StacksVerified U.S. regulatory reference

40 CFR §471.15

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Except as provided in 40 CFR 403.7, any new sources subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in lead-tin-bismuth forming process wastewater introduced into a POTW shall not exceed the following values:
  1. (a)Rolling spent emulsions.
  2. (b)Rolling spent soap solutions.
  3. (c)Drawing spent neat oils—subpart A—PSNS. There shall be no discharge of process wastewater pollutants.
  4. (d)Drawing spent emulsions.
  5. (e)Drawing spent soap solutions.
  6. (f)Extrusion press and solution heat treatment contact cooling water.
  7. (g)Extrusion press hydraulic fluid leakage.
  8. (h)Continuous strip casting contact cooling water.
  9. (i)Semi-continuous ingot casting contact cooling water.
  10. (j)Shot casting contact cooling water.
  11. (k)Shot-forming wet air pollution control scrubber blowdown.
  12. (l)Alkaline cleaning spent baths.
  13. (m)Alkaline cleaning rinse.
  14. (n)Swaging spent emulsions.
  15. (o)Degreasing spent solvents—subpart A—PSNS. There shall be no discharge of process wastewater pollutants.