Subpart K. Subpart K—SO3 Solvent and Vacuum Sulfonation Subcategory

• § 417.110 - Applicability; description of the SO3 solvent and vacuum sulfonation subcategory.
• § 417.111 - Specialized definitions.
• § 417.112 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
• § 417.113 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
• § 417.114 - Pretreatment standards for existing sources.
• § 417.115 - Standards of performance for new sources.
• § 417.116 - Pretreatment standards for new sources.