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Electronic Code of Federal Regulations

e-CFR data is current as of December 5, 2019

Title 40Chapter ISubchapter CPart 63Subpart RRRRR → Appendix


Title 40: Protection of Environment
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)
Subpart RRRRR—National Emission Standards for Hazardous Air Pollutants: Taconite Iron Ore Processing


Table 1 to Subpart RRRRR of Part 63—Emission Limits

As required in §63.9590(a), you must comply with each applicable 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 unitsExisting0.008 grains per dry standard cubic foot (gr/dscf).
   New0.005 gr/dscf.
2. Straight grate indurating furnace processing magnetiteExisting
New
0.01 gr/dscf.
0.006 gr/dscf.
3. Grate kiln indurating furnace processing magnetiteExisting
New
0.01 gr/dscf.
0.006 gr/dscf.
4. Grate kiln indurating furnace processing hematiteExisting
New
0.03 gr/dscf.
0.018 gr/dscf.
5. Finished pellet handling emission unitsExisting
New
0.008 gr/dscf.
0.005 gr/dscf.
6. Ore dryerExisting
New
0.052 gr/dscf.
0.025 gr/dscf.

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