{"data":{"id":"us/40-cfr-63.8182","jurisdiction":"us","citation":"40 CFR 63.8182","heading":"Am I subject to this subpart?","body":"(a) You are subject to this subpart if you own or operate a mercury cell chlor-alkali plant.\n(b) You are required to obtain a title V permit, whether your affected source is a part of a major source of hazardous air pollutant (HAP) emissions or a part of an area source of HAP emissions. A major source of HAP is a source that emits or has the potential to emit any single HAP at a rate of 10 tons or more per year or any combination of HAP at a rate of 25 tons or more per year. An area source of HAP is a source that has the potential to emit HAP but is not a major source. Nothing in this subpart revises how affected sources are aggregated for purposes of determining whether an affected source is a part of an area, nonmajor, or major source under any provisions of the Clean Air Act (CAA) or EPA's regulations. For information on aggregating affected sources to determine what is a source under title V, see the definition of major source in 40 CFR 70.2, 71.2 and 63.2.\n(c) Beginning on December 19, 2006, the provisions of subpart E of 40 CFR part 61 that apply to mercury cell chlor-alkali plants, which are listed in paragraphs (c)(1) through (3) of this section, are no longer applicable.\n(1) § 61.52(a);\n(2) § 61.53(b) and (c); and\n(3) § 61.55(b), (c) and (d).","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES","Subpart IIIII—National Emission Standards for Hazardous Air Pollutants for Mercury Cell Chlor-Alkali Plants"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"fd378bdb0abb65be0103a6fc530c22eba835d2fbc399a39690e98f4e00cc6f6c","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.8180","next":"us/40-cfr-63.8184"},"notice":"GroundRules: Original legal text. Not legal advice."}