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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Oct 01, 2023
All Titles
Title 40
Chapter I
Part 421
Subpart H - Subpart H—Primary Zinc Subcategory
§ 421.80 - Applicability: Description of the primary zinc subcategory.
§ 421.81 - Specialized definitions.
§ 421.82 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 421.83 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 421.84 - Standards of performance for new sources.
§ 421.85 - Pretreatment standards for existing sources.
§ 421.86 - Pretreatment standards for new sources.
§ 421.87 - [Reserved]
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