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Table 4 to Subpart OOOO<span class="standard">b</span> of Part 60—Required Minimum SO<sub>2</sub> Emission Reduction Efficiency (Z<sub>c</sub>)

Required Minimum SO<sub>2</sub> Emission Reduction Efficiency (Z<sub>c</sub>)

  1. CFR
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  3. Title 40
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  5. Chapter I
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  7. Part 60
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  9. Subpart OOOOb
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  11. Appendix Table 4 to Subpart OOOOb of Part 60
CorpusDaily eCFR
Displayed edition2026-04-15
Last updated2026-04-15

Table 4 to Subpart OOOOb of Part 60—Required Minimum SO2 Emission Reduction Efficiency (Zc)

H2 S content of acid gas (Y),

%		Sulfur feed rate (X), LT/D
2.0 ≤ X ≤ 5.05.0 < X ≤ 15.015.0 < X ≤ 300.0X > 300.0
Y ≥ 5074.085.35X0.0144 Y0.0128 or 99.9, whichever is smaller.
20 ≤ Y < 5074.085.35X0.0144 Y0.0128 or 97.5, whichever is smaller97.5
10 ≤ Y < 2074.085.35X0.0144 Y0.0128 or 90.8, whichever is smaller90.890.8
Y < 1074.074.074.074.0

[89 FR 62917, Aug. 1, 2024]