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Comment Period

Yakima Regional Clean Air Agency Rule Change

State Implementation Plan (SIP)

April 8, 2021 - May 20, 2021, 11:59 p.m.

Ecology proposes to send EPA the revised air quality State Implementation Plan (SIP) to include Yakima Regional Clean Air Agency's updated rules.

The revised State Implementation Plan (SIP):

  • Removes Yakima Regional Clean Air Agency's outdated rules
  • Adds their current rules

Document for review:

Tentative public hearing:  

if requested by May 10, 2021
May 17, 2021, 11 a.m. online

Request a public hearing by using the online comment form linked below. If we do not receive a request for a public hearing by May 10, 2021, we will cancel it and update this page.


State Implementation Plan (SIP) is a general cleanup plan for air.  It describes how Washington carries out, maintains, and enforces national air quality standards.

The State Implementation Plan explains how Washington will lower air pollution from sources like transportation, wood smoke, and industry. Sections of the plan are customized to meet regional air quality needs.

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Comment online

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Comment by mail

Jacob Berkey
Washington Department of Ecology
Air Quality Program
P.O. Box 47600
Olympia, WA 98504-7600
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Jacob Berkey
Environmental Planner

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