40 CFR Part 63, Table 1
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
As required in § 63.9590(a), you must comply with each applicable particulate matter emission limit in the following table:
| If your affected source is . . . | and the affected source is categorized as . . . | then you must comply with the flow-weighted mean concentration of particulate matter discharged to the atmosphere from the affected source, as determined using the procedures in § 63.9621(b), such that you must not exceed . . . |
|---|---|---|
| 1. Ore crushing and handling emission units | Existing | 0.008 grains per dry standard cubic foot (gr/dscf). |
| New | 0.005 gr/dscf. | |
| 2. Straight grate indurating furnace processing magnetite | ExistingNew | 0.01 gr/dscf.0.006 gr/dscf. |
| 3. Grate kiln indurating furnace processing magnetite | ExistingNew | 0.01 gr/dscf.0.006 gr/dscf. |
| 4. Grate kiln indurating furnace processing hematite | ExistingNew | 0.03 gr/dscf.0.018 gr/dscf. |
| 5. Finished pellet handling emission units | ExistingNew | 0.008 gr/dscf.0.005 gr/dscf. |
| 6. Ore dryer | ExistingNew | 0.052 gr/dscf.0.025 gr/dscf. |
[68 FR 61888, Oct. 30, 2003, as amended at 89 FR 16438, Mar. 6, 2024]