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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 417
Subpart J - Subpart J—Air—SO3 Sulfation and Sulfonation Subcategory
§ 417.100 - Applicability; description of the air—SO3 sulfation and sulfonation subcategory.
§ 417.101 - Specialized definitions.
§ 417.102 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 417.103 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 417.104 - Pretreatment standards for existing sources.
§ 417.105 - Standards of performance for new sources.
§ 417.106 - Pretreatment standards for new sources.
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