{"data":{"id":"us/40-cfr-table-3-to-subpart-rrrrr-of-part-63","jurisdiction":"us","citation":"40 CFR Table 3 to Subpart RRRRR of Part 63","heading":"Table 3 to Subpart RRRRR of Part 63—Hydrogen Chloride and Hydrogen Fluoride Emission Limits for Indurating Furnaces","body":"Table 3 to Subpart RRRRR of Part 63—Hydrogen Chloride and Hydrogen Fluoride Emission Limits for Indurating Furnaces\n[As required in § 63.9590(a), you must comply with each applicable hydrogen chloride and hydrogen fluoride emission limit in the following table:]\nFor . . . You must meet the following emission limits . . .\n1. Indurating furnaces constructed or reconstructed before May 15, 2023 Hydrogen chloride emissions must not exceed 4.6 × 10−2 lb/Long Ton of taconite pellets produced.\nHydrogen fluoride emissions must not exceed 1.2 × 10−2 lb/Long Ton of taconite pellets produced.\n2. Indurating furnaces constructed or reconstructed on or after May 15, 2023 Hydrogen chloride emissions must not exceed 4.4 × 10−4 lb/Long Ton of taconite pellets produced\nHydrogen fluoride emissions must not exceed 3.3 × 10−4 lb/Long Ton of taconite pellets produced.","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 RRRRR—National Emission Standards for Hazardous Air Pollutants: Taconite Iron Ore Processing"],"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":"722f1c948332d59ce97ee7ccfa25ca821417b1966e875ee5fd794a6883a8874d","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-2-to-subpart-rrrrr-of-part-63","next":"us/40-cfr-table-4-to-subpart-rrrrr-of-part-63"},"notice":"GroundRules: Original legal text. Not legal advice."}