- 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]