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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 411
Subpart C - Subpart C—Materials Storage Piles Runoff Subcategory
§ 411.30 - Applicability; description of the materials storage piles runoff subcategory.
§ 411.31 - Specialized definitions.
§ 411.32 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 411.33 - [Reserved]
§ 411.34 - Pretreatment standards for existing sources.
§ 411.35 - Standards of performance for new sources.
§ 411.36 - Pretreatment standards for new sources.
§ 411.37 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
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