Chapters 173-442 and 173-441 WAC

Clean Air Rule - Chapter 173-442 WAC 
Reporting of Emissions of Greenhouse Gases - Chapter 173-441 WAC




Washington Clean Air Act

The following is a list of documents available as part of this rulemaking.

Rule Adoption - September 15, 2016

Rule Proposal - May 31, 2016

Withdrawn Rule Proposal

Rule Announcement

Accessibility (ADA)

For special accommodations or documents in alternate format, call 360-407-6800, 711 (relay service), or 877-833-6341 (TTY). Ecology's ADA Accessibility page.

Para información en español acerca del cambio climático global o la Regla de Aire Limpio, favor de contactar a Gretchen Newman, (360) 407-6097 o

For questions in languages other than English or Spanish, please contact Jason Alberich at (360) 407-6082 and we will connect with you through an interpreter.