40 C.F.R. Table 4 to Subpart OOOOb of Part 60
Table 4 to Subpart OOOO b of Part 60—Required Minimum SO 2 Emission Reduction Efficiency (Z c )
Cite as 40 C.F.R. Table 4 to Subpart OOOOb of Part 60 (2026)
H 2 S content of acid gas (Y), % Sulfur feed rate (X), LT/D 2.0 ≤ X ≤ 5.0 5.0 < X ≤ 15.0 15.0 < X ≤ 300.0 X > 300.0 Y ≥ 50 74.0 85.35X 0.0144 Y 0.0128 or 99.9, whichever is smaller. 20 ≤ Y < 50 74.0 85.35X 0.0144 Y 0.0128 or 97.5, whichever is smaller 97.5 10 ≤ Y < 20 74.0 85.35X 0.0144 Y 0.0128 or 90.8, whichever is smaller 90.8 90.8 Y < 10 74.0 74.0 74.0 74.0 [89 FR 62917, Aug. 1, 2024]