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Title 40: Protection of Environment
CHAPTER I: ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
SUBCHAPTER N: EFFLUENT GUIDELINES AND STANDARDS
PART 421: NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY
Subpart J: Primary Tungsten Subcategory
421.100 - Applicability: Description of the primary tungsten subcategory.
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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