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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 L - Secondary Silver Subcategory |
| § 421.120 - Applicability: Description of the secondary silver subcategory. |
| § 421.121 - Specialized definitions. |
| § 421.122 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. |
| § 421.123 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. |
| § 421.124 - Standards of performance for new sources. |
| § 421.125 - Pretreatment standards for existing sources. |
| § 421.126 - Pretreatment standards for new sources. |
| § 421.127 - [Reserved] |