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Table 3 to Subpart RRRRR of Part 63—Hydrogen Chloride and Hydrogen Fluoride Emission Limits for Indurating Furnaces

Hydrogen Chloride and Hydrogen Fluoride Emission Limits for Indurating Furnaces

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  3. Title 40
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  5. Chapter I
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  7. Part 63
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  9. Subpart RRRRR
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  11. Subject Group Other Requirements and Information
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  13. Appendix Table 3 to Subpart RRRRR of Part 63
CorpusDaily eCFR
Displayed edition2026-04-27
Last updated2026-04-27

Table 3 to Subpart RRRRR of Part 63—Hydrogen Chloride and Hydrogen Fluoride Emission Limits for Indurating Furnaces

Table 3 to Subpart RRRRR of Part 63—Hydrogen Chloride and Hydrogen Fluoride Emission Limits for Indurating Furnaces

[As required in § 63.9590(a), you must comply with each applicable hydrogen chloride and hydrogen fluoride emission limit in the following table:]

For . . .You must meet the following emission limits . . .
1. Indurating furnaces constructed or reconstructed before May 15, 2023Hydrogen chloride emissions must not exceed 4.6 × 10−2 lb/Long Ton of taconite pellets produced.
Hydrogen fluoride emissions must not exceed 1.2 × 10−2 lb/Long Ton of taconite pellets produced.
2. Indurating furnaces constructed or reconstructed on or after May 15, 2023Hydrogen chloride emissions must not exceed 4.4 × 10−4 lb/Long Ton of taconite pellets produced
Hydrogen fluoride emissions must not exceed 3.3 × 10−4 lb/Long Ton of taconite pellets produced.

[89 FR 16438, Mar. 6, 2024]