40 CFR Appendix Table 2 to Subpart OOOOa of Part 60 - Required Minimum SO2 Emission Reduction Efficiency (Zc)

CFR

Table 2 to Subpart OOOOa of Part 60—Required Minimum SO2 Emission Reduction Efficiency (Zc)

H2S content of acid gas (Y), (%)	Sulfur feed rate (X), LT/D
H2S content of acid gas (Y), (%)	2.0 ≤ X ≤ 5.0	5.0 < X ≤ 15.0	15.0 < X ≤ 300.0	X > 300.0
Y ≥ 50	74.0	85.35X ^0.0144Y ^0.0128 or 99.9, whichever is smaller.
20 ≤ Y < 50	74.0	85.35X ^0.0144Y ^0.0128 or 97.5, whichever is smaller		97.5
10 ≤ Y < 20	74.0	85.35X ^0.0144Y ^0.0128 or 90.8, whichever is smaller	90.8	90.8
Y < 10	74.0	74.0	74.0	74.0

[89 FR 62888, Aug. 1, 2024]