On November 19, 2024, EPA Region 3 issued an Administrative Compliance Order on Consent (Order) to Stoney Ridge Fabricators, LLC (Stoney Ridge), the owner and operator of a custom plate and miscellaneous steel fabrication facility located at 945 Mauch Chunk Road in Palmerton, Pennsylvania (Facility). Based on a May 11, 2022 inspection and responses to February 28, 2023, May 16, 2024 and June 10, 2024 EPA information request letters, the EPA has determined that Stoney Ridge is subject to the National Emission Standards for Hazardous Air Pollutants: Area Source Standards for Nine Metal Fabrication and Finishing Source Categories, codified at 40 C.F.R. Part 63, Subpart XXXXXX (?Metal Fabricating and Finishing NESHAP?) based on information showing that: (1) the Facility is an area source because, upon information and belief, it emits and likely has a potential to emit less than 10 tpy or more of any single hazardous air pollutant ( HAP ) and less than 25 tpy or more of any combination of HAP; (2) Respondent commenced construction or reconstruction of the equipment necessary to perform machining operations before April 3, 2008; (3) at least 50 percent of production at the Facility involves fabricating metal products or plate work, and (4) the Facility conducts machining operations that on occasion uses material containing cadmium, chromium, lead, or nickel in amounts greater than or equal to 0.1 percent by weight (as the metal), or manganese in amounts greater than or equal to 1.0