Air Plan Approval; WA; Update to Materials Incorporated by Reference

Publication Date: 
Tuesday, August 3, 2021 - 4:00am

The Environmental Protection Agency (EPA) is updating the regulatory materials incorporated by reference into the Washington State Implementation Plan (SIP). The regulations addressed in this action were previously submitted by the Washington Department of Ecology and approved by the EPA in prior rulemakings. This action is an administrative change that updates the SIP materials available for public inspection at the National Archives and Records Administration and the EPA Regional Office.

Environmental Protection Agency