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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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Agenda stakeholder mtg (WAC 173-400) 09/12/18

This is the agenda for the 9/12/18 stakeholder meeting for Chapter 173-400 WAC, General Regulations for Air Pollution Sources.

https://ecology.wa.gov/agenda-stakeholder-mtg-wac-173-400-09-12-18

Agenda (WAC 173-455) 6-8-22

This is the agenda for the June 8, 2022 stakeholder meeting for Chapter 173-455 WAC, Air Quality Fee Rule.

https://ecology.wa.gov/agenda-wac-173-455-6-8-22

Agenda (WAC 173-444) 05/13/20

This is the agenda for the 5/13/20 stakeholder meeting for Chapter 173-444 WAC, Clean Energy Transformation Rule.

https://ecology.wa.gov/agenda-wac-173-444-05-13-20

Agenda (WAC 173-441) 07/22/21

This is the agenda for the 7/22/21 stakeholder meeting for Chapter 173-441 WAC, Reporting of Emissions of Greenhouse Gases.

https://ecology.wa.gov/agenda-wac-173-441-07-22-21

Agenda stakeholder mtg (WAC 173-400) 10/16/18

This is the agenda for the 10/16/18 stakeholder meeting for Chapter 173-400 WAC, General Regulations for Air Pollution Sources.

https://ecology.wa.gov/agenda-stakeholder-mtg-wac-173-400-10-16-18

Agenda stakeholder mtg (WAC 173-400) 12/20/18

This is the agenda for the 12/20/18 stakeholder meeting for Chapter 173-400 WAC, General Regulations for Air Pollution Sources.

https://ecology.wa.gov/agenda-stakeholder-mtg-wac-173-400-12-20-18

Agenda (WAC 173-444) 03/16/20

This is the agenda for the 2/12/20 stakeholder meeting for Chapter 173-444 WAC, Clean Energy Transformation.

https://ecology.wa.gov/agenda-wac-173-444-03-16-20

Agenda (WAC 173-455) 5-18-22

This is the agenda for the May 18, 2022 stakeholder meeting for Chapter 173-455 WAC, Air Quality Fee Rule.

https://ecology.wa.gov/agenda-wac-173-455-5-18-22

Agenda (WAC 173-444) 02/12/20

This is the agenda for the 2/12/20 stakeholder meeting for Chapter 173-444 WAC, Clean Energy Transformation.

https://ecology.wa.gov/agenda-wac-173-444-02-12-20

Agenda stakeholder mtg (WAC 173-400) 01/24/19

This is the agenda for the 1/24/19 stakeholder meeting for Chapter 173-400 WAC, General Regulations for Air Pollution Sources.

https://ecology.wa.gov/agenda-stakeholder-mtg-wac-173-400-01-24-19

Agenda (WAC 173-444) 01/14/20

This is the agenda for the 1/14/20 stakeholder meeting for Chapter 173-444 WAC, Clean Energy Transformation.

https://ecology.wa.gov/agenda-wac-173-444-01-14-20

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

This is the agenda for the 1/28/20 stakeholder meeting for Chapter 173-443 WAC, Hydrofluorocarbons.

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

Agenda (WAC 173-443) 5/10/22

This is the agenda for the May 10, 2022 stakeholder meeting for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/agenda-wac-173-443-5-10-22

Agenda (WAC 173-443) 3/31/22

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

https://ecology.wa.gov/agenda-wac-173-443-3-31-22

Agenda (WAC 173-424) 11/16/21

This is the agenda for the November 16, 2021 stakeholder meeting for Chapter 173-424 WAC, Clean Fuels Program Rule.

https://ecology.wa.gov/agenda-wac-173-424-11-16-21

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

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

https://ecology.wa.gov/20191217-hfcstakeholderagenda

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

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

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

Agenda (WAC 173-460) 02/21/2019

This is the agenda for the 2/21/19 stakeholder meeting for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/agenda-wac-173-460-02-21-2019

Agenda stakeholder mtg (WAC 173-460) 10/10/18

This is the agenda for the 10/10/18 stakeholder meeting for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/agenda-stakeholder-mtg-wac-173-460-10-10-18

Agenda 08/20/18

This is the agenda for the 8/20/18 stakeholder meeting for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/agenda-wac-173-460-08-20-2018