{"data":{"id":"us/40-cfr-98.220","jurisdiction":"us","citation":"40 CFR 98.220","heading":"Definition of source category.","body":"This source category includes a nitric acid production facility using one or more trains to produce weak nitric acid (30 to 70 percent in strength). Starting with reporting year 2018, this source category includes all nitric acid production facilities using one or more trains to produce nitric acid (any strength). A nitric acid train produces nitric acid through the catalytic oxidation of ammonia.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 98—MANDATORY GREENHOUSE GAS REPORTING","Subpart V—Nitric Acid Production"],"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":"0db73cb97fbf188c5b97aeb363aea53754a98210c044671637364b7aec21014f","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-u-1-to-subpart-u-of-part-98","next":"us/40-cfr-98.221"},"notice":"GroundRules: Original legal text. Not legal advice."}