From June 15 - 17, 2021, a representative of EPA conducted an onsite Partial Compliance Evaluation (PCE) of the Respondent facility. EPA submitted to Respondent on August 30, 2021, a Notice of Potential Violation and Opportunity to Confer. Based on the available information, EPA identified the following violations of the CAA section 112(r)(7) and 40 CFR Part 68: 68.73(f)(2), failure to properly identify a proper equipment component, which resulted in an incident that released approximately 2,385 pounds of propane on February 23, 2017; and, 68.79(a), failure to certify compliance audits, including the most recent compliance audit conducted in 2020.