{"data":{"id":"us/40-cfr-table-2-to-subpart-oooo-of-part-60","jurisdiction":"us","citation":"40 CFR Table 2 to Subpart OOOO of Part 60","heading":"Table 2 to Subpart OOOO of Part 60—Required Minimum SO2 Emission Reduction Efficiency (Zc)","body":"H2 S content of acid gas (Y), % Sulfur feed rate (X), LT/D\n2.0 ≤ X ≤ 5.0 5.0 \u003c X ≤ 15.0 15.0 \u003c X ≤ 300.0 X \u003e 300.0\nY ≥ 50 74.0 85.35X0.0144 Y0.0128 or 99.9, whichever is smaller.\n20 ≤ Y \u003c 50 74.0 85.35X0.0144 Y0.0128 or 97.5, whichever is smaller 97.5\n10 ≤ Y \u003c 20 74.0 85.35X0.0144 Y0.0128 or 90.8, whichever is smaller 90.8 90.8\nY \u003c 10 74.0 74.0 74.0 74.0\nX = The sulfur feed rate from the sweetening unit (i.e., the H2 S in the acid gas), expressed as sulfur, Mg/D(LT/D), rounded to one decimal place.\nY = The sulfur content of the acid gas from the sweetening unit, expressed as mole percent H2 S (dry basis) rounded to one decimal place.\nZ = The minimum required sulfur dioxide (SO2) emission reduction efficiency, expressed as percent carried to one decimal place. Zi refers to the reduction efficiency required at the initial performance test. Zc refers to the reduction efficiency required on a continuous basis after compliance with Zi has been demonstrated.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 60—STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES","Subpart OOOO—Standards of Performance for Crude Oil and Natural Gas Facilities for Which Construction, Modification, or Reconstruction Commenced After August 23, 2011, and on or Before September 18, 2015"],"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":"c13ddc9eb9f470fdde3bbaae92531b07dbb078b412fd255b6353945ff407f716","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-1-to-subpart-oooo-of-part-60","next":"us/40-cfr-table-3-to-subpart-oooo-of-part-60"},"notice":"GroundRules: Original legal text. Not legal advice."}