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Code of Federal Regulations (Last Updated: November 8, 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 D - Primary Copper Smelting Subcategory |
| § 421.40 - Applicability: Description of the primary copper smelting subcategory. |
| § 421.41 - Specialized definitions. |
| § 421.42 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. |
| § 421.43 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. |
| § 421.44 - Standards of performance for new sources. |
| § 421.45 - [Reserved] |
| § 421.46 - Pretreatment standards for new sources. |
| § 421.47 - [Reserved] |