On August 7, 2023, EPA RMP Reporting Center sent a letter to Respondent, notifying Respondent of its failure to update the RMP on file with EPA for the Facility. EPA conducted an investigation of the Facility on April 22, 2025, to determine Respondent's compliance with
Section 112(r) of the CAA, 42 U.S.C. ? 7412(r), and 40 C.F.R. Part 68 (the Investigation ). Based on the information provided by the Respondent, as of August 18, 2020, the Facility no longer has a regulated substance above the applicable threshold quantity onsite.