1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter N - EFFLUENT GUIDELINES AND STANDARDS
  5. Part 421 - NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY
  6. Subpart J - Primary Tungsten Subcategory
  7. 40 CFR § 421.100
40 CFR § 421.100
Applicability: Description of the primary tungsten subcategory
June 9, 2020
CFR

The provisions of this subpart are applicable to discharges resulting from the production of tungsten at primary tungsten facilities.

[49 FR 8812, Mar. 8, 1984]

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§ 421.101 Specialized definitions

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