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  1. Regulations
    All Titles
  2. title 40
    Protection of Environment
  3. chapter I-i30
    CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
  4. part 421
    PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY
  5. subpart AE
    Subpart AE—Primary Zirconium and Hafnium Subcategory

Subpart AE. Subpart AE—Primary Zirconium and Hafnium Subcategory

  • § 421.330 - Applicability: Description of the primary zirconium and hafnium subcategory.
  • § 421.331 - Specialized definitions.
  • § 421.332 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
  • § 421.333 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
  • § 421.334 - Standards of performance for new sources.
  • § 421.335 - [Reserved]
  • § 421.336 - Pretreatment standards for new sources.
  • § 421.337 - [Reserved]
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