{"data":{"id":"us/40-cfr-table-w-3-to-subpart-w-of-part-98","jurisdiction":"us","citation":"40 CFR Table W-3 to Subpart W of Part 98","heading":"Table W-3 to Subpart W of Part 98—Default Total Hydrocarbon Population Emission Factors","body":"Industry segment Source type/component Emission factor (scf total hydrocarbon/ hour/component)\nPopulation Emission Factors—Storage Wellheads, Gas Service\nUnderground natural gas storage Connector 0.01\nValve 0.1\nPressure Relief Valve 0.17\nOpen-Ended Line 0.03","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 98—MANDATORY GREENHOUSE GAS REPORTING","Subpart W—Petroleum and Natural Gas Systems"],"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":"632723bda4b0107ea243ef834d19f18a6a950087b9d6035e778a08894f7baff3","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-w-2-to-subpart-w-of-part-98","next":"us/40-cfr-table-w-4-to-subpart-w-of-part-98"},"notice":"GroundRules: Original legal text. Not legal advice."}