{"data":{"id":"us/40-cfr-96.303","jurisdiction":"us","citation":"40 CFR 96.303","heading":"Measurements, abbreviations, and acronyms.","body":"Measurements, abbreviations, and acronyms used in this subpart and subparts BBBB through IIII are defined as follows:\nBtu—British thermal unit\nCO2—carbon dioxide\nH2O—water\nHg—mercury\nhr—hour\nkW—kilowatt electrical\nkWh—kilowatt hour\nlb—pound\nmmBtu—million Btu\nMWe—megawatt electrical\nMWh—megawatt hour\nNOX—nitrogen oxides\nO2—oxygen\nppm—parts per million\nscfh—standard cubic feet per hour\nSO2—sulfur dioxide\nyr—year","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 96—NOX BUDGET TRADING PROGRAM AND CAIR NOX AND SO2 TRADING PROGRAMS FOR STATE IMPLEMENTATION PLANS","Subpart AAAA—CAIR NOX Ozone Season Trading Program General Provisions"],"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":"e2172de4543cb9920b7d84caf63a969dfe95a52e1d415fdfdfd742df6eae4886","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-96.302","next":"us/40-cfr-96.304"},"notice":"GroundRules: Original legal text. Not legal advice."}