Chapter 173-460 WAC

On Nov. 22, 2019, Ecology amended Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants. This rule includes air quality permitting requirements for businesses that emit toxic air pollutants.

The rulemaking uses the most recent, best available health effects information to:

Update the list of toxic air pollutants.
Recalculate:
- Acceptable source impact levels (ASIL)
- Small quantity emission rates (SQER)
- De minimis emission values
Update the rule to support the changes described above.

We are updating other parts of the rule through a related, but different, process we call exploratory rulemaking.

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View additional languages: Español | 中文 | Tiếng Việt | 한국어

Rulemaking timeline

Timeline

Date	Activity
July 18, 2018	Announced rulemaking (filed CR-101 form)
Late summer 2018 – Spring 2019	Held stakeholder meetings Developed and prepared rule language
June 4, 2019	Proposed rule (file CR-102 form) Started public comment period
July 16, 2019	Held public hearing
July 23, 2019	Ended public comment period
Summer – Fall 2019	Reviewed public comments Prepared adoption package
Nov. 22, 2019	Adopted rule (filed CR-103 form)
Dec. 23, 2019	Rule effective 31 days after filing

Announcement phase (CR-101)

Filing date:
July 18, 2018

Announcement documents

Announcement Notice – CR-101 form

Rule development phase

July 18, 2018 – June 3, 2019

Public input & involvement

Ecology's meetings with stakeholders

Date	Documents	Location
Monday Aug. 20, 2018 10 a.m. – noon	• Agenda • Washington's air toxics rule • Methods for updating the list of toxic air pollutants • 2018 draft Acceptable Source Impact Levels (ASIL) summary list • 2018 ASIL options (spreadsheet) • Meeting summary	Ecology, Lacey (map to location) webinar
Wednesday Oct. 10, 2018 1:30 p.m. – 3:30 p.m.	• Agenda • Presentations • Toxicity equivalence and early life adjustment factors • Dimethyl mercury inhalation risk screening concentration • Dimethyl mercury poster	Ecology, Lacey (map to location) webinar
Friday Nov. 16, 2018 1 p.m. – 3 p.m.	• Criteria pollutants as toxic air pollutants	Ecology, Lacey (map to location) webinar
Monday Dec. 10, 2018 10 a.m. – noon	• Ammonium sulfate as a toxic air pollutant • Far West Agribusiness Association • McGregor • Simplot • Two Rivers Terminal	Three Rivers Convention Center, Kennewick (directions) webinar
Wednesday Jan. 23, 2019 1 p.m. – 3 p.m.	• Establishing small quantity emission rates (SQER) • Evaluating if SQER and de minimis emission values should be the same • 2019 draft ASIL, SQER, de minimis emission values (spreadsheet) • SQER and de minimis emission values presentation • Olympic Region Clean Air Agency's comments • Meeting summary (revised)	Ecology, Lacey (map to location) webinar
Thursday Feb. 21, 2019 1 p.m. – 3 p.m.	Agenda • Ecology's recommendations • 2019 draft Acceptable Source Impact Levels (ASIL) summary list • 2019 ASIL options (spreadsheet) • Toxicity equivalence technical memo • Early life adjustment factors memo • Ammonium sulfate memo	Ecology, Lacey (map to location) webinar
Monday March 11, 2019 1 p.m. – 3 p.m.	Agenda • Ecology's recommendations • Draft rule language • 2019 draft table of ASIL, SQER, and de minimis emission values • 2019 Acceptable Source Impact Levels (ASIL) summary list (spreadsheet) • Meeting summary • National Council for Air and Stream Improvement's (NCASI) comments	Ecology, Lacey (map to location) webinar

Rule proposal phase (CR-102)

Filing date:
June 4, 2019

Rule proposal documents:

Comment period

Comments were due by July 23, 2019. We accepted comments in the following ways:

Comment online. View comments.
Attend a public hearing (in person and webinar):

July 16, 2019 at 10 a.m.
Department of Ecology
300 Desmond Drive SE
Lacey, WA 98503

Mail to: Elena Guilfoil
Department of Ecology
Air Quality Program
P.O. Box 47600
Olympia, WA 98504-7600

Public hearing location

Date/Time: July 16, 2019 at 10 a.m.

Location: In person and webinar
Department of Ecology
300 Desmond Drive SE
Lacey, WA 98503

Agenda: Presentation, question-and-answer session, followed by public hearing

Accessibility
To request ADA accommodation for the public hearing, email Ecology’s ADA coordinator by July 1, 2019. Or call (360) 407-6831, 711 (relay service), or 877-833-6341 (TTY).

Rule adoption phase (CR-103)

Adoption date:
Nov. 22, 2019

Rule effective date:
Dec. 23, 2019

Rule adoption documents:

Additional languages

Español (Spanish)

El Departamento de Ecología ha adoptado enmiendas al Capítulo 173-460 Controles de WAC para nuevas fuentes de contaminantes tóxicos del aire. (Controls for New Sources of Toxic Air Pollutants). Esta regla incluye requisitos de permisos de calidad del aire para los negocios que emiten contaminantes tóxicos del aire. Esta reglamentación actualizará la lista de contaminantes tóxicos del aire.

Para más información, por favor llame a Elena Guilfoil a 360-407-6855 y solicite un intérprete.

中文 (Chinese)

華盛頓州生態管理署正式修訂華盛頓州行政法令173-460章 - 空氣有毒污染物質新來源管治條款(Control for New Sources of Toxic Air Pollutants)。本修訂章程包括商業有毒污染物質排放許可規定。本修訂章程也將更新空氣有毒污染物質的名單。

若需更多訊息, 請聯絡 Elena Guilfoil 電話: 360-407-6855並要求提供翻譯員服務。

Tiếng Việt (Vietnamese)

Bộ Môi Sinh đã phê chuẩn phần bổ sung cho Chương 173-460 WAC: Kiểm Soát Các Nguồn Mới Gây Ra Chất Ô Nhiễm Không Khí Độc Hại (Controls for New Sources of Toxic Air Pollutants). Luật bao gồm quy định buộc các công ty phải có giấy phép chất lượng không khí nếu phát thải chất ô nhiễm không khí độc hại. Luật này sẽ cập nhật danh sách các chất ô nhiễm không khí độc hại.

Để biết thêm thông tin hoặc cần thông dịch viên, xin liên hệ Elena Guilfoil tại số 360-407-6855.

한국어 (Korean)

워싱톤 주 환경부는 독성 대기 오염물질의 새로운 오염원에 관한 법 (Chapter 173-460 WAC: Controls for New Sources of Toxic Air Pollutants)을 수정후 제정하였습니다. 이 법은 독성 대기 오염 물질을 배출하는 출처에 대한 허가 사항을 포함하고 있으며, 이번 수정으로 인해 독성 대기 오염 물질 목록이 수정 보완될 것 입니다

보다 자세한 정보를 원하시면 Elena Guilfoil씨에게 전화해서 통역을 요청하십시오 (360-407-6855).

Contact information

Elena Guilfoil
Rulemaking Lead
elena.guilfoil@ecy.wa.gov
360-407-6855

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Accessibility

To request ADA accommodation for disabilities, or printed materials in a format for the visually impaired, contact Ecology's ADA Coordinator by email at ecyadacoordinator@ecy.wa.gov, or call 360-407-6831. People with impaired hearing may call Washington Relay Service at 711. People with speech disability may call TTY at 877-833-6341.

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