Approval and Promulgation of Air Quality Implementation Plans; Idaho; Update to Materials Incorporated by Reference

The Environmental Protection Agency (EPA) is updating the materials that are incorporated by reference (IBR) into the Idaho State Implementation Plan (SIP). The regulations affected by this update have been previously submitted by the Idaho Department of Environmental Quality and approved by the EPA. In this action, the EPA is also notifying the public of corrections to typographical errors and minor formatting changes to the IBR tables. This update affects the SIP materials that are available for public inspection at the National Archives and Records Administration (NARA), the Air and Radiation Docket and Information Center located at the EPA's Headquarters in Washington, DC, and the EPA Regional Office.