EPA conducted an investigation of the Facility on January 6, 2026, to determine Respondent's compliance with Section 11 (r) of the CAA, 42 U.S.C. � 7412(r), and 40 C.F.R. Part 68 (the Investigation ). On August 10, 2025, EPA RMP Reporting Center sent a letter to Respondent, notifying Re pendent of its failure to update the RMP on file with EPA for the Facility. Based upon the information gathered during the Investigation, EPA determined that the Respondent violated certain provisions of the CAA.