Permit.

Edits to the preliminary draft of the Sand and Gravel General Permit.

https://ecology.wa.gov/track-changes-preliminary-draf

WAC173-925

This document is the Washington Administrative Code (WAC) for post-consumer recycled content in plastic containers.

https://ecology.wa.gov/wac173-925

WAC 173-925 Rule adoption notice

This is the CR-103 form for adoption of WAC 173-925 rulemaking.

https://ecology.wa.gov/wac-173-925-rule-adoption-notice

Tug Escort Rulemaking public meeting presentation

Tug Escort Rulemaking presentation for public meeting

https://ecology.wa.gov/tug-escort-rulemaking-public-meeting-presentation

Underwater Noise Slides

Slides for the Underwater Noise Deep Dive Meeting

https://ecology.wa.gov/underwater-noise-slides