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Code of Federal Regulations
C.F.R. Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY
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Subpart Y—Primary Rare Earth Metals Subcategory
§421.270 Applicability: Description of the primary rare earth metals subcategory.
§421.271 Specialized definitions.
§421.272-421.273 [Reserved]
§421.274 Standards of performance for new sources.
§421.275 Pretreatment standards for existing sources.
§421.276 Pretreatment standards for new sources.
§421.277 [Reserved]
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