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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2019 Draft Acceptable Source Impact Levels (ASIL) Options (WAC 173-460) 02/14/19

This is a 2/14/19 spreadsheet of options to update the list of acceptable source impact levels (ASIL) in Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/2019-draft-asil-options-wac-173-460-02-05-19

1909_Hearing Agenda_173-185_Oct 7

October 7 Agenda for Chapter 173-185 WAC meeting

https://ecology.wa.gov/1909_hearing-agenda_173-185_oct-7

1909_Hearing Agenda_173-185_Oct 13

October 13 Agenda for Chapter 173-185 WAC meeting

https://ecology.wa.gov/1909_hearing-agenda_173-185_oct-13

2018 Draft Acceptable Source Impact Levels (ASIL) Options (WAC 173-460) 07/26/18

This is a 7/26/18 spreadsheet of options to update the list of acceptable source impact levels (ASIL) in Chapter 173-460 WAC.

https://ecology.wa.gov/2018-asil-options-wac-173-460-07-26-18

2019 Draft ASIL SQER Deminimis Values (WAC 173-460) 03/04/19

This is a table of options to update the list of acceptable source impact levels (ASIL), small quantity emission rates (SQER), and de minimis emission values in Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/2019-draft-asil-sqer-deminimis-values-wac-173-460

1909_Hearing Agenda_173-185_Oct 20

October 20 Agenda for Chapter 173-185 WAC meeting

https://ecology.wa.gov/1909_hearing-agenda_173-185_oct-20

2019 draft ASIL, SQER, de minimis emission values (WAC 173-460) 01/17/19

This is a spreadsheet of options to update the list of acceptable source impact levels (ASIL), small quantity emission rates (SQER), and de minimis emission values in Chapter 173-460 WAC.

https://ecology.wa.gov/20190107-drafttable

2018 Draft Acceptable Source Impact Levels (ASIL) Summary List (WAC 173-460) 07/26/18

This is the 7/26/18 draft summary list of Acceptable Source Impact Levels (ASIL) in Chapter 173-460 WAC.

https://ecology.wa.gov/2018-draft-asil-list-wac-173-460-07-26-18

10-29-20 GAP rule webinar presentation

A PowerPoint presentation shared with participants in the Oct. 29 webinar for the GAP rule.

https://ecology.wa.gov/10-29-20-presentation

2017 Baseline Carbon Intensities for Blended Fuels (WAC 173-424) 11-28-22

This is a spreadsheet of 2017 baseline carbon intensities for blended fuels, November 28, 2022 version.

https://ecology.wa.gov/2017-baseline-carbon-intensities-for-blended-f-2

Greenhouse Gas Assessment for Projects (GAP) Rulemaking October 2020 Meeting Summary

Meeting summary for 10-29-20 public rulemaking webinar

https://ecology.wa.gov/10-29-20-meeting-summary

2017 Baseline Carbon Intensities for Blended Fuels (WAC 173-424) 7-15-22

This is a spreadsheet of 2017 baseline carbon intensities for blended fuels, July 15, 2022 version.

https://ecology.wa.gov/2017-baseline-carbon-intensities-for-blended-f-1

2017 Baseline Carbon Intensities for Blended Fuels (WAC 173-424) 04-22

This is a spreadsheet of 2017 baseline carbon intensities for blended fuels, April 2022 version.

https://ecology.wa.gov/2017-baseline-carbon-intensities-for-blended-fuels

10-21-24 Meeting Agenda

This is the agenda for the Oct. 21, 2024 meeting of the Battery Stewardship Rulemaking Advisory Committee.

https://ecology.wa.gov/10-21-24-meeting-agenda

10-21-24 Meeting read-along document

This is a read-along document for the Oct. 21, 2024 meeting of the Battery Stewardship Rulemaking advisory committee.

https://ecology.wa.gov/10-21-24-meeting-read-along-document

10-21-24 Presentation

This is a presentation for the Oct. 21, 2024 meeting of the Battery Stewardship Rule Advisory Committee.

https://ecology.wa.gov/10-21-24-presentation

10-21-27 Meeting notes

This document contains the Oct. 21, 2024 meeting notes of the Advisory Committee on battery stewardship rulemaking in Washington.

https://ecology.wa.gov/10-21-27-meeting-notes

12-10-24 CR-101 form

This is the CR-101 form for announcing WAC 173-350 rulemaking on organics management.

https://ecology.wa.gov/12-10-24-cr-101-form

12-16-24 Meeting agenda

This is the meeting agenda for the Battery Rulemaking Advisory Committee's Dec. 16, 2024 meeting.

https://ecology.wa.gov/12-16-24-meeting-agenda

12-16-24 Meeting read-along document

This is a read-along document for the Dec. 16, 2024 meeting of the Battery Stewardship Rulemaking advisory committee.

https://ecology.wa.gov/12-16-24-meeting-read-along-document