StacksVerified U.S. regulatory reference

40 CFR §421.226

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Except as provided in 40 CFR 403.7, any new source 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 secondary molybdenum and vanadium process wastewater introduced into a POTW shall not exceed the following values:
  1. (a)Leach tailings.
  2. (b)Molybdenum filtrate solvent extraction raffinate.
  3. (c)Vanadium decomposition wet air pollution control.
  4. (d)Molybdenum drying wet air pollution control.
  5. (e)Pure Grade Molybdenum.