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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter N - Effluent Guidelines and Standards |
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Part 421 - Nonferrous Metals Manufacturing Point Source Category |
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Subpart Q - Secondary Indium Subcategory |
§ 421.190 - Applicability: Description of the secondary indium subcategory.
Latest version.
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§ 421.190 Applicability: Description of the secondary indium subcategory.
The provisions of this subpart are applicable to discharges resulting from the production of indium at secondary indium facilities processing spent electrolyte solutions and scrap indium metal raw materials.