StacksVerified U.S. regulatory reference

40 CFR §421.24

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Any new source subject to this subpart shall achieve the following new source performance standards:
  1. (a)Subpart B—Anode and Cathode Paste Plant Wet Air.
  2. (b)Subpart B—Anode Contact Cooling and Briquette Quenching.
  3. (c)Subpart B—Anode Bake Plant Wet Air Pollution Control.
  4. (d)Subpart B—Cathode Reprocessing (Operated With Dry Potline Scrubbing and Not Commingled With Other Process or Nonprocess Waters).
  5. (e)Subpart B—Cathode Reprocessing (Operated With Dry Potline Scrubbing and Commingled With Other Process or Nonprocess Waters).
  6. (f)Subpart B—Potline Wet Air Pollution Control.
  7. (g)Subpart B—Potroom Wet Air Pollution Control.
  8. (h)Subpart B—Potline SO2 Emissions Wet Air Pollution Control.
  9. (i)Subpart B—Degassing Wet Air Pollution Control.
  10. (j)Subpart B—Pot Repair and Pot Soaking.
  11. (k)Subpart B—Direct Chill Casting Contact Cooling.
  12. (l)Subpart B—Continuous Rod Casting Contact Cooling.
  13. (m)Subpart B—Stationary Casting or Shot Casting Contact Cooling.