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CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (Parts 400–471) > PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY > SUBPART S—Primary Molybdenum and Rhenium Subcategory (§421.210 to §421.217) > 421.210—Applicability: Description of the primary molybdenum and rhenium subcategory.
421.210—Applicability: Description of the primary molybdenum and rhenium subcategory.
The provisions of this subpart are applicable to discharges resulting from the production of molybdenum and rhenium facilities.