On December 20, 2021, EPA Region 1 entered into an Administrative Order on Consent (AOC) with 595 Mix Management LLC of Hamden, Connecticut, resolving a violation of Section 112(r) of the Clean Air Act at the Louis Astorino Arena. This AOC stemmed from nationally approved compliance and enforcement pilot under the CAA 112(r) General Duty Clause, which is designed to ensure that small ammonia refrigeration facilities (< 10,000 pounds) have completed process hazard reviews of their systems. EPA elected to address the violation with an AOC instead of an Expedited Settlement Agreement, as is the typical outcome of the enforcement pilot, because the Facility's refrigeration system has less than 1,000 pounds of ammonia. The AOC requires 595 Mix Management LLC to: 1) hire an expert to complete a Process Hazard Review, 2) coordinate with local emergency responders, 3) file any missing Tier II forms, and 4) provide EPA with a short statement about plans it has to improve safety at the Facility as a result of conducting the Process Hazard Review. According to EPA's EJ Screen application, the Facility is located in or near an area in which the following Primary EJ Indexes are at or above the 80th percentile nationally: Superfund proximity, RMP proximity, and Hazardous Waste proximity. Connecticut is not delegated to implement this program.