Subpart I. Subpart I—Oleum Sulfonation and Sulfation Subcategory

• § 417.90 - Applicability; description of the oleum sulfonation and sulfation subcategory.
• § 417.91 - Specialized definitions.
• § 417.92 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
• § 417.93 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
• § 417.94 - Pretreatment standards for existing sources.
• § 417.95 - Standards of performance for new sources.
• § 417.96 - Pretreatment standards for new sources.