40 CFR Part 63, Table 2
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| For . . . | You must meet the following emission limits . . . |
|---|---|
| 1. Indurating furnaces constructed or reconstructed before May 15, 2023 | Either: (1) Mercury emissions from each furnace must not exceed 1.4 × 10−5 lb/LT of taconite pellets produced, or (2) Production-weighted average mercury emissions for a group of indurating furnaces, calculated according to Equation 6 in § 63.9634(m)(3), must not exceed 1.3 × 10−5 lb/LT. |
| 2. Indurating furnaces constructed or reconstructed on or after May 15, 2023 | Mercury emissions from each furnace must not exceed 2.6 × 10−6 lb/LT. |
[89 FR 16438, Mar. 6, 2024]