{"data":{"id":"us/40-cfr-98.290","jurisdiction":"us","citation":"40 CFR 98.290","heading":"Definition of the source category.","body":"(a) A soda ash manufacturing facility is any facility with a manufacturing line that produces soda ash by one of the methods in paragraphs (a)(1) through (3) of this section:\n(1) Calcining trona.\n(2) Calcining sodium sesquicarbonate.\n(3) Using a liquid alkaline feedstock process that directly produces CO2.\n(b) In the context of the soda ash manufacturing sector, “calcining” means the thermal/chemical conversion of the bicarbonate fraction of the feedstock to sodium carbonate.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 98—MANDATORY GREENHOUSE GAS REPORTING","Subpart CC—Soda Ash Manufacturing"],"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":"ce139455bd0e629e87039a396ae8fb60eead5851cf3ad3343bb2d95f797b2a4a","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-98.288","next":"us/40-cfr-98.291"},"notice":"GroundRules: Original legal text. Not legal advice."}