Revisions to the Commonwealth of the Northern Mariana Islands State Implementation Plan, Update to Materials Incorporated by Reference

EPA is updating the materials submitted by the Commonwealth of the Northern Mariana Islands that are incorporated by reference (IBR) into the Commonwealth of the Northern Mariana Islands State Implementation Plan (SIP). The regulations affected by this update have been previously submitted by the territorial agency and approved by EPA. This update affects the SIP materials that are available for public inspection at the Office of the Federal Register (OFR), Office of Air and Radiation Docket and Information, and the Regional Office.