Regulation & law · 07/12/2021

EPA Proposes Revisions to Washington State Clean Air Plan

The Environmental Protection Agency (EPA) is proposing to update the Washington State Implementation Plan (SIP) for the Yakima Regional Clean Air Agency (YRCAA) to reflect changes to the state's air quality regulations, which were previously approved by the EPA in 2014, 2015, 2016, and 2020.